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Abnormal SHBG levels can lead to hormonal imbalances, metabolic dysfunction, and decreased sexual function. Low SHBG may also be a sign of thyroid conditions, diabetes, polycystic ovary syndrome (PCOS), or cancer, while high levels can signal problems with the liver, thyroid, pituitary gland, or testicles.\u003cbr\u003e\u003cbr\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678437986,"sku":"QST-10","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Sex-Hormone-Binding-Globulin-_SHBG_80b15ce8-8746-4d44-b97e-31b3b3784212.webp?v=1781571357"},{"product_id":"apolipoprotein-a-1-apoa1","title":"Apolipoprotein A-1 (ApoA1)","description":"\u003cp\u003e\u003cstrong\u003eApolipoprotein A-1 (ApoA1) \u003c\/strong\u003eis a protein that is part of high-density lipoprotein (HDL), also known as 'good' cholesterol. It helps remove extra cholesterol from tissues and carries it to the liver to be recycled or removed from the body. Low levels of ApoA1 may signal a higher risk of developing heart disease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApolipoprotein A-1 (ApoA1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678470754,"sku":"QST-82","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Apolipoprotein-A-1-_ApoA1_f029f5d0-ec3b-4bac-83b3-50ae1c7237b3.webp?v=1781571357"},{"product_id":"prostate-specific-antigen-psa-total-free-free","title":"Prostate Specific Antigen (PSA), Total + Free + % Free","description":"\u003cp\u003e\u003cb\u003eProstate-Specific Antigen (PSA)\u003c\/b\u003e is a protein produced by the prostate. Elevations of PSA are a marker of prostate cancer or another prostate problem such as prostatitis or benign prostatic hyperplasia (BPH). High PSA levels may indicate the need for re-testing, a prostate exam, or potentially a biopsy.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFree PSA\u003c\/b\u003e is a measure of unbound PSA that is available to the body’s tissues.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProstate Specific Antigen (PSA), Total\u003c\/li\u003e\n\u003cli\u003eProstate Specific Antigen (PSA), Free\u003c\/li\u003e\n\u003cli\u003eProstate Specific Antigen (PSA), Free %\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678503522,"sku":"QST-98","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/PSA_-Total-_-Free-_-pct-Free_3f08fea5-967c-4557-ae74-1b80735c80b0.webp?v=1781571363"},{"product_id":"apolipoprotein-b-apob","title":"Apolipoprotein B (ApoB)","description":"\u003cp\u003e\u003cb\u003eApolipoprotein B (ApoB)\u003c\/b\u003e is a protein found in different types of 'bad' cholesterol, including low-density lipoprotein (LDL), lipoprotein(a), and very low-density lipoprotein (VLDL). ApoB can transfer extra cholesterol into the body’s tissues. High levels of ApoB in the blood are linked to a higher risk of developing heart disease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApolipoprotein B (ApoB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678536290,"sku":"QST-25","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Apolipoprotein-B-_ApoB_75b19d1d-5234-4b4e-879c-95f81be08891.webp?v=1781571368"},{"product_id":"adma-sdma-lc-ms","title":"ADMA \u0026 SDMA [LC\/MS]","description":"\u003cp\u003e\u003cb\u003eAsymmetric dimethylarginine (ADMA)\u003c\/b\u003e is a naturally occurring by-product of protein methylation. ADMA reduces your body's ability to produce nitric oxide, a molecure that helps maintain a healthy endothelium. Hence, elevations in ADMA may increase risk of cardiovsacular disease, erectile dysfunction and kidney disease. Moreover, elevations in ADMA are significantly associated with atherosclerosis. ADMA levels become elevated in the presence of high LDL cholesterol and homocysteine. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eSymmetric dimethylarginine (SDMA)\u003c\/b\u003e is an isomer of ADMA (Asymmetric dimethylarginine) and a valuable marker of kidney function. 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Without enough iron, the body can’t make hemoglobin, leading to anemia. However, excessive levels of iron can become toxic to cells and damage organs.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eIron Saturation:\u003c\/b\u003e Within the bloodstream, iron is attached to transferrin, a protein that helps carry iron to organs and tissues. This test measures the amount of iron bound to transferrin. It can indicate whether iron stores in the body are sufficient and whether adequate iron is being transported around the body.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTIBC:\u003c\/b\u003e Total iron-binding capacity (TIBC) measures the amount of transferrin available to bind with iron. An abnormal TIBC may point to health conditions like anemia, inflammation, nutrition deficiencies, or liver disease. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eUIBC:\u003c\/b\u003e Unsaturated iron-binding capacity (UIBC) measures how much transferrin remains unattached to iron. Iron-related tests can help identify anemia, which causes tiredness, headaches, and dizziness, or iron overload, leading to joint pain, low energy levels, and abdominal pain. \u003cbr\u003e\u003cbr\u003e\u003ci\u003eFor a more comprehensive look at your iron status we recommended also testing Ferritin, available here: https:\/\/marekhealth.com\/product\/ferritin\/ \u003c\/i\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678634594,"sku":"QST-40","price":9.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Iron-Panel-_Iron_-Transferrin-Saturation_-TIBC_-UIBC.webp?v=1781571378"},{"product_id":"heavy-metal-testing-1","title":"Heavy Metal Testing","description":"\u003cp\u003e\u003cstrong\u003eHeavy metals\u003c\/strong\u003e like lead, arsenic, mercury, and cadmium are common environmental toxins found in food, water, and industrial waste. 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It also plays an important role in body composition and bone strength. IGF-1, produced by HGH in the liver, stimulates muscle growth, the production of new proteins, and the breakdown of fat molecules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInsulin-like Growth Factor 1 (IGF-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678700130,"sku":"QST-23","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Insulin-like-Growth-Factor-1-_IGF-1_2fadd93f-69f4-4685-a218-60230be38f55.webp?v=1781571382"},{"product_id":"vitamin-b1-thiamine-blood","title":"Vitamin B1 (Thiamine), Blood","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eVitamin B1 (Thiamine), Blood\u003c\/b\u003e\u003c\/span\u003e measures the level of thiamine in your blood. Thiamine is an essential B vitamin used to convert food into energy and support \u003cspan class=\"s1\"\u003enervous system and heart function\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eLow thiamine can contribute to \u003c\/span\u003efatigue, weakness, nerve symptoms (tingling\/numbness), and memory or balance issues\u003cspan class=\"s1\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B1 (Thiamine), Blood\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678798434,"sku":"QST-79","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Vitamin-B1-_Thiamine_aa790b63-9e62-4def-9757-57b177321bbc.webp?v=1781571387"},{"product_id":"zinc-rbc","title":"Zinc, RBC","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eZinc, RBC (Red Blood Cell Zinc)\u003c\/b\u003e\u003c\/span\u003e checks the amount of zinc inside your red blood cells. Because zinc is stored in cells, this can give a better picture of your \u003cspan class=\"s1\"\u003e\u003cb\u003elonger-term zinc status\u003c\/b\u003e\u003c\/span\u003e than a standard blood (serum) zinc test.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eZinc supports\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eimmune function, wound healing, skin health, taste\/smell, and hormone\/reproductive health.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678831202,"sku":"QST-96","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Zinc_-RBC_9c9c79ea-0883-49cc-84b5-25e778d6d649.webp?v=1781571392"},{"product_id":"high-sensitive-troponin-t-hstnt","title":"High Sensitive Troponin T (hsTnT)","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eHigh-Sensitivity \u003c\/strong\u003e\u003cb\u003eTroponin T (hsTnT)\u003c\/b\u003e\u003cspan class=\"s1\"\u003e measures very small amounts of \u003c\/span\u003etroponin T\u003cspan class=\"s1\"\u003e, a protein released into the blood when \u003c\/span\u003eheart muscle cells are injured\u003cspan class=\"s1\"\u003e. I\u003c\/span\u003et's one of the most sensitive blood tests for detecting \u003cspan class=\"s1\"\u003eheart muscle damage\u003c\/span\u003e, including from a \u003cspan class=\"s1\"\u003eheart attack\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Sensitivity Troponin T (hsTNT)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678896738,"sku":"QST-81","price":108.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/High-Sensitivity-Troponin-T-_hsTnT_5c1c293c-0d94-4caa-84f6-4dce9e0ead59.webp?v=1781571398"},{"product_id":"hcg-beta-subunit-qual","title":"hCG Beta subunit, Qual","description":"\u003cp\u003eThis test is designed for early detection of pregnancy. hCG is produced in the placenta during pregnancy. In nonpregnant women, it can also be produced by tumors of the trophoblast, germ cell tumors with trophoblastic components, and some nontrophoblastic tumors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ehCG Beta subunit, Qual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678929506,"sku":"QST-55","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/hCG-Beta-Subunit_-Qualitative_bc7fc817-642c-433b-a380-b22226d39064.webp?v=1781571406"},{"product_id":"luteinizing-hormone-lh-follicle-stimulating-hormone-fsh","title":"Luteinizing Hormone (LH) \u0026 Follicle-Stimulating Hormone (FSH)","description":"\u003cp\u003e\u003cb\u003eLuteinizing Hormone (LH)\u003c\/b\u003e is a pituitary gonadotropin that stimulates the gonads to produce sex hormones. LH also plays important roles in fertility.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFollicle-Stimulating Hormone (FSH)\u003c\/b\u003e is a pituitary gonadotropin that stimulates the gonads and plays important roles in fertility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLuteinizing Hormone (LH)\u003c\/li\u003e\n\u003cli\u003eFollicle-stimulating hormone (FSH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678962274,"sku":"QST-39","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/LH-and-FSH_c110351a-5949-438b-8a5d-e4cddd1c50e2.webp?v=1781571406"},{"product_id":"methylmalonic-acid-mma-serum","title":"Methylmalonic Acid (MMA), Serum","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eMethylmalonic acid (MMA)\u003c\/strong\u003e is metabolite that can build up when the body does not have enough active vitamin B12 to process certain fats and proteins. Elevated MMA points toward a functional B12 deficiency, even when a standard B12 level looks borderline or does not match associated symptoms. It is often tested alongside vitamin B12 and homocysteine to comprehensively assess B12 status.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030678995042,"sku":"QST-103","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Methylmalonic-Acid-_MMA_-Serum_1d488717-de77-476e-9a0b-3c85d5c8a3e0.webp?v=1781571409"},{"product_id":"total-testosterone-lc-ms-free-testosterone-equilibrium-dialysis","title":"Total Testosterone [LC\/MS] \u0026 Free Testosterone [Equilibrium Dialysis]","description":"\u003cp\u003e\u003cb\u003eTestosterone\u003c\/b\u003e is the primary sex hormone in men and plays important roles in women. Low testosterone levels may play a role in erectile dysfunction, decreased sex drive, muscle loss, weak bones, hair loss, fatigue, depression, memory problems, heart disease, and even earlier death.Optimal testosterone levels may lead to increased muscle mass and strength, higher endurance, enhanced libido, improved mood, lower cholesterol levels, increased bone mineral density, improved cognition and memory, better sleep, and a healthier metabolism.\u003cb\u003eTotal Testosterone\u003c\/b\u003e test is a measure of the total amount of testosterone hormone in the blood.\u003cb\u003eFree Testosterone\u003c\/b\u003e is a measure of unbound testosterone that is available to the body’s tissues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Testosterone (LC\/MS)\u003c\/li\u003e\n\u003cli\u003eFree Testosterone (Equilibrium Dialysis)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679027810,"sku":"QST-65","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Total-Testosterone-_LCMS_-and-Free-Testosterone-_Equilibrium-Dialysis_865ac6b5-51d6-474a-81c8-fff3a1cd6c49.webp?v=1781571413"},{"product_id":"acth-plasma","title":"ACTH, Plasma","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eACTH (Adrenocorticotropic Hormone), Plasma\u003c\/b\u003e\u003c\/span\u003e measures the level of ACTH in your blood. ACTH is a hormone made by the pituitary gland that tells your adrenal glands to produce \u003cspan class=\"s1\"\u003e\u003cb\u003ecortisol\u003c\/b\u003e\u003c\/span\u003e (your main \"stress hormone\").\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis test helps evaluate how well the \u003cspan class=\"s1\"\u003epituitary–adrenal (HPA) axis\u003c\/span\u003e is working. \u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679060578,"sku":"QST-95","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/ACTH_-Plasma_d36f350c-fb6b-4c44-9c9e-6a056c4317e3.webp?v=1781571415"},{"product_id":"fructosamine","title":"Fructosamine","description":"\u003cp\u003e\u003cb\u003eFructosamine\u003c\/b\u003e is a measurement of glycated (sugar bound) serum proteins, namely Albumin. Fructosamine is analogous to HbA1c except that it integrates glycemic changes over a much shorter time span of 2-3 weeks. Fructosamine may be useful in patients who have conditions that interfere with HbA1c measurement due to hemoglobin variants or recent blood loss\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679158882,"sku":"QST-101","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Fructosamine_83840eb1-9012-49b1-aa0d-aa2c0fe1fc89.webp?v=1781571420"},{"product_id":"dehydroepiandrosterone-sulfate-dhea-s","title":"Dehydroepiandrosterone Sulfate (DHEA-S)","description":"\u003cp\u003e\u003cb\u003eDHEA\u003c\/b\u003e is the master sex hormone necessary for a healthy libido, energy levels, and immune function. It’s the body’s natural counterbalance to stress hormones like cortisol. Sufficient levels of DHEA-S are associated with improved cardiovascular health, reduced belly fat, a healthy metabolism, improved mood, enhanced memory, and better sleep.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDehydroepiandrosterone Sulfate (DHEA-S)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679191650,"sku":"QST-13","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/DHEA-S-_Dehydroepiandrosterone-Sulfate_58709e13-82a7-42f5-bc19-dabf5bfef19b.webp?v=1781571420"},{"product_id":"homocysteine","title":"Homocysteine","description":"\u003cp\u003e\u003cb\u003eHomocysteine\u003c\/b\u003e is an amino acid and byproduct of methionine metabolism. High levels of homocysteine may indicate a vitamin deficiency or MTHFR gene mutation. Over time, excessive levels of homocysteine can damage the blood vessels and lead to a higher risk of heart attack or stroke.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHomocyst(e)ine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679224418,"sku":"QST-28","price":20.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Homocysteine_1d65cc91-27d1-4e8b-849a-9e73b65d41e8.webp?v=1781571425"},{"product_id":"lipoproteina-lpa","title":"Lipoprotein(a) (Lp(a))","description":"\u003cp\u003e\u003cb\u003eLipoprotein(a)\u003c\/b\u003e is a form of low-density lipoprotein (LDL) or 'bad' cholesterol. This protein is smaller and denser than other types of LDL, allowing it to lodge into blood vessel walls more easily. High lipoprotein(a) levels can indicate an elevated risk of developing a heart attack, stroke, or heart disease. Levels of Lp(a) are largely genetically determined.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLipoprotein(a) (Lp(a))\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679257186,"sku":"QST-31","price":32.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Lipoprotein_a_-_Lp_a_9ad655ed-abb3-4f6c-9681-d80378f85c15.webp?v=1781571430"},{"product_id":"cystatin-c-with-egfr","title":"Cystatin C with eGFR","description":"\u003cp\u003eMost cells in the body naturally make a protein called cystatin C, which is then removed from the blood by the kidneys. High concentrations of cystatin C are often a signal of kidney dysfunction. Cystatin C levels can be used to calculate the estimated glomerular filtration rate (eGFR), which describes how well the kidneys are able to filter waste.\u003cbr\u003e\u003cb\u003eCystatin C\u003c\/b\u003e is a more accurate marker of kidney function than Creatinine as it is less influenced by diet, supplements and exercise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCystatin C with eGFR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: Fasting is recommended for 12 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679289954,"sku":"QST-50","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Cystatin-C-with-eGFR_c911cc25-0cc1-4cbd-a9a0-f8949d786896.webp?v=1781571437"},{"product_id":"urinalysis-routine","title":"Urinalysis, Routine","description":"\u003cp\u003eThe kidneys, which produce urine, are important for filtering out toxins and waste, maintaining proper hormone levels, and balancing levels of fluids and minerals in the body. Testing the urine through urinalysis can detect kidney problems, identify other health conditions such as diabetes, UTI, and provide information about overall health.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUrinalysis, Routine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTest includes: \u003cbr\u003eSpecific Gravity\u003cbr\u003epH\u003cbr\u003eUrine-Color\u003cbr\u003eAppearance\u003cbr\u003eWBC Esterase\u003cbr\u003eProtein\u003cbr\u003eGlucose\u003cbr\u003eKetones\u003cbr\u003eOccult Blood\u003cbr\u003eBilirubin\u003cbr\u003eUrobilinogen,Semi-Qn\u003cbr\u003eNitrite, Urine\u003cbr\u003ew\/ Reflex to Microscopic Examination\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679355490,"sku":"QST-41","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Urinalysis_-Routine_3523665c-9e96-47d2-8dff-20a4c3f73ed0.webp?v=1781571443"},{"product_id":"folate-rbc","title":"Folate, RBC","description":"\u003cp\u003e\u003cb\u003eFolate\u003c\/b\u003e, also called folic acid or vitamin B9, is important for regenerating new tissues, producing new DNA, creating and recycling proteins, and making new blood cells. Abnormal folate levels can be a sign of a poor diet or nutritional deficiencies and may provide clues about certain types of anemia.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFolate, RBC\u003c\/li\u003e\n\u003cli\u003eFolate, Hemolysate\u003c\/li\u003e\n\u003cli\u003eHematocrit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679322722,"sku":"QST-109","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Folate_-RBC_5e3cd134-d617-49d4-b285-b96be7b099a0.webp?v=1781571443"},{"product_id":"transferrin","title":"Transferrin","description":"\u003cp\u003e\u003cb\u003eTransferrin\u003c\/b\u003e is responsible for 50% to 70% of the iron binding capacity of serum. Since other proteins may bind iron, transferrin is not the same as TIBC. Transferrin is an iron transport protein receiving and binding iron for delivery to receptors at recipient cells. Transferrin levels rise with iron deficiency and fall in cases of iron overload.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679388258,"sku":"QST-92","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Transferrin_6d671029-4783-426b-ace1-ebb4546d0661.webp?v=1781571447"},{"product_id":"vitamin-b12","title":"Vitamin B12","description":"\u003cp\u003e\u003cb\u003eVitamin B12\u003c\/b\u003e is involved in many areas of health. Proper vitamin B12 levels help support metabolism, the formation of new blood cells, the function of the nervous system, and the creation of new DNA. Vitamin B12 testing may be a good idea for people who are experiencing possible symptoms of anemia (such as tiredness and nausea) or nervous system conditions (such as numbness or weakness).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B12\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679421026,"sku":"QST-67","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Vitamin-B12_ad09784e-d220-4575-933e-b2efae50af81.webp?v=1781571447"},{"product_id":"17-oh-progesterone-17-ohp-lc-ms","title":"17-OH Progesterone (17-OHP) [LC\/MS]","description":"\u003cp\u003eThe adrenal glands — small organs that sit on top of the kidneys — produce multiple hormones including 17-OH progesterone. Testing levels of this molecule can provide information about the health of the adrenal glands and identify hormone imbalances that may lead to acne or infertility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e17-OH Progesterone (LC\/MS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679519330,"sku":"QST-59","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/17-OH-Progesterone-_LCMS_11ba654e-2d5d-4841-b644-24d83cccc1b2.webp?v=1781571452"},{"product_id":"vitamin-c-lc-ms-ms","title":"Vitamin C [LC\/MS-MS]","description":"\u003cp class=\"p1\"\u003e\u003cspan\u003e\u003cstrong\u003eVitamin C (ascorbic acid) \u003c\/strong\u003eis a powerful antioxidant and essential nutrient that the body cannot produce on its own. It plays critical roles in immune function, collagen synthesis for skin and connective tissue repair, wound healing, and the protection of cells from oxidative damage. Vitamin C also enhances iron absorption from plant-based foods. Low vitamin C levels can lead to fatigue, weakened immunity, slow wound healing, joint pain, and in severe cases, scurvy. This test is particularly relevant for individuals with restrictive diets, smokers (who have increased vitamin C requirements), those with malabsorption conditions, or anyone investigating chronic fatigue or frequent infections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin C [LC\/MS-MS]\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679552098,"sku":"QST-76","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Vitamin-C_dd0f177a-f21b-4e6b-a9bb-f8d17ad54540.webp?v=1781571459"},{"product_id":"uric-acid","title":"Uric Acid","description":"\u003cp\u003e\u003cb\u003eUric acid\u003c\/b\u003e is a waste product that is normally filtered out by the kidneys. When high levels of this molecule remain in the bloodstream, uric acid crystals may be deposited throughout the body, leading to inflammation and damage to the surrounding tissue. Chronically elevated uric acid levels can lead to gout, kidney stones, kidney damage, arthritis, bone erosion, and increased cancer risk.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUric Acid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679650402,"sku":"QST-66","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Uric-Acid_18a991ed-7624-469d-8aad-ca9535ae05a4.webp?v=1781571469"},{"product_id":"selenium-blood-icp-ms","title":"Selenium, Blood (ICP\/MS)","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSelenium, Blood (ICP\/MS)\u003c\/b\u003e\u003c\/span\u003e measures the amount of selenium in your blood. Selenium is a trace mineral that supports \u003cspan class=\"s1\"\u003ethyroid hormone function\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eantioxidant defenses\u003c\/span\u003e, and \u003cspan class=\"s1\"\u003eimmune health\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eToo little selenium may reduce thyroid and immune function, while too much can be harmful.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelenium, Blood\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679683170,"sku":"QST-70","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Selenium_-Blood-_ICPMS_37207684-bce0-40b5-bc3f-661bdfe3c3b8.webp?v=1781571471"},{"product_id":"luteinizing-hormone-lh","title":"Luteinizing Hormone (LH)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003e\u003cstrong\u003eLuteinizing Hormone (LH)\u003c\/strong\u003e is a gonadotropin produced by the pituitary gland that signals the gonads to produce sex hormones. In men, LH stimulates the Leydig cells in the testes to produce testosterone — making it a critical marker for evaluating the HPG (hypothalamic-pituitary-gonadal) axis, particularly in the context of hypogonadism or TRT monitoring. In women, a surge of LH triggers ovulation each cycle. Abnormal LH levels can indicate pituitary dysfunction, primary gonadal failure, polycystic ovary syndrome (PCOS), or the onset of menopause. LH is frequently ordered alongside FSH and testosterone for a comprehensive hormonal assessment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLuteinizing Hormone (LH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679748706,"sku":"QST-63","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Luteinizing-Hormone-_LH_39d5a034-40f3-430c-b439-541df579bd16.webp?v=1781571476"},{"product_id":"magnesium","title":"Magnesium","description":"\u003cp\u003e\u003cb\u003eMagnesium\u003c\/b\u003e is a mineral and electrolyte essential for many important body processes, including controlling blood pressure, maintaining healthy blood sugar levels, and supporting healthy function of the nerves, muscles, bones, and heart. Abnormal magnesium levels may help explain symptoms like low energy levels, muscle cramps, heart palpitations, and breathing problems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMagnesium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679781474,"sku":"QST-61","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Magnesium_9f46863a-5bbf-4b4f-8edc-2f37eed2d7b6.webp?v=1781571482"},{"product_id":"hcg-beta-subunit-qnt-serum","title":"hCG Beta subunit, Qnt, Serum","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ehCG Beta Subunit, Quantitative (Serum)\u003c\/b\u003e\u003c\/span\u003e measures the exact amount of \u003cspan class=\"s1\"\u003ebeta hCG\u003c\/span\u003e in your blood. hCG is a hormone most commonly produced during \u003cspan class=\"s1\"\u003epregnancy\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eA quantitative result shows \u003cspan class=\"s1\"\u003ehow much\u003c\/span\u003e hCG is present, which can help assess very early pregnancy, \u003cmeta charset=\"UTF-8\"\u003ehelp assess \u003cspan class=\"s1\"\u003epregnancy progression\u003c\/span\u003e, or monitor hCG in specific medical situations as directed by your clinician.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ehCG Beta subunit, Qnt, Serum\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030679847010,"sku":"QST-71","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/hCG-Beta-Subunit_-Quantitative_36613157-208b-456b-9c6b-fd7cf6f03673.webp?v=1781571488"},{"product_id":"coenzyme-q10-coq10-lc-ms","title":"Coenzyme Q10 (CoQ10) [LC\/MS]","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCoenzyme Q10 (CoQ10)\u003c\/span\u003e\u003c\/strong\u003e is a naturally occurring antioxidant that plays a central role in cellular energy production within the mitochondria. Every cell in the body relies on CoQ10 to generate ATP — the molecule that fuels virtually all cellular processes. CoQ10 levels naturally decline with age and can be significantly depleted by statin medications. Low CoQ10 levels are associated with fatigue, muscle weakness, cardiovascular dysfunction, and impaired recovery. This test measures CoQ10 using LC\/MS (liquid chromatography-mass spectrometry) for high accuracy. It is particularly relevant for individuals on statin therapy, those optimizing mitochondrial health, or anyone experiencing unexplained fatigue or exercise intolerance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoenzyme Q10 (Ubiquinone) [LC\/MS]\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":43030680469602,"sku":"QST-133","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/files\/Coenzyme-Q10-_CoQ10_-_LCMS_6c0afad9-013a-41e9-922f-f120a7999dd8.webp?v=1781571490"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/2459\/8626\/collections\/tile-indman.png?v=1781664687","url":"https:\/\/orivendiagnostics.com\/collections\/individual-biomarkers.oembed","provider":"ORIVEN DIAGNOSTICS","version":"1.0","type":"link"}