{"title":"Vitamins \u0026 Nutrition","description":null,"products":[{"product_id":"ferritin","title":"Ferritin","description":"Ferritin reflects how much iron your body has in reserve. It drops before other iron markers change, making it the earliest and most sensitive test for iron deficiency, a common cause of fatigue, hair loss and low energy.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738011123880,"sku":"457","price":35.0,"currency_code":"USD","in_stock":true}]},{"product_id":"folate-serum","title":"Folate (Serum)","description":"Folate is a B vitamin your body needs to build DNA and produce healthy red blood cells. This serum test gives a quick read on your current folate level, useful when evaluating anemia, diet or pregnancy planning.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738011156648,"sku":"466","price":35.0,"currency_code":"USD","in_stock":true}]},{"product_id":"iron-tibc-panel","title":"Iron \u0026 TIBC Panel","description":"Iron carries oxygen through your blood, and too little leaves you tired, foggy, and short of breath. This panel measures the iron circulating in your blood, how much capacity your blood has to carry more, and the percentage that's actually saturated, a more complete picture than a single iron value.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738012827816,"sku":"7573","price":35.0,"currency_code":"USD","in_stock":true}]},{"product_id":"iron-total","title":"Iron, Total","description":"Iron is essential for carrying oxygen and producing energy. This test measures the amount of iron circulating in your blood at the time of your draw, a simple check when you want a quick look at your iron level.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738012893352,"sku":"571","price":31.0,"currency_code":"USD","in_stock":true}]},{"product_id":"magnesium","title":"Magnesium","description":"Magnesium takes part in hundreds of reactions in the body, from muscle and nerve function to energy production and a steady heartbeat. Low levels are common and can cause cramps, fatigue, and irregular rhythms. This test measures the magnesium in your blood.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738013122728,"sku":"622","price":34.0,"currency_code":"USD","in_stock":true}]},{"product_id":"rbc-folate","title":"RBC Folate","description":"Folate (vitamin B9) is essential for making DNA and healthy red blood cells. RBC folate reflects your levels over the past few months rather than what you ate recently, making it a more reliable measure of long-term folate status.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738013974696,"sku":"467","price":59.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-b12-folate","title":"Vitamin B12 \u0026 Folate","description":"Vitamin B12 and folate work as a pair to make DNA and healthy red blood cells and to keep your nervous system running. A shortage of either can cause fatigue and anemia, and checking both together is the standard way to sort out the cause.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738015023272,"sku":"7065","price":65.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-b12","title":"Vitamin B12","description":"Vitamin B12 keeps your nerves healthy, helps make DNA, and is needed to form red blood cells. Deficiency is common (especially with plant-based diets, older age, or certain medications) and can cause fatigue, tingling, and a specific type of anemia. This test measures your B12 level.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738015056040,"sku":"927","price":41.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-d-25-hydroxy","title":"Vitamin D, 25-Hydroxy","description":"Vitamin D helps your body absorb calcium for strong bones, supports your immune system, and plays a role in mood and energy. Because much of it comes from sunlight, deficiency is very common, especially in winter or with limited sun exposure. The 25-hydroxy test is the standard measure of your vitamin D status.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738015088808,"sku":"17306","price":65.0,"currency_code":"USD","in_stock":true}]},{"product_id":"zinc-rbc","title":"Zinc, RBC","description":"This test measures zinc inside your red blood cells rather than in the serum. Because red cells turn over slowly, RBC zinc reflects your zinc status over a longer window and is less affected by a recent meal or short-term fluctuation, a more stable view of your intracellular zinc.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738015187112,"sku":"6354","price":59.0,"currency_code":"USD","in_stock":true}]},{"product_id":"zinc","title":"Zinc","description":"Zinc is an essential mineral your body uses for immune defense, wound healing, taste and smell, and hundreds of enzyme reactions including thyroid hormone production. Deficiency can develop with certain diets, gut conditions, or increased needs. This test measures the zinc in your blood.","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":55738015318184,"sku":"945","price":49.0,"currency_code":"USD","in_stock":true}]},{"product_id":"iron-and-anemia-panel","title":"Iron \u0026 Anemia Panel","description":"\u003cp\u003eTired, pale, short of breath on stairs, or you donate blood and want to be sure you're keeping up. This is the iron workup: what's circulating (iron and TIBC), how saturated your transport protein is, and what's stored (ferritin). $65 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIron \u0026amp; TIBC Panel\u003c\/li\u003e\n\u003cli\u003eFerritin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eWomen with heavy periods, regular blood donors, vegetarians and vegans, endurance athletes, and anyone with a low hemoglobin who wants to know whether iron is the reason.\u003c\/p\u003e\n\u003ch3\u003eWhat it measures\u003c\/h3\u003e\n\u003cp\u003eIron, Total Iron-Binding Capacity (TIBC), percent saturation, and Ferritin.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow ferritin is iron deficiency even when the blood count is still normal; low iron with a high TIBC and low saturation confirms it. High ferritin can mean iron overload or inflammation and deserves follow-up. Supplementing without a number can hide the cause, so test first.\u003c\/p\u003e\n\u003cp\u003eFasting required: nothing but water for 8–12 hours before your draw. Morning visits are easiest.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67831501160616,"sku":"P-80","price":65.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-and-mineral-panel","title":"Vitamin \u0026 Mineral Panel","description":"\u003cp\u003eYou take a handful of supplements and have no idea whether you need any of them. This panel measures the five people most often run low on, or overdo: B12, folate, vitamin D, magnesium and zinc, so you can keep what's working and stop guessing at the rest. $199 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B12\u003c\/li\u003e\n\u003cli\u003eFolate (Serum)\u003c\/li\u003e\n\u003cli\u003eVitamin D, 25-Hydroxy\u003c\/li\u003e\n\u003cli\u003eMagnesium\u003c\/li\u003e\n\u003cli\u003eZinc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eAnyone on a restricted diet (vegan, keto, bariatric), anyone on acid reducers or metformin, anyone with cramps, fatigue or slow healing, and anyone who'd like their supplement stack based on numbers.\u003c\/p\u003e\n\u003ch3\u003eWhat it measures\u003c\/h3\u003e\n\u003cp\u003eVitamin B12, Folate, Vitamin D 25-hydroxy, Magnesium (serum), and Zinc (serum).\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eVitamin D under 30 ng\/mL and B12 under about 300 pg\/mL are common and symptomatic; both are easy to correct and worth rechecking in three months. Serum magnesium and zinc are less sensitive than tissue levels, so a low value is meaningful and a normal one doesn't fully rule out a shortfall. Review with a clinician before high-dose supplementing.\u003c\/p\u003e\n\u003cp\u003eNo fasting needed.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67831501389992,"sku":"P-82","price":199.0,"currency_code":"USD","in_stock":true}]},{"product_id":"omegacheck-omega-3-index","title":"OmegaCheck (Omega-3 Index)","description":"\u003cp\u003eYou take fish oil and have no idea whether it's doing anything. OmegaCheck measures the omega-3 in your red cells, the number the heart studies use. $85 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOmegaCheck (Omega-3 index)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eAnyone taking fish oil or eating for heart health, anyone with a family history of heart disease, and anyone whose clinician suggested omega-3 testing.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eAn omega-3 index above 8% is the range associated with lower cardiovascular risk; under 4% is low. It changes slowly, so recheck after three to four months of a change. Review with a clinician.\u003c\/p\u003e\n\u003cp\u003eNo fasting needed.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837644767400,"sku":"92701","price":85.0,"currency_code":"USD","in_stock":true}]},{"product_id":"coenzyme-q10","title":"Coenzyme Q10","description":"\u003cp\u003eYou're on a statin and your legs ache, or you supplement CoQ10 and want to know whether it's getting in. This measures the level in your blood. $75 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCoenzyme Q10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003ePeople on statins with muscle aches, anyone supplementing CoQ10, and anyone with heart failure whose clinician is tracking it.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow CoQ10 on a statin with muscle symptoms is a common finding and a conversation with your prescriber; a normal value on a supplement means the dose is adequate. Review with a clinician.\u003c\/p\u003e\n\u003cp\u003eFasting preferred: skip breakfast and come in the morning if you can; water is fine.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837644800168,"sku":"10178","price":75.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-a","title":"Vitamin A","description":"\u003cp\u003eNight vision getting worse, skin very dry, or you take a high-dose supplement and want to be sure you're not overdoing it. Vitamin A deficiency and toxicity are both real. $55 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eAnyone with night-vision or dry-skin symptoms, people after bariatric surgery or with malabsorption, and anyone taking high-dose vitamin A or retinoids.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow values with symptoms support supplementation under guidance; high values on a supplement are a reason to stop, since vitamin A accumulates. Review with a clinician.\u003c\/p\u003e\n\u003cp\u003eFasting required: nothing but water for 8–12 hours before your draw. Morning visits are easiest.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837645652136,"sku":"921","price":55.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-e","title":"Vitamin E","description":"\u003cp\u003eYour clinician asked for it, or you're on a very low-fat diet or have a fat-absorption problem and want to know. Vitamin E is fat-soluble, so absorption problems show up here. $54 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin E\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003ePeople with malabsorption, after bariatric surgery, on very low-fat diets, and anyone taking high-dose vitamin E.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow values point to absorption or intake; high values on supplements are a reason to reduce, since high-dose vitamin E has been linked to bleeding risk. Review with a clinician.\u003c\/p\u003e\n\u003cp\u003eFasting required: nothing but water for 8–12 hours before your draw. Morning visits are easiest.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837645684904,"sku":"931","price":54.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-b6","title":"Vitamin B6","description":"\u003cp\u003eTingling hands and feet, and you take a B-complex or energy supplement. Vitamin B6 is unusual: deficiency and excess both cause neuropathy, so the number matters. $135 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eAnyone with numbness or tingling, anyone taking B6 or B-complex supplements, and people on medicines that lower B6 (isoniazid, some anti-seizure drugs).\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow B6 with symptoms supports a modest supplement; high B6 (common on supplements over 50 mg) is a reason to stop and recheck, as it can itself cause nerve damage. Review with a clinician.\u003c\/p\u003e\n\u003cp\u003eFasting required: nothing but water for 8–12 hours before your draw. Morning visits are easiest.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837645717672,"sku":"926","price":135.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-c","title":"Vitamin C","description":"\u003cp\u003eGums bleeding, bruising easily, wounds slow to heal, or a diet with little fresh food. Low vitamin C is more common than people think, and easy to fix. $55 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eAnyone with gum bleeding or slow healing, smokers, people on restricted diets, and anyone whose clinician asked.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow values with symptoms respond quickly to diet or a supplement; recheck in a few weeks. High values just reflect recent intake. Review with a clinician if symptoms persist.\u003c\/p\u003e\n\u003cp\u003eFasting required: nothing but water for 8–12 hours before your draw. Morning visits are easiest.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837645750440,"sku":"929","price":55.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-b1-thiamine","title":"Vitamin B1 (Thiamine)","description":"\u003cp\u003eMemory off, unsteady, numb feet, and you drink regularly, had weight-loss surgery, or have been vomiting on a GLP-1. Thiamine runs out fast in those situations and the damage can be permanent, so it's worth knowing. $74 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B1 (Thiamine)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003ePeople who drink heavily, after bariatric surgery, with prolonged vomiting or poor intake, and anyone with unexplained neuropathy or confusion.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eA low thiamine with symptoms is treated promptly; don't wait on a borderline result if you're at risk. Review with a clinician the same day if confusion or unsteadiness is new.\u003c\/p\u003e\n\u003cp\u003eFasting required: nothing but water for 8–12 hours before your draw. Morning visits are easiest.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837645783208,"sku":"90353","price":74.0,"currency_code":"USD","in_stock":true}]},{"product_id":"copper","title":"Copper","description":"\u003cp\u003eYou take a lot of zinc, you've got numbness or anemia that iron didn't fix, or your clinician asked. Copper and zinc compete, and high-dose zinc quietly drives copper down. $58 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCopper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eAnyone taking zinc supplements or using zinc denture cream, anyone with anemia or neuropathy that didn't respond to iron or B12, and people after bariatric surgery.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow copper with high zinc is a supplement problem and reverses when zinc is reduced; low copper with anemia and nerve symptoms needs a clinician promptly. High copper has its own causes to review.\u003c\/p\u003e\n\u003cp\u003eNo fasting needed.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837645815976,"sku":"363","price":58.0,"currency_code":"USD","in_stock":true}]},{"product_id":"vitamin-k","title":"Vitamin K","description":"\u003cp\u003eYou bruise or bleed easily, you're on antibiotics long-term or have a fat-absorption problem, or your clinician asked. Vitamin K is what your clotting factors need. $102 is all-in. No draw fees, no physician fees, no surprise bills. Results usually in 1–2 business days, in your secure online account.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin K\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003ePeople with easy bruising or bleeding, malabsorption, long antibiotic courses, and anyone on warfarin whose clinician wants the level.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding your results\u003c\/h3\u003e\n\u003cp\u003eLow vitamin K with bruising or a prolonged clotting time supports supplementation under guidance. If you're on warfarin, never change intake without your prescriber. Review with a clinician.\u003c\/p\u003e\n\u003cp\u003eFasting required: nothing but water for 8–12 hours before your draw. Morning visits are easiest.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOrder online, pick a test center, walk in. Nothing to print, nothing to bring. Most visits take 10 to 15 minutes. Results usually in 1–2 business days.\u003c\/p\u003e","brand":"RSC Health","offers":[{"title":"Default Title","offer_id":67837645848744,"sku":"36585","price":102.0,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/www.rschealth.com\/collections\/vitamin-nutrition-tests.oembed","provider":"RSC Health","version":"1.0","type":"link"}