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Vitamin

Vitamin deficiency is a serious nutritional concern. If you are noticing vitamin deficiency symptoms it is important that you have a vitamin deficiency test. No time to visit your doctor or concerned about insurance? No worries. Walk-in Lab provides a selection of vitamin testing. Simple select any lab test now from the list below and you'll receive the rest of your lab tests online. Thank you for browsing our selection of Vitamin blood tests and panels. Shop additional Vitamin, Mineral & Nutrition Tests confidentially and order online without insurance or a doctor's note.

Choose One Lab: LABCORP (LC) or QUEST (QD) or ALL

Home Test Kits

Walk-In Lab is contracted with LabCorp (LC) and Quest Diagnostics (QD) for routine lab testing. Please choose LC or QD to complete your order. If you prefer to receive a kit by mail for specimen collection, please see our Home Test Kits. LC and QD tests must be ordered separately.

LabCorp: Online lab testing is prohibited in MA, MD, NY, NJ and RI.

Quest Diagnostics: Online lab testing is prohibited in AZ, NY, NJ and RI.

  • Vitamin D 25-Hydroxy Blood Test

    February Special: Save 15% with coupon code FEB15. The Vitamin D 25-Hydroxy Blood Test determines Vitamin D deficiency.
  • Vitamin B12 Blood Test

    This Vitamin B12 Blood Test measures the vitamin B12 levels in the blood to help screen for a deficiency.
  • Homocysteine Blood Test

    The Homocysteine Blood Test measures homocysteine levels in the blood to screen for a vitamin B12, B6, or folic acid deficiency.
  • Vitamin Deficiency and Wellness Blood Test Panel

    The Vitamin Deficiency and Wellness Blood Test Panel helps to screen for vitamin deficiency and assess overall health and wellness.
  • Vitamin B6 Blood Test

    A Vitamin B6 Test detects Vitamin B6 levels in the blood.
  • Vitamin A Serum Test

    Vitamin A Serum Test determines Vitamin A levels.
  • Vitamin D 1,25 Dihydroxy (Calcitriol) Blood Test

    The Vitamin D 1,25 Dihydroxy (Calcitriol) Blood Test measures the vitamin D levels in the blood to assist with differential diagnosis of hypocalcemia and to monitor bone disease or chronic kidney failure treatment. 
  • Vitamin B1 Whole Blood Test

    The Vitamin B1 Whole Blood Test measures levels of vitamin B1 in the blood. 
  • Vitamins Blood Test Panel

    The Vitamins Blood Test Panel includes a Vitamins A, B1, B6, B9(Folic Acid), B12, C, D,E, and K1.
  • Folate (Folic Acid) Serum Test

    The Folate Serum Test measures folate levels in the blood to screen for a deficiency.
  • Vitamin C Blood Test

    The Vitamin C Blood Test measures vitamin C levels in the blood to screen for a vitamin C deficiency and assess the risk of scurvy.
  • Vitamin E Serum Test

    The Vitamin E Serum test measures the level of vitamin E in the blood to screen for a deficiency.
  • Amino Acid Analysis Blood Test, LC/MS

    The Amino Acid Analysis Blood Test, LC/MS, detects 34 different amino acids in the blood and helps diagnose various inborn errors in metabolism.
  • Vitamin B12 and Folate Wellness Blood Test Panel

    The Vitamin B12 and Folate Wellness Blood Test Panel includes a Vitamin B12, Folate (Folic Acid, Vitamin B9), CMP-14, and CBC.
  • Vitamin K1 Blood Test

    The Vitamin K Blood Test measures vitamin K levels in the blood to screen for a vitamin K deficiency and assess the risk of blood clotting, bone metabolism, and hemorrhagic disorders.
  • QuestAssureDâ„¢ 25-Hydroxyvitamin D (D2, D3) Blood T...

    The QuestAssureD™ 25-Hydroxyvitamin D (D2, D3) Blood Test measures total Vitamin D and its two primary forms (D2 and D3) in the blood to screen for a deficiency or toxicity.
  • Folate Whole Blood Test, RBC

    The Folate Whole Blood Test, RBC, measures folate RBC levels in the blood to screen for megaloblastic anemia.
  • Vitamin B2 Blood Test

    The Vitamin B2 Test measures the amount of Vitamin B2 in the blood.
  • Vitamin A, E and Beta Carotene Blood Test Panel

    A Vitamin A, E and Beta Carotene Blood Test Panel is ordered to assess hypervitaminosis or vitamin deficiency.
  • Cardio IQ® Vitamin D, 25-Hydroxy Blood Test

    The Cardio IQ® Vitamin D, 25-Hydroxy Blood Test is used to help screen for and diagnose vitamin D deficiency or toxicity and monitor response to vitamin D2 or vitamin D3 supplementation.
  • Methylmalonic Acid Urine Test, GC/MS/MS

    The Methylmalonic Acid Urine Test, GC/MS/MS, measures the level of MMA in urine to help detect early or mild vitamin B12 deficiency.
  • Vitamin B7 Blood Test

    The Vitamin B7 Blood test measures the vitamin B7 levels in the blood to screen for a deficiency.
  • NutrEval Plasma and Urine Test Plus Vitamin D - GENO...

    NutrEval FMV® provides a framework of core nutrients in 5 key areas: Antioxidants, B Vitamins, Digestive Support, Essential Fatty Acids, and Minerals plus Vitamin D.  Note: This is a pre-paid shipping test kit that will be mailed and it requires a blood draw. Please Click Here to locate a lab for specimen collection.
  • Beta Carotene Blood Test

    This beta carotene blood test is used to determine if an individual has carotene (also known as beta carotene) deficiencies.
  • Cholinesterase, RBC and Plasma Test

    This Cholinesterase, RBC and Plasma Test is used to determine if you have been exposed to and/or poisoned by certain organophosphate chemicals found in pesticides; to monitor cholinesterase levels if you work with pesticides.
  • Vitamin B3 Blood Test

    The Vitamin B3 Blood Test measures Nicotinic Acid and Nicotinamide levels in the blood.
  • Cholinesterase Blood Test

    The Cholinesterase Blood Test measures the level of cholinesterase enzyme in the blood to diagnose and monitor the progression of certain medical conditions.
  • Vitamin D Blood Spot Profile - ZRT Test Kit

    The Vitamin D home test kit will assist in identifying a deficiency in  Vitamin D levels, which is a potential cause of health problems.  In addition, it can also be used to monitor levels after vitamin D supplementation to confirm dosing.
  • Vitamin D 25-Hydroxy (D2+D3 Fractionated) Blood Test...

    The Vitamin D, 25-Hydroxy (D2+D3 Fractionated) Blood Test measures total Vitamin D and its two primary forms (D2 and D3) in the blood to screen for a deficiency or toxicity.
  • Vitamin D-25 hydroxy Frozen Blood Test

    The Vitamin D-25 Hydroxy Frozen Blood Test measures vitamin D levels in a frozen blood sample to help diagnose a deficiency or toxicity.
  • Retinol-binding Protein (RbP) Serum Test

    A Retinol Binding Protein is designed to measure RBP levels in serum.
  • Amino Acids Analysis FMV, Urine - Genova Test Kit

    Amino Acid Analysis, FMV measures levels of key amino acids in urine. The amino acid levels in urine represent recent dietary intake and are most useful for assessing vitamin/mineral cofactors that affect amino acid metabolism.

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