Vitamin Supplements — Forms & Bioavailability

54 ingredients in the vitamin category. Click any ingredient to see all available forms, bioavailability rankings, and dosing guidance.

• Acerola

  1 form

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• Adenosylcobalamin (Vitamin B-12)

  1 form

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• Alpha Tocopherol

  1 form

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• Amla

  1 form

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• Benfotiamine

  1 form

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• Biotin

  1 form

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• Calcium Ascorbate

  1 form

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• Camu Camu

  1 form

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• Carrot

  1 form

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• Cyanocobalamin

  1 form

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• DL-Alpha Tocopherol

  1 form

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• Ergocalciferol

  1 form

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• Folate

  1 form

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• Folate (Quatrefolic 6S-5-MTHF)

  1 form

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• Folate (Quatrefolic)

  1 form

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• Folic Acid

  1 form

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• Folinic Acid (Folate)

  1 form

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• Horsetail Stem and Leaf Extract

  1 form

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• Hydroxocobalamin (Vitamin B-12)

  1 form

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• Inositol

  1 form

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• Liposomal Complex Blend

  1 form

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• Metafolin

  1 form

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• Methylcobalamin (Vitamin B-12)

  1 form

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• Methylfolate

  1 form

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• Niacin

  1 form

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• Niacin (as Niacinamide)

  1 form

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• Pantesin HF55 (Pantethine 55%)

  1 form

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• Pantethine

  1 form

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• Pantothenic Acid

  1 form

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• Parsley Leaf Powder

  1 form

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• Phytonadione

  1 form

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• Riboflavin

  1 form

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• Riboflavin-5-Phosphate (alt)

  1 form

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• Siberian Ginseng

  1 form

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• Sodium Ascorbyl Phosphate

  1 form

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• Thiamine HCl

  1 form

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• Thiamine Mononitrate

  1 form

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• Vitamin A

  3 forms

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• Vitamin B-6

  1 form

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• Vitamin B3

  1 form

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• Vitamin B5

  1 form

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• Vitamin B6

  1 form

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• Vitamin B6 (Pyridoxine HCl)

  1 form

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• Vitamin C

  6 forms

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• Vitamin C Calcium Threonate

  1 form

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• Vitamin C Pureway-C

  1 form

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• Vitamin D2

  1 form

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• Vitamin D3

  2 forms

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• Vitamin E

  8 forms

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• Vitamin E Mixed Tocotrienols

  1 form

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• Vitamin E Succinate

  1 form

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• Vitamin K1

  1 form

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• Vitamin K2

  1 form

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• Vitamin K2 (MK-4)

  1 form

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