Biotin is a water-soluble B-complex vitamin:

•a coenzyme that helps: make fatty acids; synthesize nucleic acids; and oxidation of fatty acids and carbs

• essential for food metabolism and release of energy Alt Med

• assists in biosynthesis of amino acids, nucleic acid and fatty acids Alt Med

• assists in utilization of other B vitamins Alt Med

• synthesized by intestinal bacteria so antibiotics impede its production

• needed to synthesize Vitamin C

• needed to synthesize B3 – Niacin


No RDA. AI is:

• Adults 30 mcg/day

• Teens 25 mcg/day

• Children 1-4 years 8 mcg/day; 4+ years 12 mcg/day

Dosage by Supplements

• body needs up to 300 mcg/day – more during pregnancy

• reasonable supplementation:

• adults 300 mcg/day

• teens 200 mcg/day

• children 1-4 years 75 mcg/day, 4+ 150 mcg/day


• no known toxicity

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