Biotin
General
Chemical formula	C10H16N2O3S
Molecular weight	244.31 g/mol
Other names
Vitamin B7 Vitamin H
Vitamin properties
Solubility	Water
RDA (adult male)	30 μg/day
RDA (adult female)	30 μg/day
RDA upper limit (adult male)	None
RDA upper limit (adult female)	None
Deficiency symptoms
Dry scaly skin Fatigue Loss of appetite Nausea and vomiting Mental depression Tongue inflammation High cholesterol
Excess symptoms
None
Common sources
Liver and kidney Dairy products Some seafood, especially oysters, lobster, and salmon Yeast

Biotin, also known as vitamin H or B₇ and C₁₀H₁₆N₂O₃S (Biotin; Coenzyme R, Biopeiderm), is a B-complex vitamin which is important in the catalysis of essential metabolic reactions to synthesize fatty acids, in gluconeogenesis, and to metabolize leucine.

The molecular weight of biotin is 244.31.

Other uses:

• commonly used to improve the hoof quality of horses

See also

• Biotinylation

pl:Biotyna de:Biotin fr:Biotine ja:ビオチン