Biotin is an essential nutrient in the B vitamin complex. 21st Century Maximum Strength Biotin provides 5,000 mcg of biotin per serving. Biotin aids in cell growth and the production of fatty acids.
Biotin is an essential nutrient in the B vitamin complex. 21st Century Maximum Strength Biotin provides 5,000 mcg of biotin per serving. Biotin aids in cell growth and the production of fatty acids.