4 Bottles of 100ct Max-Strength;vitamin, supplement, Natrol, biotin, hair, skin, nails, health, maximum dose;Supports healthy hair and nails, in addition to energy production;Water-soluble B-complex vitamin necessary for cell growth and the production and metabolism of fat into amino acids.

• Biotin (10,000mcg) Maximum Strength (100ct Max-Strength x 4 Bottles)
• 4 x 100 Max-Strength

Biotin (10,000mcg) Maximum Strength (100ct Max-Strength x 4 Bottles)Natrol