Quick view Doctors Best Biotin 10,000mcg - 120 Vege Capsules MSRP: $54.15 Now: $39.90 Was: Doctor's Best Biotin provides a substantial dose of the B-complex vitamin biotin. Biotin is indispensable for the unique function of "biotinylation" which facilitates both energy and protein... MSRP: $54.15 Now: $39.90 Was: Add to Cart Quick view Add to Cart