Biotin 1000 mcg

Biotin 1000 mcg and 6 near-identical products are sold under 5 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Biotin 1000 mcg	Natural Factors
Biotin 5000	GNC AMP Advanced Muscle Performance
Biotin 5000	GNC AMP Advanced Muscle Performance
Biotin 5000 mcg	21st Century
Biotin 10,000 mcg	Best Naturals
Biotin 5000 mcg	Natural Factors
Biotin 5000 mcg	Jarrow Formulas