Biotin For Hair & Nails Extra Strength

Biotin For Hair & Nails Extra Strength and 13 near-identical products are sold under 8 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Biotin For Hair & Nails Extra Strength	Natrol
Biotin 5000 mcg	Exchange Select
Biotin 5,000 mcg Extra Strength	Natrol
Biotin 600 mcg	GNC
Active Lipoic Acid 300 mg	Country Life
ALA Release	Allergy Research Group
ALA Release	NutriCology
Biotin 5000 mcg	Walgreens
Biotin 5000 mcg	Walgreens
Biotin 10,000 mcg	OL Olympian Labs
Biotin 10,000 mcg	OL Olympian Labs
Biotin 10,000 mcg	Natrol
Biotin 10,000 mcg	Natrol
Biotin 1,000 mcg	Natrol