D-Biotin 1000 mcg

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

Product	Brand
D-Biotin 1000 mcg	Kirkman
Biotin	OL Olympian Labs
Biotin 1000 mcg	The Vitamin Shoppe
Biotin 1 mg	Dr. Clark Research Association Dr. Clark Zentrum
d-Biotin 1000 mcg	Kirkman
Biotin 1000 mcg	Bluebonnet
Biotin 1000 mcg	Bluebonnet