Calcium 600

Calcium 600 and 6 near-identical products are sold under 6 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Calcium 600	GNC Women's Ultra Mega
Flash Fighters	Vitamin World
Calcium 600 mg with Vitamin D	DG Health
Enchinacea	Puritan's Pride
Calcium 600	GNC Women's
Flash Fighters	Puritan's Pride
Stress Probiotic	Gut Response