Buffered Vitamin C 500 mg

Buffered Vitamin C 500 mg and 10 near-identical products are sold under 7 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Buffered Vitamin C 500 mg	Whole Foods
Buffered C-Complex	The Vitamin Shoppe
Buffered C-Complex	The Vitamin Shoppe
Buffered C-Complex	The Vitamin Shoppe
Mild-C 500 mg	Carlson
Mild C 500 mg	Carlson
Ester-C 1000 mg with Citrus Bioflavonoids	American Health
Buffered Vitamin C 500 mg	Bluebonnet
Buffered Vitamin C 500 mg	Bluebonnet
Buffered Vitamin C with Bioflavonoids	Swanson
Grapeseed Extract 100 mg	Life Extension