Vitamin C with Q-C 1000 mg

Vitamin C with Q-C 1000 mg and 4 near-identical products are sold under 3 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Vitamin C with Q-C 1000 mg	Doctor's Best
Vitamin C with Citrus Bioflavonoids & Rose Hips	AN Amazing Nutrition Amazing Formulas
Vitamin C with Q-C 1000 mg	Doctor's Best
Vitamin C with Q-C 1000 mg	Doctor's Best
Vitamin C 1000 mg	Sports Research