Vitamin C

Vitamin C and 5 near-identical products are sold under 3 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Vitamin C	NutraMedix
Pure Vitamin C	Allergy Research Group
Pure Vitamin C Cassava Root Source	NutriCology
Pure Vitamin C	Allergy Research Group
Pure Vitamin C Ascorbic Acid	NutriCology
Vitamin C 1000 mg	NutraMedix