Ester C Plus

Ester C Plus and 8 near-identical products are sold under 5 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Ester C Plus	Martin Avenue Pharmacy
Ester-C Plus	Douglas Laboratories
Calcium Ascorbate 500 mg	Kala Health
Calcium Ascorbate	Kala Health
Vitamin C	Kala Health
Vitamin C	Kala Health
Meta-C 500 mg Capsules	NutriBiotic Immunity
Meta-C 500 mg Capsules	NutriBiotic Immunity
Joint Formula	Dr. Mercola