Niacinamide

Niacinamide and 21 near-identical products are sold under 19 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Niacinamide	GNC Mega Men
Niacin Vitamin B-3, 100 mg	Vitabase
Natural Source Niacin 100 mg	Windmill
Niacin 100 mg	Equaline
Niacin 100 mg Nicotinic Acid	Douglas Laboratories
Niacin 100 mg Vitamin B-3	Martin Avenue Pharmacy
Niacin 100 mg	Vitamer Laboratories
Niacin 100 mg	Exchange Select X
Niacin 100 mg	VitaCeutical Labs
Niacinamide 100 mg	Rugby
Niacin 100 mg	Carlson
Niacin 100 mg	Carlson
Niacin 100 mg	Natural Factors
Niacin 100 mg	Natural Nutra
Niacin 100 mg	Basic Vitamins
Niacin 100 mg	VitalBulk
Niacin (Vitamin B3) 100 mg	Solgar
Niacin 100 mg	Nature's Blend
Niacin 100 mg	Source Naturals
Niacinamide B-3 100 mg	Source Naturals
Niacinamide B-3 100 mg	Source Naturals
Niacin 100 mg	NaturesPlus