Natural Source Vitamin B-1 250 mg

Natural Source Vitamin B-1 250 mg and 18 near-identical products are sold under 15 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Natural Source Vitamin B-1 250 mg	Windmill
Vitamin B-1 100 mg Supplement	Nature Made
B1 100 mg	Thompson
Vitamin B-1 100 mg	Foods Plus
High Potency B-1 500 mg	Source Naturals
Super Potency Vitamin B 1 (Thiamin) 500 mg	Solgar
Thiamine-250 TR	MBi Nutraceuticals
Vitamin B-1 50 mg	VitalBulk
Vitamin B-1 100 mg	Marlex Pharmaceuticals
Thiamin Vitamin B-1 100 mg	Geri-Care
B-1 100 mg	Basic Vitamins
Coenzymated B-1 Cocarboxylase	Source Naturals
High Potency B-1 500 mg	Source Naturals
Lipothiamine	Cardiovascular Research
Lipothiamine	Cardiovascular Research
Lipothiamine	Cardiovascular Research
B-1 100 mg	NOW
B-1 250 mg	Mason Natural
Sustained Release Vitamin B1 300 mg	NaturesPlus