M+X Male Extra

M+X Male Extra and 6 near-identical products are sold under 7 different brand names — a near-twin Formula Twins cluster.

Product	Brand
M+X Male Extra	Systemic Formulas Bio Function
Nialipin	Cardiovascular Research
Flush Free Niacin	Nova Nutritions
Niacin 500 mg	Best Naturals
Zantrex Blue	Zantrex
PhosFix	Healthy Kidney
Inositol Hexanicotinate	SuperSmart