L-Arginine 500 mg

L-Arginine 500 mg and 7 near-identical products are sold under 7 different brand names — a near-twin Formula Twins cluster.

Product	Brand
L-Arginine 500 mg	Vitabase
Vitamin B-6 200 mg	Highland Laboratories
Vitamin B6 100 mg	BIOVEA
5-HTP Plus Formula	Douglas Laboratories
B6 100 mg	Natural Grocers by Vitamin Cottage
BioZinc 15 mg	Natural Grocers by Vitamin Cottage
Vitamin B6 100 mg	Vital Nutrients
Vitamin B6 250 mg	Life Extension