L-Phenylalanine

L-Phenylalanine and 4 near-identical products are sold under 2 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
L-Phenylalanine	Metabolic Maintenance
L-Tryptophan	Metabolic Maintenance
L-Carnitine 500 mg	Viva Vitamins
L-Phenylalanine 500 mg	Metabolic Maintenance
L-Tryptophan 500 mg	Metabolic Maintenance