L-tyrosine is a nonessential amino acid it can be made from phenylalanine found in many protein sources. It is a precursor to epinephrine, norepinephrine, dopamine, and thyroxine. Supplemental L-tyrosine has been studied as an athletic enhancement aid and in the treatment of depression, drug dependence, narcolepsy, Parkinson's, Alzheimer's, phenylketonuria, and many other conditions. More... Packing Information: These powders are reduced down from kilo sizes. Each powder is put into a HDPE container, Heat Sealed, then labeled with dosing based off 14 tsp.Some items may be hygroscopic and may clump during shipment. This does not effect the efficacy of the product, but just the texture.
