International Antiaging Systems
L-TRYPTOPHAN
read James South's tryptophan article
L-tryptophan is a naturally occurring amino acid and is a precursor of the brain neurotransmitter serotonin.
L-Tryptophan's is used to treat depression, for alcohol withdrawal, and as an aid to weight loss.
Avoid combining L-tryptophan with other serotonin increasing agents such as 5-HTP or SSRI drugs, such as Prozac, etc.
"Tryptophan is one of the eight essential amino-acids in the human diet"
James South MA, Oregon."Your tryptophan is the best I've tried, clearly it's top-quality."
I.P.S., Alabama.