I don't know about food sources, but the stuff you're looking for is
phenylalanine. Spelling counts in chemistry. :)
You can buy it in tablet form, as L-phenylalanine or DL-phenylalanine,
but that's not what you asked.
Bill Dooley
Susan Carmack wrote:
> L-Dopa from phenylanine in the diet
> What foods have this?