It's an open secret among functional medicine doctors, but only slowly filtering out to the general public: Supplementing with the naturally occurring amino acid 5-Hydroxytryptophan — 5-HTP for short ...
The brain needs L-tryptophan and 5-hydroxytryptophan (5-HTP) to manufacture serotonin. L-tryptophan and 5-HTP are widely used alternative treatments of generalized anxiety. Both amino acids are ...