Mon – Fri 9am – 5pm
(closed Public Holidays)

Level 1, 76 Spring Street,
Bondi Junction NSW 2022

All mail correspondence to
Po Box 2109 Bondi Junction NSW 1355

(02) 9387 3205


USES AND ACTIONS Tryptophan is an essential amino acid and precursor of serotonin. CNS depletion of serotonin is considered to be involved in depression, and tryptophan has a role in the treatment of some cases. Compounding Chemists will compound L-tryptophan or 5-HTP...


5-hydroxytryptophan is also known as oxitriptan or 5-HTP and is a precursor of serotonin. Like tryptophan, this medication is used in the treatment of depression. A prescription is required for this medication.