Amino & PerformanceNo.055
5-HTP
Mood and sleep (serotonin precursor).
Typical / RDA50–200 mg
Upper limitUse with care
EvidenceLimited
How to take it
Timing EveningFood Empty-ishForm 5-hydroxytryptophan
What to know
A serotonin precursor taken for mood and sleep. The real concern is safety, not just efficacy: combining it with serotonergic drugs can be dangerous.
Interactions & cautions
- Do NOT combine with antidepressants (SSRIs) — serotonin syndrome risk.
Do you actually need it?
Skip if on antidepressants. Discuss with a doctor first.
Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Confirm with a healthcare professional.