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Amino AcidModerate Evidence

5-HTP (5-Hydroxytryptophan)

5-Hydroxytryptophan

A direct amino acid precursor to serotonin and melatonin, derived from Griffonia simplicifolia seeds. Studied for depression, anxiety, sleep quality, and appetite regulation.

Known Health Benefits

Serotonin precursor for mood and wellbeing
May improve depression symptoms
Sleep quality improvement
Appetite and weight management support

Active Compounds

5-hydroxytryptophan (from Griffonia simplicifolia)

Dosage Guidance

50–300 mg daily (start at 50 mg, take with food)

Always consult a healthcare provider for personalized dosing.

Potential Side Effects

Nausea, GI upset; eosinophilia-myalgia syndrome risk with impure sources

Known Drug Interactions

MAJOR: serotonin syndrome risk when combined with SSRIs, SNRIs, MAOIs, or triptans — do not combine without physician guidance

Evidence Classification

Moderate Evidence

Supported by cohort studies, case-control studies, or multiple observational studies with consistent findings.

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This entry is for educational purposes only. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen, especially if you take medications or have health conditions.