Best time to take 5-HTP

Written to our editorial standards · reviewed against published research· Updated 2 Jun 2026
Evening or before bed

Take 5-HTP in the evening, away from protein meals.

5-HTP is a serotonin precursor that the body converts toward melatonin in the evening, supporting mood and sleep. Protein-rich meals compete for its transport into the brain.

When
Take before bed
With food?
Away from protein
Typical dose
100 mg
How to take it

Start with a low dose in the evening, away from a big protein meal. Use it short-term.

Watch out

Do not combine 5-HTP with antidepressants or other serotonergic drugs, because of serotonin-syndrome risk.

Full guide
5-HTP: benefits, dose & evidence
Read the ingredient guide →

Common questions

When is the best time to take 5-HTP?
Take 5-HTP in the evening, away from protein meals. Start with a low dose in the evening, away from a big protein meal. Use it short-term.
Should I take 5-HTP with or without food?
Away from protein. 5-HTP is a serotonin precursor that the body converts toward melatonin in the evening, supporting mood and sleep. Protein-rich meals compete for its transport into the brain.
Anything to watch out for with 5-HTP timing?
Do not combine 5-HTP with antidepressants or other serotonergic drugs, because of serotonin-syndrome risk.

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Educational use only, not medical advice. The right timing and dose depend on your health, your other supplements, and any medications. Always consult a qualified clinician, especially if you take prescription drugs or are pregnant or nursing.