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Supplement × Supplement·a caution·Insufficient evidence

5-HTP + Selank

Caution Insufficient evidence

5-HTP affects serotonin and mood while selank is used for anxiety, increasing unpredictability.

Source citations
1
Pair type
Caution
Evidence
Insufficient
Scope
Supplement × Supplement
Open the interaction checker → Read the methodology
From the database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, and the recommendation.

Substances
5-HTP and Selank
Pair type
Caution
Evidence
Insufficient
Source citations
1
Scope
Supplement × Supplement
Last verified
June 4, 2026
CautionInsufficient evidence

What is happening. 5-HTP affects serotonin and mood while selank is used for anxiety, increasing unpredictability.

Mechanism. Overlapping CNS and mood effects.

Recommendation. Avoid psychiatric supplement stacks without clinician review.

Stack Score

How it moves the number.

Effect on the composite score

If both 5-HTP and Selank are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).

The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.

Sources

Sources, by evidence tier.

Every claim on this page is cited. PMIDs link straight to PubMed.

Reference material

1
  • 1Medvedev VE et al. Selank anxiety treatment. 2015.Needs sourceNo link

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NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.