From the databaseWhat the row says.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
Scope
Supplement × Supplement
Last verified
June 4, 2026
CautionInsufficient evidence
What is happening. Both are often used at night and may cause sleepiness or obscure sleep-related adverse effects.
Mechanism. Overlapping sleep timing and GH-axis interest.
Recommendation. Use only with clinician guidance if sermorelin is prescribed; monitor morning grogginess and sleep quality objectively.
Stack Score
How it moves the number.
Effect on the composite score
If both Melatonin and Sermorelin 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.
SourcesSources, by evidence tier.
Every claim on this page is cited. PMIDs link straight to PubMed.
Reference material
1- 1Prakash A et al. Sermorelin review. BioDrugs. 1999.Needs sourceNo link