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 can increase scale weight or water retention signals; MK-677 edema can be clinically important.
Mechanism. Creatine water retention plus GH/IGF-1-related fluid retention.
Recommendation. Watch for ankle swelling, numbness, blood pressure changes, and shortness of breath, not just weight gain.
Stack Score
How it moves the number.
Effect on the composite score
If both Creatine and MK-677 (Ibutamoren) 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- 1Nass R et al. Oral ghrelin mimetic randomized trial. Ann Intern Med. 2008.Needs sourceNo link