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
SynergyModerate evidence
What is happening. Creatine and bicarbonate may support different limits to high-intensity performance.
Mechanism. Creatine supports phosphocreatine resynthesis while bicarbonate buffers extracellular acidosis.
Recommendation. Can combine if sodium load and GI tolerance are acceptable.
Stack Score
How it moves the number.
Effect on the composite score
If both Creatine and Sodium Bicarbonate are in the same stack, this pair applies +2 to your Stack Score (per scored synergy 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- 1Grgic J et al. ISSN sodium bicarbonate position stand. JISSN. 2021.Needs sourceNo link