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. Folate status complements B-vitamin metabolism but does not replace niacinamide.
Mechanism. Different B vitamins support nucleotide synthesis and energy metabolism.
Recommendation. Use together when dietary or lab context supports it.
Stack Score
How it moves the number.
Effect on the composite score
If both Methylfolate and Niacinamide 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- 1NIH ODS. Niacin Fact Sheet. 2024.Needs sourceNo link