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
SynergyEmerging evidence
What is happening. Vitamin C may support immune function and iron absorption while lactoferrin supports mucosal defense.
Mechanism. Complementary immune support and iron-related pathways.
Recommendation. Use moderate vitamin C doses; monitor iron status if treating deficiency.
Stack Score
How it moves the number.
Effect on the composite score
If both Lactoferrin and Vitamin C 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- 1Gao Y et al. Lactoferrin pediatric infections meta-analysis. Front Pediatr. 2025.Needs sourceNo link