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. Both can lower LDL-C through different mechanisms and may have additive glucose-lowering effects.
Mechanism. Plant sterols reduce cholesterol absorption while berberine affects AMPK, LDL receptors, and glucose metabolism.
Recommendation. Monitor lipids and glucose if using both, especially with diabetes medications.
Stack Score
How it moves the number.
Effect on the composite score
If both Berberine and Plant Sterols (Phytosterols) 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- 1Amiot MJ et al. Phytosterol-fortified foods meta-analysis. Clinical Nutrition. 2023.Needs sourceNo link