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Policosanol
Long-chain alcohols from sugar cane wax with modest effects on LDL oxidation and platelet aggregation — cholesterol claims remain debated.
What the evidence says
Policosanol appears to help in 4 of 4 studies with measurable effects — the evidence leans clearly favourable.
Most evidence is from high-quality meta-analyses and randomised trials published 1994–2025 with a typical study size of 102 participants.
Based on 82 studies · 8 meta-analyses · 71 RCTs · 11,119 total participants
Confidence
High confidenceWhat the studies found
By outcome
Cuban trials show dramatic lipid and blood-pressure benefits, but independent RCTs (JAMA, atorvastatin comparison) repeatedly found no effect beyond placebo, leaving evidence inconsistent and only Emerging.
65 randomised trials
92% were about Policosanol in an audit of 50 of them
Every randomised or controlled trial of Policosanol indexed in PubMed, not a hand-picked subset. Meta-analyses and systematic reviews are deliberately excluded from this count: most of them cover many compounds at once, so counting them would inflate it.
PubMed · as of Sep 2026
2 trials ongoing or recruiting · 13 completed on ClinicalTrials.gov
2 of the completed trials have posted results
Registered trials show research momentum for Policosanol, not proof of effect — a registration is a plan, and posted results are sponsor-reported, not peer-reviewed. They are never counted toward the evidence rating above.
Browse these trials on ClinicalTrials.govClinicalTrials.gov · as of Oct 2026
Under EU law (Reg. 1924/2006), EFSA reviews whether a specific health claim for Policosanol meets the evidence standard. These are independent regulatory decisions on claims — not studies, and never counted toward the evidence score above.
Not authorised by EFSA
“POLICOSANOL Reducing cholesterol levels”
“Not authorised” means the specific claim wording did not meet the EU’s evidence standard — often a matter of dossier or phrasing, not proof of no effect. EFSA judges marketing claims and is kept separate from our study-based evidence score.
Source: EU Register of nutrition and health claims (European Commission / EFSA) · register snapshot Feb 2013
Policosanol is a mixture of long-chain aliphatic alcohols derived from sugar cane wax (Cuban policosanol), rice bran, or beeswax.
Cuban studies reported large cholesterol-lowering effects, but a 2018 meta-analysis found Cuban trials got better results than trials elsewhere, and in a 99-patient head-to-head trial outside Cuba, policosanol 20 mg did not lower LDL cholesterol while atorvastatin 10 mg lowered it by 35%.
It may have modest effects on LDL oxidation and platelet aggregation. The discrepancy between Cuban and international studies remains unexplained.
May inhibit cholesterol synthesis
May reduce LDL oxidation
May reduce platelet aggregation
How Policosanol works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
Evidence is mixed; other options (berberine, red yeast rice) have stronger evidence
Policosanol can reduce platelet aggregation; combining with antiplatelet or anticoagulant drugs may have additive effects and increase bleeding risk.
Tip: Take with food
Policosanol has an evidence score of 4/10 — emerging evidence based on 80 indexed studies, including 7 meta-analyses. Long-chain alcohols from sugar cane wax with modest effects on LDL oxidation and platelet aggregation — cholesterol claims remain debated. Representative study: PMID 38768866.
The commonly studied dose of Policosanol is 10-20mg daily. Individual needs vary — start at the lower end of the range and adjust based on how you respond.
The best time to take Policosanol is in the evening. Take it with food. Policosanol is a mixture of long-chain aliphatic alcohols (primarily octacosanol) derived from sugar cane wax.
Policosanol is generally well-tolerated and considered safe for most healthy adults at recommended doses. Reported side effects are uncommon and include GI upset. Use caution if any of these apply to you: Known allergy or hypersensitivity to Policosanol or related compounds.
CoQ10
Likely helpsA lipid-soluble antioxidant central to mitochondrial energy production, with the strongest trial support for fertility/IVF outcomes and heart failure.
Red Yeast Rice
Likely helpsFermented rice containing natural statins that effectively lower LDL cholesterol — the original statin.
Berberine
Likely helpsActivates AMPK to regulate blood sugar, improve insulin sensitivity, and support lipid metabolism. Its only head-to-head trial with metformin cited here was a 36-person pilot, which does not show it can replace metformin.
Plant Sterols & Stanols
Too few graded studiesPlant sterols and stanols taken at about 2 to 3 g a day, usually in fortified foods or as capsules, lower LDL cholesterol by roughly 6 to 12% in more than a hundred randomised trials. No trial has tested whether they prevent heart attacks or strokes.
Explore: Best supplements for Vitality & Longevity
Reviewed by Dr. Baher Al Hakim · Last reviewed May 2026 · evidence from 82 studies · how we score · editorial policy
This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.
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