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Policosanol

cholesterol management

Evidence · Grade C
Interaction risk

Policosanol is a mixture of long-chain alcohols, primarily from sugar cane wax, investigated for its potential to support cardiovascular health by influencing cholesterol levels, though evidence is mixed.

Last reviewed June 4, 2026 · AI-assisted, human-reviewed
Policosanol is a natural mixture of long-chain fatty alcohols typically derived from sugar cane wax or beeswax. It has been studied for its potential to lower high cholesterol levels, particularly LDL ('bad') cholesterol, and increase HDL ('good') cholesterol.

Quick answer

What it is: Policosanol is a natural mixture of long-chain fatty alcohols typically derived from sugar cane wax or beeswax.

May support:High Cholesterol

Evidence:Evidence · Grade C

Evidence Summary

Evidence · Grade C

The current evidence grade for policosanol is conservative due to a lack of recent, high-quality, independent studies. Early research, particularly from a single country, suggested significant benefits, but subsequent independent studies have often failed to replicate these findings or have shown less pronounced effects. This discrepancy necessitates a cautious approach to its efficacy.

Last reviewed · Jun 2026

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Why It Works

Policosanol is believed to inhibit HMG-CoA reductase, an enzyme involved in cholesterol synthesis in the liver, similar to statin drugs but through a different mechanism. It may also enhance the uptake and degradation of LDL cholesterol.

How it works in more detail

The proposed mechanism of action for policosanol involves several pathways related to lipid metabolism. It is believed to inhibit the enzyme HMG-CoA reductase in the liver, which is a key enzyme in cholesterol synthesis, thereby reducing endogenous cholesterol production. Additionally, policosanol may enhance the activity of LDL receptors on liver cells, leading to increased clearance of low-density lipoprotein (LDL) cholesterol from the bloodstream. Some research also suggests it might influence high-density lipoprotein (HDL) cholesterol levels by increasing its synthesis or reducing its catabolism, and may possess antioxidant properties that could contribute to cardiovascular protection.

How to use

Always consult a qualified clinician.

Editorial guidance

Suggested dosage
5-20 mg per day, typically taken once daily with the evening meal.
Research dosage range
Most studies have used dosages ranging from 5 mg to 20 mg per day, typically taken once daily.
Typical forms
capsule, tablet
Quality markers
When purchasing policosanol, look for products that specify the source (e.g., sugar cane wax, beeswax) and the standardized content of specific long-chain alcohols, particularly octacosanol, triacontanol, and hexacosanol. Third-party testing for purity and potency can also indicate a higher quality
Medication interactions
  • Anticoagulants (blood thinners)

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Suggested dosage

5-20 mg per day, typically taken once daily with the evening meal.

General guidance — discuss specifics with a clinician.

Active medicinal compounds

Octacosanol, Triacontanol, Hexacosanol (a mixture of long-chain aliphatic alcohols)

Safety

Safety warnings

Policosanol is generally well-tolerated. Potential side effects are mild and rare, including headache, dizziness, insomnia, and stomach upset.

Medication interactions

  • Anticoagulants (blood thinners)

Reported side effects

  • Headache
  • Dizziness
  • Upset stomach
  • Insomnia
  • Skin rash

General guidance — discuss specifics with a clinician.

Evidence ecosystem

Scientific literature, clinical guidance, government sources, ongoing research, traditional use, and lived experience — grouped by source type and quality.

No indexed evidence yet. We're still building out this remedy's evidence ecosystem.

Limitations: A significant limitation is the inconsistency of research findings, with many positive results originating from a single research group or country. There is a lack of large-scale, multi-center, placebo-controlled trials conducted independently to confirm earlier promising results. Furthermore, variations in the source and composition of policosanol used in studies may contribute to conflicting outcomes.

This page is educational. Statements use phrases like "may support" and "has been studied for"because no remedy here is approved to cure, treat, or reverse any condition. Discussion happens on the ailment pages — community statistics here are derived from those reports. Always consult a qualified clinician.

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