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Open Source Apothecary At Home / Heart and circulation
Plant sterols and psyllium lower LDL measurably. Red yeast rice contains a statin, and that is a fact worth knowing before you take it.
remedyLDL cholesterol responds to several dietary and supplement interventions with measurable effects, and the effects are mostly in the range of a 5-15% reduction — meaningful, and smaller than a statin. Two of the items below need particular attention because they are not what they appear.
Plant stanols and sterols. These compete with cholesterol for intestinal absorption and lower LDL by roughly 8-12% at 2-3 g daily. They are added to some margarines and sold as supplements. The effect is well established. Note that they also reduce absorption of fat-soluble vitamins, and the long-term outcome data is limited.
Psyllium. A soluble fibre that binds bile acids and increases their excretion, lowering LDL by a modest amount, with trial evidence. Cheap, safe, and it also helps constipation.
Red yeast rice — read this one carefully. Monascus purpureus fermented rice contains monacolin K, which is chemically identical to lovastatin. It is a statin. A supplement containing it is an unregulated, unstandardised statin with variable content, and the monacolin K content of products has been found to vary widely, sometimes to zero. Consequences: it can cause the same muscle and liver effects as a statin; it should not be combined with a prescribed statin; and it should not be taken in pregnancy. A person who wants a statin should have a regulated one, at a known dose, with monitoring.
Berberine. Lowers LDL and triglycerides modestly in small trials. It is a potent inhibitor of CYP3A4 and P-glycoprotein, which means it raises the levels of many co-administered drugs. It is also not for use in pregnancy.
Bergamot. Small trials show lipid effects from bergamot polyphenols. Note this is the juice/polyphenol extract, not the essential oil, and that bergamot as a citrus still carries grapefruit-like interaction potential.
Garlic and omega-3. Garlic has a small LDL effect in pooled analyses. Omega-3 (EPA/DHA) lowers triglycerides substantially at high doses but has not shown a consistent reduction in cardiovascular events in the large trials, and one major trial of a high-dose EPA product did show benefit — the picture is genuinely mixed and it is a conversation with a clinician, not a supplement decision.
The intervention with the best evidence is not any of these: reducing saturated and trans fat intake, and where a person's overall risk warrants it, a statin.
This meta-analysis demonstrates that garlic intake significantly improves key cardiovascular risk markers, including lipid profiles, glycemic indices, blood pressure, oxidative stress, and inflammatory biomarkers, particularly in adults with unfavorable baseline risk factors.PubMed 40580481 ↗
Aged garlic may be a beneficial complementary approach for reducing BP and lipid levels in specific populations.PubMed 40628369 ↗
Plantago is rich in soluble fiber, known for its beneficial health effects.PubMed 38688104 ↗
Further research on specific subpopulations and outcomes could establish a consensus on determining the clinical benefits and potential risks, if any, of this nutraceutical.PubMed 38794691 ↗
This meta-analysis demonstrates berberine's efficacy in improving liver enzymes, lipid profile, and insulin sensitivity in NAFLD patients.PubMed 38429794 ↗
(1) Background: The effect of garlic on glucose and lipid metabolism in humans remains controversial.PubMed 38892625 ↗
Plant sterols/stanols
Psyllium
Red yeast rice
Berberine
Garlic
Omega-3
The main intervention