Red Yeast Rice
Also known as: RYR, Monascus purpureus
Overview
Contains natural statins (monacolin K). Effective but needs same precautions as Rx statins.
Frequently Asked About Red Yeast Rice
How much Red Yeast Rice should I take?
When is the best time to take Red Yeast Rice?
Should I take Red Yeast Rice with food?
Does Red Yeast Rice interact with medications?
What does Red Yeast Rice pair well with?
Who should not take Red Yeast Rice?
What are the side effects of Red Yeast Rice?
Dosage
Ongoing for lipid management
High cholesterol, statin-intolerant
Research & Studies
We haven’t curated landmark studies for Red Yeast Riceyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Mechanism of Action
- • Contains monacolin K (lovastatin)
- • HMG-CoA reductase inhibition
- • LDL reduction
Evidence Quality
Contains natural statin compounds
Safety & Contraindications
- • Same as prescription statins (muscle damage, liver)
- • Contamination risk
- • Liver disease
- • Pregnancy
- • Concurrent statin use
- • Muscle pain
- • GI upset
- • Headache
Contraindicated
Monitor liver like statins
Interactions
- • Statins (never combine)
- • CYP3A4 inhibitors
- • Warfarin
- • MUST take with CoQ10
- • Avoid grapefruit
Stacking & Synergies
Buying Guide
- • Citrinin-free certified
- • Monacolin K standardized
- • MUST take CoQ10 with this
- • Same precautions as Rx statins
Top Products with Red Yeast Rice
Highest-scored catalog products containing Red Yeast Rice, ranked by our scoring engine.
Browse all Red Yeast Rice products →More in Heart Health
Other ingredients in the Heart Health category.
Cite this page
Formulate Research Team. (2026, June). Red Yeast Rice — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/red-yeast-rice
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.