InfoSynergy
Coenzyme Q10
CoQ10 is often paired with statin-like therapies because HMG-CoA reductase inhibition can reduce endogenous CoQ10 synthesis.
Recommendation: Reasonable adjunct, but it does not prevent all muscle toxicity; monitor symptoms.
Red Yeast Rice
Other ·Moderate evidence ·Reviewed May 2026
Red yeast rice is rice fermented with Monascus species and may contain monacolin K, which is chemically identical to lovastatin. It can lower LDL cholesterol when active monacolins are present, but product potency is highly variable and FDA restricts products with added or enhanced lovastatin-like content. Safety concerns mirror statins, including myopathy, liver injury, drug interactions, pregnancy risk, and citrinin contamination.
What it's good for
What to watch for
- Muscle pain, weakness, cramps, or rare rhabdomyolysis
- Elevated liver enzymes or hepatotoxicity
- GI upset, headache, or dizziness
- Pregnancy, trying to conceive, and breastfeeding
- Active liver disease, unexplained elevated liver enzymes, or heavy alcohol use
The bottom line
Evidence rating moderate. Most-documented uses: can lower ldl cholesterol when active monacolins are present, may reduce total cholesterol, may modestly lower triglycerides. 3 sources indexed (2018–2024), with 3 interaction records on file.
The science
How it works, mechanistically.
Core mechanism
Monacolin K inhibits HMG-CoA reductase, reducing hepatic cholesterol synthesis and increasing LDL receptor-mediated clearance, the same core mechanism as lovastatin. Other monacolins and fermentation products may contribute, but clinically meaningful lipid lowering generally implies statin-like exposure. Because monacolin content is often undisclosed or variable, dose-response and risk are less predictable than prescription statins.1,2
Class
Monacolin-containing fermented rice lipid product
Found in food
Traditional red yeast rice food ingredient, Commercial fermented rice products vary greatly in monacolin content
Low-status signs
None - red yeast rice is not an essential nutrient and has no deficiency state
Absorption
Fat-soluble; take with food
Dosing
Dosing & protocol.
Common range
Do not dose by red yeast rice milligrams alone; studies used 1,200-2,400 mg/day, but monacolin content varies widely and added or enhanced lovastatin-like products cannot be marketed as US dietary supplements
Recommended form
Citrinin-tested red yeast rice with transparent monacolin content where legally available; clinician-supervised use preferred
Take with food for tolerability. Avoid grapefruit-like CYP3A4 interaction contexts, alcohol excess, and combination with other statin-like or hepatotoxic products unless supervised.
Forms
Forms & what to buy.
Ranked by evidence and value.
Citrinin-Tested Red Yeast Rice Capsule Recommended
Testing reduces mycotoxin risk but does not guarantee predictable monacolin exposure. Take with food and monitor for muscle or liver symptoms.
Xuezhikang-Type Extract
More standardized fermented red yeast rice extract used in some Chinese trials. Use only with clinician oversight due to statin-like activity.
Unstandardized Red Yeast Rice Powder
Unpredictable monacolin and contaminant content. Avoid if monacolin and citrinin testing are absent.
Cost
What it actually costs.
Real-world pricing across three quality tiers. Assumes Citrinin-tested red yeast rice capsule.
BudgetBest value
$8 /mo
$0.25 per dose
Mid
$17 /mo
$0.55 per dose
Premium
$33 /mo
$1.10 per dose
Testing for citrinin and transparent monacolin content increase cost but are central to safety. Updated 2026-06-04.
Goals
Goal-based dosing.
LDL Cholesterol Support
Dose: Product-specific; studies used 1,200-2,400 mg/day but monacolin exposure is the safety-critical variable1
Timing: With meals
Recheck lipids and liver enzymes after 6-12 weeks; do not delay indicated statin therapy.
Statin-Adjacent Support
Dose: Clinician-directed only2
Timing: With evening meal if directed
Do not combine with prescription statins or fibrates unless clinician-supervised.
CoQ10 Support Pairing
Dose: Red yeast rice product-specific plus CoQ10 100-200 mg/day
Timing: With meals
CoQ10 may be reasonable but does not eliminate statin-like risks.
Lab work
Markers to track.
What to test, the optimal window inside the conventional range, and how long a response takes.
Low-Density Lipoprotein Cholesterol LDL-C
Can lower LDL-C when active monacolins are present.1,3
Optimal
0–70 mg/dL
Conventional
0–129 mg/dL
Responds in
6-12 weeks
0optimal129
Check a fasting or nonfasting lipid panel at baseline and again after the expected response window. Do not substitute supplement response for indicated statin or other prescription therapy.
Total cholesterolApoBNon-HDL cholesterolTriglycerides
Why people use it
Symptoms it's matched to.
Where this appears in the symptom-to-supplement map, ranked by relevance.
High LDL cholesterol
78% relevance
Monacolin K inhibits HMG-CoA reductase, lowering LDL-C similarly to lovastatin when present.1,2
CardiometabolicModerate evidenceCitrinin-tested red yeast rice
Requires lipid monitoring and statin-like safety review.
High total cholesterol
68% relevance
Reduced cholesterol synthesis can lower total cholesterol.1
CardiometabolicModerate evidenceTested product
Use risk-based medical care for cardiovascular prevention.
Statin-associated muscle concern
20% relevance
Some people seek red yeast rice after statin symptoms, but it can cause the same muscle toxicity.2,3
MusculoskeletalInsufficient evidenceAvoid unsupervised use
Do not use as a safer statin substitute without clinician guidance.
Safety
Full safety detail.
Side effects
- Muscle pain, weakness, cramps, or rare rhabdomyolysis
- Elevated liver enzymes or hepatotoxicity
- GI upset, headache, or dizziness
- Kidney injury risk if contaminated with citrinin or from rhabdomyolysis
- Drug interactions similar to lovastatin
Contraindications
- Pregnancy, trying to conceive, and breastfeeding
- Active liver disease, unexplained elevated liver enzymes, or heavy alcohol use
- History of statin-induced rhabdomyolysis or severe statin intolerance without clinician guidance2
- Use with statins, fibrates, cyclosporine, strong CYP3A4 inhibitors, or high-dose niacin without clinician supervision2
- Kidney disease or concern for citrinin-contaminated products
- Children and adolescents unless prescribed by a clinician
Interactions
Interaction records.
SeriousCaution
Green Tea Extract
Concentrated green tea extract can raise liver-injury risk, which may compound red yeast rice hepatotoxicity concerns.
Recommendation: Avoid high-dose EGCG with red yeast rice; monitor liver enzymes if clinically indicated.
ModerateCaution
Berberine
Both can lower lipids and may affect glucose; berberine also has CYP/P-gp interaction potential.
Recommendation: Use with clinician guidance if also taking lipid or diabetes medications; monitor glucose and lipid response.
Sources
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
1- 1Red Yeast Rice for Hyperlipidemia: A Meta-Analysis of 15 High-Quality Randomized Controlled TrialsNeeds sourceNo linkGerards MC et al. · Frontiers in Pharmacology · 2022
Pooled RCTs found reductions in LDL-C, total cholesterol, and triglycerides compared with controls.
Reference material
2- 2Red Yeast RiceNeeds sourceNo linkNational Center for Complementary and Integrative Health · NCCIH · 2024
Products with substantial monacolin K can act like statins and carry statin-like risks.
- 3Scientific opinion on the safety of monacolins in red yeast riceNeeds sourceNo linkEFSA Panel on Food Additives and Nutrient Sources added to Food · EFSA Journal · 2018
Monacolin exposure from red yeast rice can reach therapeutic lovastatin ranges and has been associated with severe adverse effects.
Keep exploring
Deep dives & adjacent profiles.
This page is educational. Do not start, stop, or change a supplement or medication based on it without checking with a qualified healthcare professional.
Use this with your stack
Red Yeast Rice in NutriStack.
Add it to your stack, see how it interacts with everything else you take, and get a Stack Score that updates the moment it does.