Red Yeast Rice Ingredients & Drug Interactions
by HeartShape
What is this page for?
First and foremost: checking Red Yeast Rice against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Red Yeast Rice is a dietary supplement by HeartShape with 1 active ingredient. Its ingredients are commonly taken for high cholesterol, heart health, metabolic syndrome.Based on those ingredients, 477 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are organic Red Yeast Rice. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Red Yeast Rice by HeartShape
Ask about any prescription or over-the-counter medication and we check it for interactions with Red Yeast Rice by HeartShape — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Red Yeast Rice by HeartShape
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
This product contains one active ingredient: organic red yeast rice, a fermented rice product that naturally carries lovastatin, the same chemical found in some prescription statin medications. The supplement also includes organic brown rice and organic soy as inactive ingredients, all packaged in a vegetarian pullulan capsule.
Does it work?
Moderate evidence
Red yeast rice is possibly effective for HIV/AIDS-related dyslipidemia (abnormal cholesterol and triglyceride levels in people with HIV) and possibly effective for reducing the risk of heart attack. The evidence for these uses comes from clinical research, but the data we hold doesn't establish effectiveness for other cholesterol or heart conditions beyond these two.
How safe is it?
Well-documented data
Red yeast rice is generally well tolerated orally, though some people report abdominal discomfort, diarrhea, dizziness, flatulence, headache, heartburn, nausea, and — rarely — muscle pain (myopathy). Serious but uncommon reports include liver damage (hepatotoxicity) and severe muscle breakdown (rhabdomyolysis), likely tied to its lovastatin content.
Contaminated products have been associated with kidney damage. A small number of trial participants experienced rash, itching, or hair loss, and some cases of nerve tingling or inflammation have been reported.
Red yeast rice is likely unsafe during pregnancy because of its statin-like effects and should be avoided while breastfeeding due to insufficient safety data.
Meds to double-check
Moderate interaction found
Before taking this supplement, have your doctor or pharmacist review your medications for interactions with statins and lovastatin specifically. Pay special attention if you're on other cholesterol drugs (statins), cyclosporine, gemfibrozil, niacin, or any drug that inhibits the CYP3A4 enzyme — all are Moderate-severity concerns.
If you take a medication that can damage the liver, that's also a Moderate-severity interaction to discuss.
The bottom line
Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
Red yeast rice may help with cholesterol in people with HIV/AIDS and possibly reduce heart attack risk, but it acts like a prescription statin drug and carries similar risks — including muscle and liver damage. Anyone taking cholesterol drugs, immunosuppressants, fibrates, high-dose niacin, or medications that interact with statins should check with their doctor or pharmacist before starting.
Pregnant or breastfeeding individuals should avoid it. Because lovastatin content varies batch to batch, the dose you actually get is unpredictable.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jun 23, 2021.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Red Yeast Rice, straight from the product label.
| Brand | HeartShape |
|---|---|
| Barcode (UPC) | 813892004205 |
| Net contents | 240 Vegetarian Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jun 23, 2021 |
| DSLD ID | 249796 |
| Product type | Non-nutrient/non-botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegetarian, Adult (18 - 50 Years), Women (not pregnant or lactating), Organic, Sugar Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Red Yeast Rice by HeartShape, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| organic Red Yeast Rice | 1200 mg | -- |
Other ingredients: organic Brown Rice, organic Soy, Vegetarian Pullulan Capsule
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation
HeartShape Red Yeast Rice is produced by Sylvan Bio, Inc., the only U.S. producer of Red Yeast Rice.
This organic product is vegetarian, non-GMO and 100% grown, produced and bottled in the USA.
This organic product is vegetarian, non-GMO and 100% grown, produced and bottled in the USA.
Every batch is rigorously tested for consistency and quality. Red Yeast Rice is designed to be used by adults to help maintain healthy cholesterol levels, in combination with a healthy lifestyle.
Made in America with organic Red Yeast Rice
Natural approach Clinically tested Higher quality Helps maintain healthy cholesterol levels
Contains no artificial colors or flavors, corn, lactose, sugar or preservatives.
Grown and manufactured in the USA
Suggested/Recommended/Usage/Directions
Suggested Use: As a dietary supplement for adults, take two (2) capsules with water at mealtime or as directed by a licensed healthcare practitioner. You may take up to four (4) capsules daily (morning and evening) for maximum benefits. Do not exceed four (4) capsules in a 24-hour period.
Precautions
Warning: Do not use if you are pregnant, can become pregnant, or are nursing; have undergone an organ transplant or major surgery within the past 6 weeks; are under 20 years of age; have active liver disease or history of liver disease; consume more than 2 drinks of alcohol per day; are allergic to soy or rice products.
Warning: Do not use if you are pregnant, can become pregnant, or are nursing; have undergone an organ transplant or major surgery within the past 6 weeks; are under 20 years of age; have active liver disease or history of liver disease; consume more than 2 drinks of alcohol per day; are allergic to soy or rice products.
Warning: Do not use if you are pregnant, can become pregnant, or are nursing; have undergone an organ transplant or major surgery within the past 6 weeks; are under 20 years of age; have active liver disease or history of liver disease; consume more than 2 drinks of alcohol per day; are allergic to soy or rice products.
Should not be taken in combination with grapefruit products.
Warning: Cancer and reproductive harm www.P65warnings.ca.gov
Do not use if tamper seal is broken or missing.
Keep out of reach of children.
General Statements
This product was bottled according to the Natural Products Association's Good Manufacturing Practices (GMP).
Sylvan Bio
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Seals/Symbols
igen Informed Non-GMO Choices www.igenprogram.com
Brand IP Statement(s)
HeartShape is a registered trademark of Sylvan Bio, Inc.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Red Yeast Rice by HeartShape label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Red Yeast Rice by HeartShape
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size2 Capsule(s) Dosage formCapsule Servings per container120 Amounts shown are per serving.
Organic Red Yeast Rice
Interacts with477 drugs
Red yeast rice contains monacolin K, which is chemically identical to the prescription statin lovastatin, and it can lower LDL ('bad') cholesterol. Be...
Organic Red Yeast Rice monograph & interactionsOther (inactive) ingredients: Organic Brown Rice, Organic Soy, Vegetarian Pullulan Capsule. These complete the product’s ingredient list but are not active constituents.
Red Yeast Rice by HeartShape Drug Interactions
HelloPharmacist Interaction Report
HeartShape's Red Yeast Rice contains lovastatin, a statin drug naturally present in the supplement, and it interacts with a significant number of medications.
The most serious interactions are with other statins, cyclosporine, gemfibrozil, high-dose niacin, CYP3A4 inhibitors (a class of drugs that slow how your liver breaks down lovastatin), and hepatotoxic drugs (medications that can damage the liver). All of these are Moderate severity — meaning the combination could meaningfully increase your risk of muscle breakdown (myopathy or rhabdomyolysis), liver damage, or dangerously high lovastatin levels.
Read the full breakdown — every affected drug type, severity by severity
Because red yeast rice contains varying amounts of lovastatin depending on the batch, the exact dose you're getting isn't standardized. That unpredictability, combined with its statin-like effects, makes it especially important to check your exact medications before you start.
Altogether, these interactions span 478 individual medications.
If you take any prescription medication — especially cholesterol drugs, immunosuppressants like cyclosporine, fibrates, niacin, or drugs that affect how your liver works — run them through the checker below or talk with your doctor or pharmacist before adding this supplement. Product quality and lovastatin content can vary significantly between batches, which adds another layer of uncertainty.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Red Yeast Rice?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Red Yeast Rice interact with 477 drugs. Click any drug to see the details.
1 of the 1 ingredient in Red Yeast Rice interact with drugs. Each result below shows which ingredient is responsible. organic Red Yeast Rice
Acetaminophen, OxycodonePercocet, Roxicet, Tylox, Xartemis XR
How Acetaminophen, Oxycodone interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Oxycodone interactionAcetaminophen, Pamabrom, PyrilamineMidol Max Strength PMS, Pamprin, Pamprin ES
How Acetaminophen, Pamabrom, Pyrilamine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Pamabrom, Pyrilamine interactionAcetaminophen, PentazocineTalacen
How Acetaminophen, Pentazocine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Pentazocine interactionAcetaminophen, Phenylephrine, ChlorpheniramineSuper Cold Tabs
How Acetaminophen, Phenylephrine, Chlorpheniramine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Phenylephrine, Chlorpheniramine interactionAcetaminophen, PhenylpropanolamineTetra Caps
How Acetaminophen, Phenylpropanolamine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Phenylpropanolamine interactionAcetaminophen, Phenylpropanolamine, PhenyltoloxamineSinubid
How Acetaminophen, Phenylpropanolamine, Phenyltoloxamine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Phenylpropanolamine, Phenyltoloxamine interactionAcetaminophen, PhenyltoloxaminePercogesic, Relagesic
How Acetaminophen, Phenyltoloxamine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Phenyltoloxamine interactionAcetaminophen, Phenyltoloxamine, SalicylamideLobac
How Acetaminophen, Phenyltoloxamine, Salicylamide interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Phenyltoloxamine, Salicylamide interactionAcetaminophen, PropoxypheneDarvocet-N 100, Darvocet-N 50, E-Lor, Wygesic
How Acetaminophen, Propoxyphene interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Propoxyphene interactionAcetaminophen, PseudoephedrineChildren's Tylenol Sinus, Dristan N.D., Non-Aspirin Sinus, Ornex, Ornex-Max, Sinutab +5 more
How Acetaminophen, Pseudoephedrine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Pseudoephedrine interactionAcetaminophen, Pseudoephedrine, TriprolidineActifed Plus ES
How Acetaminophen, Pseudoephedrine, Triprolidine interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetaminophen, Pseudoephedrine, Triprolidine interactionAcetohexamideDymelor
How Acetohexamide interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Acetohexamide interactionAcitretinSoriatane
How Acitretin interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceCytochrome P450 3a4 (cyp3a4) Inhibitors Moderate
Interaction Summary
Theoretically, drugs that inhibit the CYP3A4 enzymes might increase levels of lovastatin from red yeast rice.
Read the full Organic Red Yeast Rice + Acitretin interactionAdagrasibKrazati
How Adagrasib interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs, Cytochrome P450 3a4 (cyp3a4) Inhibitors Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Adagrasib interactionAldesleukinProleukin
How Aldesleukin interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Aldesleukin interactionAlectinib HydrochlorideAlecensa
How Alectinib Hydrochloride interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Alectinib Hydrochloride interactionAllopurinolCaplenal, Cosuric, Rimapurinol, Zyloprim, Zyloric
How Allopurinol interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Allopurinol interactionAlogliptinNesina
How Alogliptin interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Alogliptin interactionAlogliptin, PioglitazoneOseni
How Alogliptin, Pioglitazone interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Alogliptin, Pioglitazone interactionAmbrisentanLetairis, Volibris
How Ambrisentan interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Ambrisentan interactionAminosalicylic AcidPaser
How Aminosalicylic Acid interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Aminosalicylic Acid interactionAmiodaroneCordarone, Pacerone
How Amiodarone interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs, Cytochrome P450 3a4 (cyp3a4) Inhibitors Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Amiodarone interactionAmoxicillinAmix, Amoram, Amoxident, Amoxil Capsules, Amoxil Injection, Galenamox +3 more
How Amoxicillin interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Amoxicillin interactionAmoxicillin VeterinaryBiomox
How Amoxicillin Veterinary interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Amoxicillin Veterinary interactionAmoxicillin, Clavulanate PotassiumAugmentin, Augmentin '125/31 SF', Augmentin '250/62 SF', Augmentin XR, Augmentin-Duo 400/57, Clavulin
How Amoxicillin, Clavulanate Potassium interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Amoxicillin, Clavulanate Potassium interactionAmoxicillin, Omeprazole Magnesium, RifabutinTalicia
How Amoxicillin, Omeprazole Magnesium, Rifabutin interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Amoxicillin, Omeprazole Magnesium, Rifabutin interactionAmphotericin, TetracyclineMysteclin-F
How Amphotericin, Tetracycline interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Amphotericin, Tetracycline interactionAmprenavirAgenerase
How Amprenavir interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceCytochrome P450 3a4 (cyp3a4) Inhibitors Moderate
Interaction Summary
Theoretically, drugs that inhibit the CYP3A4 enzymes might increase levels of lovastatin from red yeast rice.
Read the full Organic Red Yeast Rice + Amprenavir interactionAnidulafunginEraxis
How Anidulafungin interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Organic Red Yeast Rice + Anidulafungin interactionAntidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) InhibitorGlyxambi
How Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interacts with Red Yeast Rice — through 1 ingredient. Tap an ingredient for the detail:
Organic Red Yeast RiceCytochrome P450 3a4 (cyp3a4) Inhibitors Moderate
Interaction Summary
Theoretically, drugs that inhibit the CYP3A4 enzymes might increase levels of lovastatin from red yeast rice.
Read the full Organic Red Yeast Rice + Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Red Yeast Rice with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
organic Red Yeast Rice
Cyclosporine (Neoral, Sandimmune)
Theoretically, taking red yeast rice in combination with cyclosporine might increase the risk of myopathy.
Red yeast rice contains varying levels of the statin drug lovastatin. Cyclosporine has been reported to increase plasma levels of lovastatin by 5- to 20-fold, resulting in reports of myopathy and rhabdomyolysis.
Cytochrome P450 3A4 (Cyp3A4) Inhibitors
Theoretically, drugs that inhibit the CYP3A4 enzymes might increase levels of lovastatin from red yeast rice.
Red yeast rice contains varying levels of the statin drug lovastatin, which is metabolized by CYP3A4. Combining red yeast rice with CYP3A4 inhibitors might increase serum levels of lovastatin from red yeast rice.
Gemfibrozil (Lopid)
Theoretically, taking red yeast rice in combination with gemfibrozil might increase the risk of rhabdomyolysis.
Red yeast rice contains varying levels of the statin drug lovastatin. Gemfibrozil has been reported to increase the risk of rhabdomyolysis when used in combination with lovastatin.
Hepatotoxic Drugs
Theoretically, concomitant use might increase the risk of liver damage.
Red yeast rice contains varying levels of the drug lovastatin. Lovastatin can cause liver damage in some people. Some clinical research suggests that supplements containing red yeast rice might increase liver enzyme levels in some, but not all, participants. Cases of acute hepatitis have been associated with red yeast rice. Combining it with hepatotoxic drugs might further increase this risk.
Hmg-Coa Reductase Inhibitors ("Statins")
Theoretically, taking red yeast rice with other statins might increase the risk of potential adverse effects.
Red yeast rice contains varying levels of the statin drug lovastatin and might result in supratherapeutic levels when used with other statins. Based on evaluation of data from the US Food and Drug Administration's adverse event reporting system (FAERS), it is recommended that red yeast rice products be avoided in people taking prescription statins.
Niacin
Theoretically, taking red yeast rice in combination with high-dose niacin might increase the risk of rhabdomyolysis.
Red yeast rice contains varying levels of the statin drug lovastatin and has been linked to reports of myopathy. Niacin has been reported to increase the risk of rhabdomyolysis when used in combination with lovastatin.
Brand information
Manufacturer and brand details for Red Yeast Rice, from the product label.
HeartShape
See all HeartShape products- Name
- Sylvan Bio, Inc.
- Street Address
- 198 Nolte Drive
- City
- Kittanning
- State
- PA
- ZipCode
- 16201
- Phone Number
- 1-866-352-7520
- Web Address
- www.myheartshape.com
Red Yeast Rice by HeartShape: Common Questions
Does Red Yeast Rice by HeartShape interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this if I'm already on a statin?
Is red yeast rice really just a supplement, or is it a drug?
What are the most common side effects?
Is red yeast rice safe during pregnancy?
Does the dose matter if the amount of lovastatin changes between batches?
Does it actually work for high cholesterol?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Red Yeast Rice is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind Red Yeast Rice’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Red Yeast Rice's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 50 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Red Yeast Rice 50 references
- Hebel SK, ed. Drug Facts and Comparisons. 52nd ed. St. Louis: Facts and Comparisons, 1998.
- Heber D, Yip I, Ashley JM, et al. Cholesterol-lowering effects of a proprietary Chinese red-yeast-rice dietary supplement. Am J Clin Nutr 1999;69:231-6. PubMed
- Wang J, Lu A, Chi J. Multicenter clinical trial of the serum lipid-lowering effects of a monascus purpureus (red yeast) rice preparation from traditional Chinese medicine. Cur Ther Res 1997;58:964-78. DOI
- Wigger-Alberti W, Bauer A, Hipler UC, Elsner P. Anaphylaxis due to Monascus purpureus-fermented rice (red yeast rice). Allergy 1999;54:1330-1.
- Prasad GV, Wong T, Meliton G, Bhaloo S. Rhabdomyolysis due to red yeast rice (Monascus purpureus) in a renal transplant recipient. Transplantation 2002;74:1200-1. PubMed
- Heber D, Lembertas A, Lu QY, et al. An analysis of nine proprietary Chinese red yeast rice dietary supplements: implications of variability in chemical profile and contents. J Altern Complement Med 2001;7:133-9. PubMed
- Mueller PS. Symptomatic myopathy due to red yeast rice. Ann Intern Med 2006;145:474-5. PubMed
- Roselle H, Ekatan A, Tzeng J, et al. Symptomatic hepatitis associated with the use of herbal red yeast rice. Ann Intern Med 2008;149:516-7. PubMed
- Lapi F, Gallo E, Bernasconi S, et al. Myopathies associated with red yeast rice and liquorice: spontaneous reports from the Italian Surveillance System of Natural Health Products. Br J Clin Pharmacol 2008;66:572-74. PubMed
- Becker DJ, Gordon RY, Halbert SC, et al. Red yeast rice for dyslipidemia in statin-intolerant patients: A randomized trial. Ann Intern Med 2009;150:830-9. PubMed
- Halbert SC, French B, Gordon RY, et al. Tolerability of red yeast rice (2,400 mg twice daily) versus pravastatin (20 mg twice daily) in patients with previous statin intolerance. Am J Cardiol 2010;105:198-204. PubMed
- Gordon RY, Cooperman T, Obermeyer W, Becker DJ. Marked variability of monacolin levels in commercial red yeast rice products: buyer beware! Arch Intern Med 2010;170:1722-7. PubMed
- Karl M, Rubenstein M, Rudnick C, Brejda J. A multicenter study of nutraceutical drinks for cholesterol (evaluating effectiveness and tolerability). J Clin Lipidology 2012;6:150-158. PubMed
- Huang, J., Frohlich, J., and Ignaszewski, A. P. The impact of dietary changes and dietary supplements on lipid profile. Can J Cardiol 2011;27(4):488-505. PubMed
- Grieco, A., Miele, L., Pompili, M., Biolato, M., Vecchio, F. M., Grattagliano, I., and Gasbarrini, G. Acute hepatitis caused by a natural lipid-lowering product: when "alternative" medicine is no "alternative" at all. J Hepatol 2009;50(6):1273-1277. PubMed
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