Coratin Ingredients & Drug Interactions
by Metagenics
What is this page for?
First and foremost: checking Coratin 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
Coratin is a dietary supplement by Metagenics with 4 active ingredients. Its ingredients are commonly taken for supporting normal blood clotting, bone health, heart and vascular health.Based on those ingredients, 479 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Red Yeast Rice, Menaquinone-4. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Coratin by Metagenics
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HelloPharmacist Scorecard of Coratin by Metagenics
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
Coratin has 4 active ingredients. Two are forms of vitamin K—menaquinone-4 and menaquinone-7—which your body uses to make clotting factors and support bone health.
The third is red yeast rice, a fermented rice product that contains lovastatin, a naturally occurring statin drug that helps lower cholesterol. The fourth is plant sterols, compounds from plants that also help manage cholesterol by blocking its absorption.
The product also contains several inactive ingredients—microcrystalline cellulose, croscarmellose sodium, magnesium stearate, silica, hypromellose, medium chain triglyceride, and hydroxypropyl cellulose—which are fillers, binders, and capsule materials.
Does it work?
Strong evidence
Vitamin K is effective for correcting vitamin K deficiency, including cases of low clotting factor levels and bleeding disorders, and is possibly effective for osteoporosis. Red yeast rice is possibly effective for high cholesterol related to HIV/AIDS and for heart attack prevention.
Plant sterols are likely effective for high cholesterol and possibly effective for heart disease. The evidence is established for cholesterol management with plant sterols; for the other uses, the data shows benefit but isn't as complete.
How safe is it?
Well-documented data
Vitamin K taken by mouth is generally well tolerated, though some people experience mild stomach upset, nausea, diarrhea, or abdominal pain. Red yeast rice is usually tolerated, but because it acts like a statin, it carries similar risks—muscle pain and breakdown are rare but serious.
The product quality and lovastatin content vary between brands. Plant sterols are generally well tolerated at typical amounts, though abdominal discomfort is possible since they affect how fat is absorbed in the gut.
During pregnancy, red yeast rice is rated likely unsafe because of its statin-like activity, and safety data for concentrated plant sterol supplements in pregnancy is limited, so caution is advised. Vitamin K is rated likely safe during pregnancy and lactation.
Meds to double-check
Major interaction found
Stop and check with your pharmacist before taking Coratin if you're on warfarin (Coumadin) or other blood thinners—vitamin K can reverse their effect (Major). Also double-check before starting if you take other statins, drugs that inhibit the liver enzyme CYP3A4, medications that can damage the liver, cyclosporine, gemfibrozil, niacin, or any cholesterol or heart medication, because red yeast rice's lovastatin content can interact with these at Moderate severity.
The bottom line
Scorecard at a glanceFully disclosed formula with clinical evidence supporting its stated purpose. Major medication interactions have been identified, and safety information is well characterized.
Coratin may help with bone health and cholesterol if you're not taking warfarin or other interacting medications. If you take any blood thinners, statins, immunosuppressants, or cholesterol-lowering drugs, check with your pharmacist first—the interactions are serious.
Pregnant women should avoid red yeast rice in this product. Talk to us before you start.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 4 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 18, 2023.
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 Coratin, straight from the product label.
| Brand | Metagenics |
|---|---|
| Barcode (UPC) | 755571931214 |
| Net contents | 60 Tablet(s) |
| Market status | On market |
| Date entered into DSLD | Jul 18, 2023 |
| DSLD ID | 295668 |
| Product type | Botanical With Nutrients |
| Supplement form | Tablet Or Pill |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Vegetarian, Adult (18 - 50 Years), Women (not pregnant or lactating), Gluten 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 Coratin by Metagenics, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Menaquinone-4 | 50 mcg | -- |
| Menaquinone-7 | 10 mcg | -- |
| Red Yeast Rice | 600 mg | -- |
| Plant Sterols | 400 mg | -- |
Other ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Magnesium Stearate, Silica, Hypromellose, Medium Chain Triglyceride, Hydroxypropyl Cellulose
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.
Formula
Coratin features red yeast rice and a balanced combination of plant sterols. Vitamin K2 has been added in specific forms for better utilization.
Red yeast rice & plant sterol combination
Suggested/Recommended/Usage/Directions
Directions: Take one tablet twice daily with food or as directed by your healthcare practitioner.
Formulation
This product is non-GMO, gluten-free, and vegetarian.
This product is non-GMO, gluten-free, and vegetarian.
This product is tested by a third party laboratory and contains no measurable levels of citrinin.
Precautions
Warning: Avoid use in pregnancy and breastfeeding.
Avoid consuming grapefruit or grapefruit juice while taking this product.
Caution: If you have a history of liver disease or are taking medication including any anticoagulants or statins, please consult your healthcare practitioner before use.
Practitioner Exclusive
Contains: Soy
Storage
Storage: Keep tightly closed in a cool, dry place.
Seals/Symbols
Certified Gluten-Free gfco.org
FDA Statement of Identity
Dietary Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Coratin by Metagenics 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 Coratin by Metagenics
These are the 4 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Tablet(s) Dosage formTablet Or Pill Servings per container60 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Menaquinone-4
Interacts with2 drugs
Vitamin K is an essential nutrient your body needs for normal blood clotting and to support healthy bones. Most people get enough from food, but suppl...
Menaquinone-4 monograph & interactionsMenaquinone-7
Interacts with2 drugs
Vitamin K is an essential nutrient your body needs for normal blood clotting and to support healthy bones. Most people get enough from food, but suppl...
Menaquinone-7 monograph & interactionsRed 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...
Red Yeast Rice monograph & interactionsPlant Sterols
No knowninteractions
Plant sterols (and their close relatives, plant stanols) are natural compounds found in plants that can modestly lower LDL ('bad') cholesterol when ta...
Plant Sterols monograph & interactionsOther (inactive) ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Magnesium Stearate, Silica, Hypromellose, Medium Chain Triglyceride, Hydroxypropyl Cellulose. These complete the product’s ingredient list but are not active constituents.
Coratin by Metagenics Drug Interactions
HelloPharmacist Interaction Report
Coratin by Metagenics contains two forms of vitamin K and red yeast rice, both of which carry documented interactions with medications.
The most serious concern is a Major interaction with warfarin (Coumadin), a blood thinner: vitamin K can directly reverse warfarin's anticoagulant effect, making the blood thinner less able to prevent clots. This applies to both menaquinone-4 and menaquinone-7 in this product.
Read the full breakdown — every affected drug type, severity by severity
Red yeast rice contains varying amounts of lovastatin, a statin drug, and interacts with several medication types at Moderate severity. These include other statins (which might raise lovastatin levels too high), drugs that inhibit liver enzyme CYP3A4 (which can boost lovastatin blood levels), medications that damage the liver, cyclosporine (an immunosuppressant that can increase lovastatin levels 5- to 20-fold), gemfibrozil and niacin (cholesterol and heart drugs that raise the risk of muscle breakdown), and others.
Plant sterols, the fourth ingredient, has no known interactions documented in our data.
Altogether, these interactions span 480 individual medications. Because warfarin is so common and the interaction so serious, check your exact medications with the search tool on this page before you start.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Coratin?
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 Coratin interact with 479 drugs. Click any drug to see the details.
2 of the 4 ingredients in Coratin interact with drugs. Each result below shows which ingredient is responsible. Red Yeast Rice Menaquinone-4
WarfarinWarfarin
How Warfarin interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Menaquinone-7Warfarin (coumadin) Major
Interaction Summary
Vitamin K can antagonize and reverse the therapeutic effects of warfarin.
Read the full Menaquinone-7 + Warfarin interactionWarfarin SodiumCoumadin, Panwarfin, Sofarin
How Warfarin Sodium interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Menaquinone-7Warfarin (coumadin) Major
Interaction Summary
Vitamin K can antagonize and reverse the therapeutic effects of warfarin.
Read the full Menaquinone-7 + Warfarin Sodium interaction6-mercaptopurinePurinethol
How 6-mercaptopurine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + 6-mercaptopurine interactionAbacavir Sulfate, Dolutegravir, LamivudineTriumeq
How Abacavir Sulfate, Dolutegravir, Lamivudine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Abacavir Sulfate, Dolutegravir, Lamivudine interactionAbacavir, LamivudineEpzicom
How Abacavir, Lamivudine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Abacavir, Lamivudine interactionAbametapirXeglyze
How Abametapir interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
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 Red Yeast Rice + Abametapir interactionAbiraterone
How Abiraterone interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceCytochrome P450 3a4 (cyp3a4) Inhibitors, Hepatotoxic Drugs Moderate
Interaction Summary
Theoretically, drugs that inhibit the CYP3A4 enzymes might increase levels of lovastatin from red yeast rice.
Read the full Red Yeast Rice + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Abiraterone Acetate interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acarbose interactionAcebutololRhotral, Sectral
How Acebutolol interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acebutolol interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with Coratin — through 1 ingredient. Tap an ingredient for the detail:
Red Yeast RiceHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, concomitant use might increase the risk of liver damage.
Read the full Red Yeast Rice + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Coratin with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
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.
Menaquinone-4
Warfarin (Coumadin)
Vitamin K can antagonize and reverse the therapeutic effects of warfarin.
Vitamin K antagonizes the effects of warfarin. Excessive vitamin K intake, either from supplements or from changes in the diet, can reduce the anticoagulant effect of warfarin.
Brand information
Manufacturer and brand details for Coratin, from the product label.
Metagenics
See all Metagenics products- Name
- Metagenics
- City
- Gig Harbor
- State
- WA
- ZipCode
- 98332
- Phone Number
- 800 692 9400
- Web Address
- metagenics.com
Coratin by Metagenics: Common Questions
Does Coratin by Metagenics interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
I'm on warfarin. Can I take Coratin?
What's red yeast rice, and why is it in here?
Can I take this while pregnant?
What are the most common side effects?
Does this really work for cholesterol?
Are there fillers or other inactive ingredients?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Coratin 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 Coratin’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Vitamin K
Interacts with 2 drugsVitamin K is an essential nutrient your body needs for normal blood clotting and to support healthy bones. Most people get enough from food, but supplements are sometimes used for deficiency...
Read the full Vitamin K monograph → Herb & supplement monographRed Yeast Rice
Interacts with 477 drugsRed yeast rice contains monacolin K, which is chemically identical to the prescription statin lovastatin, and it can lower LDL ('bad') cholesterol. Because of this, it carries the same risks...
Read the full Red Yeast Rice monograph → Herb & supplement monographPlant Sterols
Plant sterols (and their close relatives, plant stanols) are natural compounds found in plants that can modestly lower LDL ('bad') cholesterol when taken regularly in adequate amounts, usual...
Read the full Plant Sterols monograph →Sources & How We Checked
Coratin'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 64 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.
Vitamin K 11 references
- McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
- Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington, DC: National Academy Press, 2002.
- Crowther MA, Ageno W, Garcia D, et al. Oral vitamin K versus placebo to correct excessive anticoagulation in patients receiving warfarin: a randomized trial. Ann Intern Med. 2009;150(5):293-300. PubMed
- Dietary vitamin K guidance: an effective strategy for stable control of oral anticoagulation? Nutr Rev. 2010;68(3):178-81. PubMed
- Kim JS, Nafziger AN, Gaedigk A, et al. Effects of oral vitamin K on S- and R-warfarin pharmacokinetics and pharmacodynamics: enhanced safety of warfarin as a CYP2C9 probe. J Clin Pharmacol. 2001 Jul;41(7):715-22. PubMed
- Riegert-Johnson, D. L. and Volcheck, G. W. The incidence of anaphylaxis following intravenous phytonadione (vitamin K1): a 5-year retrospective review. Ann.Allergy Asthma Immunol. 2002;89(4):400-406. PubMed
- Dezee, K. J., Shimeall, W. T., Douglas, K. M., Shumway, N. M., and O'malley, P. G. Treatment of excessive anticoagulation with phytonadione (vitamin K): a meta-analysis. Arch.Intern.Med. 2-27-2006;166(4):391-397. DOI
- Dentali, F., Ageno, W., and Crowther, M. Treatment of coumarin-associated coagulopathy: a systematic review and proposed treatment algorithms. J.Thromb.Haemost. 2006;4(9):1853-1863. PubMed
- Caluwé R, Vandecasteele S, Van Vlem B, Vermeer C, De Vriese AS. Vitamin K2 supplementation in haemodialysis patients: a randomized dose-finding study. Nephrol Dial Transplant. 2014;29(7):1385-90.
- Huang ZB, Wan SL, Lu YJ, Ning L, Liu C, Fan SW. Does vitamin K2 play a role in the prevention and treatment of osteoporosis for postmenopausal women: a meta-analysis of randomized controlled trials. Osteoporos Int. 2015;26(3):1175-86. PubMed
- Hunnali CR, Devi U, Kitchanan S, Sethuraman G. Three Different Regimens for Vitamin K Birth Prophylaxis in Infants Born Preterm: A Randomized Clinical Trial. J Pediatr 2023;255:98-104. PubMed
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
- Smith, D. J. and Olive, K. E. Chinese red rice-induced myopathy. South.Med J 2003;96(12):1265-1267. PubMed
- Liu, B. H., Wu, T. S., Su, M. C., Chung, C. P., and Yu, F. Y. Evaluation of citrinin occurrence and cytotoxicity in Monascus fermentation products. J Agric.Food Chem. 1-12-2005;53(1):170-175.
- Lin, C. C., Li, T. C., and Lai, M. M. Efficacy and safety of Monascus purpureus Went rice in subjects with hyperlipidemia. Eur J Endocrinol 2005;153(5):679-686. PubMed
- Zhao, S. P., Lu, Z. L., Du, B. M., Chen, Z., Wu, Y. F., Yu, X. H., Zhao, Y. C., Liu, L., Ye, H. J., and Wu, Z. H. Xuezhikang, an extract of cholestin, reduces cardiovascular events in type 2 diabetes patients with coronary heart disease: subgroup analysis
- Lu, Z., Kou, W., Du, B., Wu, Y., Zhao, S., Brusco, O. A., Morgan, J. M., Capuzzi, D. M., and Li, S. Effect of Xuezhikang, an extract from red yeast Chinese rice, on coronary events in a Chinese population with previous myocardial infarction. Am J Cardiol PubMed
- Li, J. J., Lu, Z. L., Kou, W. R., Chen, Z., Wu, Y. F., Yu, X. H., and Zhao, Y. C. Beneficial impact of Xuezhikang on cardiovascular events and mortality in elderly hypertensive patients with previous myocardial infarction from the China Coronary Secondary
- Li, J. J., Lu, Z. L., Kou, W. R., Chen, Z., Wu, Y. F., Yu, X. H., and Zhao, Y. C. Impact of Xuezhikang on coronary events in hypertensive patients with previous myocardial infarction from the China Coronary Secondary Prevention Study (CCSPS). Ann Med 2010 PubMed
- Li, J. J., Lu, Z. L., Kou, W. R., Chen, Z., Wu, Y. F., Yu, X. H., and Zhao, Y. C. Long-term effects of Xuezhikang on blood pressure in hypertensive patients with previous myocardial infarction: data from the Chinese Coronary Secondary Prevention Study (CC
- Liu, Z. L., Liu, J. P., Zhang, A. L., Wu, Q., Ruan, Y., Lewith, G., and Visconte, D. Chinese herbal medicines for hypercholesterolemia. Cochrane Database Syst Rev 2011;(7):CD008305. PubMed
- Chagas, G. M., Kluppel, M. L., Campello, Ade P., Buchi, Dde F., and de Oliveira, M. B. Alterations induced by citrinin in cultured kidney cells. Cell Struct.Funct. 1994;19(2):103-108. PubMed
- Krejci, M. E., Bretz, N. S., and Koechel, D. A. Citrinin produces acute adverse changes in renal function and ultrastructure in pentobarbital-anesthetized dogs without concomitant reductions in [potassium] plasma. Toxicology 1-8-1996;106(1-3):167-177. PubMed
- Blanc PJ, Laussac JP, Le Bars J, et al. Characterization of monascidin A from Monascus as citrinin. Int J Food Microbiol. 1995;27(2-3):201-213. PubMed
- Lu, Z. L., Xu, S., and Kou, W. R. The clinical observation of treatment of hyperlipidemia with different dose of Xuezhikang. National Symposium of Clinical Therapies for Cardiovascular Diseases 1995;1997:53-57.
- Bonovich, K., Colfer, H., Petoskey, M. I., and et al. A multi-center, self-controlled study of cholestin in subjects with elevated cholesterol. Journal of Investigative Medicine 1999;47(2):54A.
- Pisciotta, L., Boscarini, M., and Corio, R. Studi clinici su Normolip5, integratore alimentare per il controllo del colesterolo. Medicina Naturale 2004;68-70.
- Barrat E, Zaïr Y, Sirvent P, et al. Effect on LDL-cholesterol of a large dose of a dietary supplement with plant extracts in subjects with untreated moderate hypercholesterolaemia: a randomised, double-blind, placebo-controlled study. Eur J Nutr. 2013;52( PubMed
- Kumari S, Sherriff JM, Spooner D, Beckett R. Peripheral neuropathy induced by red yeast rice in a patient with a known small bowel gastrointestinal tumour. BMJ Case Rep. 2013;2013. PubMed
- Mazzanti G, Moro PA, Raschi E, Da Cas R, Menniti-Ippolito F. Adverse reactions to dietary supplements containing red yeast rice: assessment of cases from the Italian surveillance system. Br J Clin Pharmacol 2017;83(4):894-908. PubMed
- Gerards MC, Terlou RJ, Yu H, Koks CH, Gerdes VE. Traditional Chinese lipid-lowering agent red yeast rice results in significant LDL reduction but safety is uncertain - a systematic review and meta-analysis. Atherosclerosis. 2015;240(2):415-23. doi: 10.101 PubMed
- Venhuis BJ, van Hunsel F, van de Koppel S, Keizers PH, Jeurissen SM, De Kaste D. Pharmacologically effective red yeast rice preparations marketed as dietary supplements illustrated by a case report. Drug Test Anal. 2016;8(3-4):315-8. doi: 10.1002/dta.1929 PubMed
- Raschi E, Girardi A, Poluzzi E, et al. Adverse events to food supplements containing red yeast rice: comparative analysis of FAERS and CAERS reporting systems. Drug Saf 2018;41(8):745-52. doi: 10.1007/s40264-018-0661-3. PubMed
- Mercurio V, Pucci G, Bosso G, et al. A nutraceutical combination reduces left ventricular mass in subjects with metabolic syndrome and left ventricular hypertrophy: A multicenter, randomized, double-blind, placebo-controlled trial. Clin Nutr. 2020;39(5):1 PubMed
- Prescribing Information. Mevacor (lovastatin). Whitehouse Station, NJ: Merck & Co., Inc., February 2012.
- Cicero AFG, Kennedy C, Knezevic T, et al. Efficacy and Safety of Armolipid Plus(®): An Updated PRISMA Compliant Systematic Review and Meta-Analysis of Randomized Controlled Clinical Trials. Nutrients 2021;13(2):638. PubMed
- Cicero AFG, Bove M, Cincione RI, Fogacci F, Veronesi M. Effect of combined lipid-lowering and antioxidant nutraceutical on plasma lipids, endothelial function, and estimated cardiovascular disease risk in moderately hypercholesterolemic patients: a double
- 7-20-21 FDA Drug Safety Communication. FDA requests removal of strongest warning against using cholesterol-lowering statins during pregnancy; still advises most pregnant patients should stop taking statins. Available at: https://www.fda.gov/drugs/drug-s
- García-García MD, Bellido Muñoz F, Cordero Ruiz P, Caunedo Álvarez Á. Drug-induced liver injury associated to red yeast rice. Rev Esp Enferm Dig 2023. PubMed
- Santos S, Gomes S, Carvalho I, Bonito I, Carmo C. Rhabdomyolysis Related to Red Yeast Rice Ingestion. Cureus 2023;15(1):e33532. PubMed
- Banach M, Norata GD. Rhabdomyolysis or severe acute hepatitis associated with the use of red yeast rice extracts: an update from the adverse event reporting systems. Curr Atheroscler Rep 2023;25(11):879-888. PubMed
- Wang YH, Zhang SS, Li HT, Zhi HW, Wu HY. Rhabdomyolysis-induced acute kidney injury after administration of a red yeast rice supplement: A case report. World J Clin Cases 2023;11(23):5547-5553. PubMed
- Norata GD, Banach M. The Impact of Red Yeast Rice Extract Use on the Occurrence of Muscle Symptoms and Liver Dysfunction: An Update from the Adverse Event Reporting Systems and Available Meta-Analyses. Nutrients 2024;16(3):444. PubMed
- Trogkanis E, Karalexi MA, Sergentanis TN, Kornarou E, Vassilakou T. Safety and Efficacy of the Consumption of the Nutraceutical "Red Yeast Rice Extract" for the Reduction of Hypercholesterolemia in Humans: A Systematic Review and Meta-Analysis. Nutrients PubMed
- Maiguma M, Kihara M, Hamaguchi M, et al. Successful treatment of acute tubulointerstitial nephritis probably due to Benikoji CholesteHelp(®), a supplement containing red yeast rice. CEN Case Rep 2024. PubMed
- Oda K, Murata T, Tanaka F, et al. A case of acute kidney injury and Fanconi syndrome while taking multiple supplements, including Red Yeast Rice Cholesterol Help(®). CEN Case Rep 2024. PubMed
- Miyazaki R, Takahashi Y, Kawamura T, Ueda H, Tsuboi N, Yokoo T. Acute kidney tubular injury after ingestion of red yeast rice supplement. Clin Kidney J 2024;17(6):sfae151. PubMed
Plant Sterols 3 references
- Guardamagna, O., Abello, F., Baracco, V., Federici, G., Bertucci, P., Mozzi, A., Mannucci, L., Gnasso, A., and Cortese, C. Primary hyperlipidemias in children: effect of plant sterol supplementation on plasma lipids and markers of cholesterol synthesis a
- Haque Hussain SS, Weir J, Roberts N. Severe dermatitis secondary to plant sterol supplements. Clin Exp Dermatol. 2009 Oct;34(7):e276-7. PubMed
- Xue P, Wang Y, Chen Y, et al. A Case of Peripheral Precocious Puberty May Be Caused by a Diet Containing Phytosterols in a 20-Month-Old Boy. Horm Res Paediatr 2022;95(5):484-491. PubMed
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