Glucosamine MSM Chondroitin Ingredients & Drug Interactions
by BioCare
What is this page for?
First and foremost: checking Glucosamine MSM Chondroitin 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
Glucosamine MSM Chondroitin is a dietary supplement by BioCare with 3 active ingredients. Its ingredients are commonly taken for osteoarthritis, joint pain and stiffness, cartilage support.Based on those ingredients, 170 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Glucosamine Hydrochloride, Chondroitin Sulfate. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Glucosamine MSM Chondroitin by BioCare
Ask about any prescription or over-the-counter medication and we check it for interactions with Glucosamine MSM Chondroitin by BioCare — 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 Glucosamine MSM Chondroitin by BioCare
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 three active ingredients. Glucosamine Hydrochloride and Glucosamine are forms of glucosamine, an amino sugar your body uses in cartilage and connective tissue — both are included here.
Chondroitin Sulfate is a compound found naturally in cartilage that may help retain water and cushioning in joints. The third ingredient is methylsulphonylmethane (MSM), which is sometimes included in joint-support formulas.
The product also contains several inactive ingredients: microcrystalline cellulose, silicon dioxide, and ascorbyl palmitate (a form of vitamin C).
Does it work?
Strong evidence
Glucosamine is likely effective for osteoarthritis — the evidence supports its use for joint pain and stiffness in that condition. Chondroitin sulfate is possibly effective for both osteoarthritis and cataracts.
The evidence is insufficient to rate either ingredient for aging skin, back pain, or several other conditions we track. We hold no effectiveness data for MSM in this product.
How safe is it?
Well-documented data
Both glucosamine and chondroitin sulfate are generally well tolerated for short-term use by mouth, though quality varies between products and long-term benefit is uncertain. The most common side effects are digestive: bloating, constipation, diarrhea, cramps, heartburn, and nausea.
Rare serious effects include liver damage (reported with chondroitin) and severe allergic reactions with glucosamine (anaphylaxis in about 1.5% of hypersensitivity cases reported). Skin symptoms like rash, swelling, hair loss, and photosensitivity (sun-triggered reactions) have been reported with both ingredients, especially in combination.
Asthma flare-ups have also been reported with glucosamine-chondroitin products. The safety data advises against use during pregnancy and while breastfeeding — there isn't enough information to know whether these ingredients are safe at those times.
If you're pregnant, nursing, or planning either, talk with your doctor or pharmacist before taking this product.
Meds to double-check
Major interaction found
Check before starting if you take warfarin (Coumadin) or other blood thinners — glucosamine and chondroitin can increase their effects and your bleeding risk. If you're on chemotherapy drugs like etoposide or doxorubicin, talk with your oncologist.
Let your pharmacist know if you take acetaminophen (Tylenol) regularly or antidiabetes medications. Bring your full medication list in — no interactions are documented for the MSM component, but your pharmacist can cross-check everything.
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.
This product may be worth considering if you have osteoarthritis and want to try glucosamine and chondroitin. But if you're on warfarin or chemotherapy, or if you're pregnant or breastfeeding, check with your pharmacist or doctor first.
Digestive side effects are common, and quality varies across brands.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 2 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 24, 2024.
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 Glucosamine MSM Chondroitin, straight from the product label.
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 Glucosamine MSM Chondroitin by BioCare, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Glucosamine Hydrochloride | 1262 mg | -- |
| Chondroitin Sulfate | 200 mg | -- |
| Glucosamine | 1000 mg | -- |
| Methylsulphonylmethane | 1000 mg | -- |
Other ingredients: Glucosamine Hydrochloride, Microcrystalline Cellulose, Silicon Dioxide, Chondroitin Sulphate, Ascorbyl Palmitate, Silicon Dioxide
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.
Suggested/Recommended/Usage/Directions
Directions: 1 tablet taken twice daily with food, or as professionally directed.
Precautions
This product should not be used as a substitute for a varied diet and healthy lifestyle. Do not exceed the stated recommended daily intake. Do not purchase if the seal is broken.
Keep out of reach of children.
If you are under medical supervision, please consult a doctor before use.
Allergen information: See ingredients in bold. (Crustaceans) (Fish, Molluscs)
Storage
Store in a cool, dry place.
Formula
Glucosamine 1000 mg provided by Glucosamine Hydrochloride 1262 mg.
Formulation
High potency nutrient complex
FDA Statement of Identity
Food Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Glucosamine MSM Chondroitin by BioCare 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 Glucosamine MSM Chondroitin by BioCare
These are the 3 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Tablet(s) Dosage formTablet Or Pill Servings per container45 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.
Glucosamine Hydrochloride
Interacts with170 drugs
Glucosamine is a natural compound found in cartilage and joint fluid, and it is one of the most popular supplements for osteoarthritis, especially of...
Glucosamine Hydrochloride monograph & interactionsChondroitin Sulfate
Interacts with2 drugs
Chondroitin sulfate is a naturally occurring building block of cartilage that is widely taken, often with glucosamine, for osteoarthritis joint pain....
Chondroitin Sulfate monograph & interactionsMethylsulphonylmethane
Other (inactive) ingredients: Glucosamine Hydrochloride, Microcrystalline Cellulose, Silicon Dioxide, Chondroitin Sulphate, Ascorbyl Palmitate, Silicon Dioxide. These complete the product’s ingredient list but are not active constituents.
Glucosamine MSM Chondroitin by BioCare Drug Interactions
HelloPharmacist Interaction Report
BioCare's Glucosamine MSM Chondroitin contains two ingredients with documented drug interactions: glucosamine and chondroitin sulfate.
The most serious concern is glucosamine with warfarin (Coumadin), a blood thinner (anticoagulant). Glucosamine can increase warfarin's blood-thinning effects and raise your bleeding risk — case reports show significant increases in INR (a measure of how thin your blood is) in patients previously stable on the drug.
Read the full breakdown — every affected drug type, severity by severity
Chondroitin also interacts with warfarin, though the effect is less clear when chondroitin is used alone; combined with glucosamine, the anticoagulant effect may be stronger. Glucosamine carries a documented Moderate interaction with topoisomerase II inhibitors (chemotherapy drugs like etoposide and doxorubicin) — in-lab research suggests it might reduce their effectiveness, though this hasn't been reported in actual patients.
There's also a Minor interaction with antidiabetes drugs: despite earlier concerns, current evidence suggests glucosamine is unlikely to interfere with them, and a Minor interaction with acetaminophen (Tylenol), where acetaminophen might reduce glucosamine's pain-relief effects.
We could not check the third ingredient, methylsulphonylmethane (MSM), because we hold no interaction data for it. Altogether, these interactions span 169 individual medications.
Run your exact medications through the checker below before you start.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Glucosamine MSM Chondroitin?
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 Glucosamine MSM Chondroitin interact with 170 drugs. Click any drug to see the details.
2 of the 3 ingredients in Glucosamine MSM Chondroitin interact with drugs. Each result below shows which ingredient is responsible. Glucosamine Hydrochloride Chondroitin Sulfate
WarfarinWarfarin
How Warfarin interacts with Glucosamine MSM Chondroitin — through 2 ingredients. Tap an ingredient for the detail:
GlucosamineWarfarin (coumadin) Major
Interaction Summary
Glucosamine might increase the anticoagulant effects of warfarin and increase the risk of bruising and bleeding.
Read the full Glucosamine + Warfarin interactionChondroitin SulfateWarfarin (coumadin) Moderate
Interaction Summary
Taking chondroitin in combination with glucosamine might increase the anticoagulant effects of warfarin.
Read the full Chondroitin Sulfate + Warfarin interactionWarfarin SodiumCoumadin, Panwarfin, Sofarin
How Warfarin Sodium interacts with Glucosamine MSM Chondroitin — through 2 ingredients. Tap an ingredient for the detail:
GlucosamineWarfarin (coumadin) Major
Interaction Summary
Glucosamine might increase the anticoagulant effects of warfarin and increase the risk of bruising and bleeding.
Read the full Glucosamine + Warfarin Sodium interactionChondroitin SulfateWarfarin (coumadin) Moderate
Interaction Summary
Taking chondroitin in combination with glucosamine might increase the anticoagulant effects of warfarin.
Read the full Chondroitin Sulfate + Warfarin Sodium interactionDaunorubicin CitrateDaunoXome
How Daunorubicin Citrate interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Daunorubicin Citrate interactionDaunorubicin HydrochlorideCerubidine
How Daunorubicin Hydrochloride interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Daunorubicin Hydrochloride interactionDaunorubicin, CytarabineVyxeos
How Daunorubicin, Cytarabine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Daunorubicin, Cytarabine interactionDoxorubicinAdriamycin, Caelyx, Doxil, Myocet, Rubex
How Doxorubicin interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Doxorubicin interactionEpirubicinEllence
How Epirubicin interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Epirubicin interactionEtoposideEtopophos, VePesid, VP16
How Etoposide interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Etoposide interactionIdarubicinIdamycin
How Idarubicin interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Idarubicin interactionIrinotecanCamptosar, Onivyde
How Irinotecan interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Irinotecan interactionIrinotecan Hydrochloride
How Irinotecan Hydrochloride interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Irinotecan Hydrochloride interactionMitoxantroneNovantrone
How Mitoxantrone interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Mitoxantrone interactionTeniposideVumon
How Teniposide interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Teniposide interactionTopotecanHycamtin
How Topotecan interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Topotecan interactionValrubicinValstar
How Valrubicin interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineTopoisomerase Ii Inhibitors Moderate
Interaction Summary
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
Read the full Glucosamine + Valrubicin interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAntidiabetes Drugs Minor
Interaction Summary
Despite initial concerns, it is unlikely that glucosamine will interfere with the effects of antidiabetes drugs.
Read the full Glucosamine + Acarbose interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + 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 Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Glucosamine MSM Chondroitin — through 1 ingredient. Tap an ingredient for the detail:
GlucosamineAcetaminophen (tylenol, Others) Minor
Interaction Summary
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Read the full Glucosamine + Acetaminophen, Caffeine, Isometheptene interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Glucosamine MSM Chondroitin 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.
Glucosamine Hydrochloride
Warfarin (Coumadin)
Glucosamine might increase the anticoagulant effects of warfarin and increase the risk of bruising and bleeding.
In two individual case reports, glucosamine/chondroitin combinations were associated with a significant increase in international normalized ratio (INR) in patients previously stabilized on warfarin. In one case, the increase in INR occurred only after tripling the dose of a glucosamine/chondroitin supplement from 500 mg/400 mg daily to 1500/1200 mg daily. Additionally, 20 voluntary case reports to the U.S. Food & Drug Administration (FDA) have linked glucosamine plus chondroitin with increased INR, bruising, and bleeding in patients who were also taking warfarin. There have also been 20 additional case reports to the World Health Organization (WHO) that link glucosamine alone to increased INR in patients taking warfarin. The mechanism of this interaction is unclear. Glucosamine is a small component of heparin, but is not thought to have anticoagulant activity; however, animal research suggests that it might have antiplatelet activity.
Topoisomerase Ii Inhibitors
Theoretically glucosamine may induce resistance to topoisomerase II inhibitors.
In vitro research suggests that glucosamine might induce resistance to etoposide (VP16, VePesid) and doxorubicin (Adriamycin) by reducing inhibition of topoisomerase II, an enzyme required for DNA replication in tumor cells. This effect has not been reported in humans.
Acetaminophen (Tylenol, Others)
Acetaminophen might interfere with the activity of glucosamine sulfate by interacting with the sulfate portion.
Anecdotal reports suggest that adding glucosamine to an acetaminophen regimen might decrease pain control in patients with osteoarthritis. Some research suggests that the sulfate portion of glucosamine sulfate might contribute to its effect in osteoarthritis. Since acetaminophen metabolism requires sulfur and reduces serum sulfate concentrations, acetaminophen could theoretically interfere with the action of glucosamine sulfate. Conversely, the administration of sulfate could theoretically decrease the effectiveness of acetaminophen in sulfate-deficient people by increasing its clearance.
Antidiabetes Drugs
Despite initial concerns, it is unlikely that glucosamine will interfere with the effects of antidiabetes drugs.
In vitro and animal research has suggested that glucosamine might increase insulin resistance or decrease insulin production. This has raised concerns that taking glucosamine might worsen diabetes and decrease the effectiveness of diabetes drugs. However, clinical research suggests that glucosamine does not have adverse effects on blood glucose or glycated hemoglobin (HbA1C) in healthy, obese, or type 2 diabetes patients.
Chondroitin Sulfate
Warfarin (Coumadin)
Taking chondroitin in combination with glucosamine might increase the anticoagulant effects of warfarin. However, the effect of chondroitin alone is unclear.
There have been multiple reports of increased international normalized ratio (INR) in patients taking warfarin with glucosamine, with or without chondroitin. The lack of reports with chondroitin alone seem to suggest that the interactions occurring in these reports may have been due to glucosamine. In two individual case reports, glucosamine/chondroitin combinations were associated with a significant increase in INR in patients previously stabilized on warfarin. Additionally, 20 voluntary case reports to the US Food & Drug Administration (FDA) have linked glucosamine plus chondroitin with increased INR, bruising, and bleeding in patients who were also taking warfarin. There have also been 20 additional case reports to the World Health Organization (WHO) that link glucosamine alone, without chondroitin, to increased INR in patients taking warfarin.
Brand information
Manufacturer and brand details for Glucosamine MSM Chondroitin, from the product label.
BioCare
See all BioCare products- Name
- UK - BioCare Ltd
- Street Address
- 1 Hedera Road
- State
- Redditch
- ZipCode
- B98 9EY
- Phone Number
- +44 0121 433 3727
- Web Address
- www.biocare.co.uk
Glucosamine MSM Chondroitin by BioCare: Common Questions
Does Glucosamine MSM Chondroitin by BioCare interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What does glucosamine actually do?
Can I take this if I'm on warfarin?
What are the most common side effects?
Is it safe during pregnancy or breastfeeding?
Can I take this with acetaminophen (Tylenol)?
What's MSM, and does it work?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Glucosamine MSM Chondroitin 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 Glucosamine MSM Chondroitin’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Glucosamine
Interacts with 170 drugsGlucosamine is a natural compound found in cartilage and joint fluid, and it is one of the most popular supplements for osteoarthritis, especially of the knee. The evidence is mixed, with so...
Read the full Glucosamine monograph → Herb & supplement monographChondroitin Sulfate
Interacts with 2 drugsChondroitin sulfate is a naturally occurring building block of cartilage that is widely taken, often with glucosamine, for osteoarthritis joint pain. The evidence is mixed—some people report...
Read the full Chondroitin Sulfate monograph →Sources & How We Checked
Glucosamine MSM Chondroitin'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 80 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.
Glucosamine 58 references
- Adams ME. Hype about glucosamine. Lancet 1999;354:353-4. PubMed
- Balkan B, Dunning BE. Glucosamine inhibits glucokinase in vitro and produces a glucose-specific impairment of in vivo insulin secretion in rats. Diabetes 1994;43:1173-9. PubMed
- Giaccari A, Morviducci L, Zorretta D, et al. In vivo effects of glucosamine on insulin secretion and insulin sensitivity in the rat: possible relevance to the maladaptive responses to chronic hyperglycaemia. Diabetologia 1995;38:518-24. PubMed
- Holmang A, Nilsson C, Niklasson M, et al. Induction of insulin resistance by glucosamine reduces blood flow but not interstitial levels of either glucose or insulin. Diabetes 1999;48:106-11. PubMed
- Houpt JB, McMillan R, Wein C, Paget-Dellio SD. Effect of glucosamine hydrochloride in the treatment of pain of osteoarthritis of the knee. J Rheumatol 1999;26:2423-30.
- Barclay TS, Tsourounis C, McCart GM. Glucosamine. Ann Pharmacother 1998;32:574-9.
- Shankar RR, Zhu JS, Baron AD. Glucosamine infusion in rats mimics the beta-cell dysfunction of non-insulin-dependent diabetes mellitus. Metabolism 1998;47:573-7.
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