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Dietary supplement

Glucosamine Sulfate 1500 Ingredients & Drug Interactions

by ProCaps Laboratories

Glucosamine Sulfate 1500 label
See full label image
Capsule Category: Other Combinations
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Glucosamine Sulfate 1500 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

The interaction bottom line Most serious interaction: Major

Glucosamine Sulfate 1500 is a dietary supplement by ProCaps Laboratories with 3 active ingredients. Its ingredients are commonly taken for common cold and immune support, antioxidant support, skin health and collagen formation.Based on those ingredients, 356 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Vitamin C, Glucosamine Sulfate, Potassium. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Glucosamine Sulfate 1500 by ProCaps Laboratories

Ask about any prescription or over-the-counter medication and we check it for interactions with Glucosamine Sulfate 1500 by ProCaps Laboratories — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Glucosamine Sulfate 1500 by ProCaps Laboratories

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.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Aug 6, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 3 of its 3 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Glucosamine Sulfate 1500 by ProCaps contains three active ingredients: glucosamine sulfate, vitamin C, and potassium. Glucosamine sulfate is the main active ingredient — a compound derived from shellfish that supports joint structure.

Vitamin C is included as an antioxidant, and potassium is a mineral cofactor. The product also contains a gelatin capsule as an inactive ingredient.

Does it work?

Strong evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: joint health maintenance and repair.
  • We looked for evidence on: Joint pain, Knee pain, Back pain, Osteoarthritis, Cartilage support.
  • The strongest evidence on file: Glucosamine is rated "Likely Effective" for Osteoarthritis (Natural Medicines).
  • Also on file: Glucosamine is rated "Insufficient Reliable Evidence To Rate" for Back pain, Joint pain, Knee pain.
  • Also on file: Vitamin C is rated "Insufficient Reliable Evidence To Rate" for Osteoarthritis.

Glucosamine sulfate is Likely Effective for osteoarthritis, meaning research supports its use for joint pain and function in that condition. For other conditions listed — aging skin, back pain, colorectal cancer, and metabolic dysfunction-associated fatty liver disease (MASLD) — the evidence we hold is insufficient to rate whether it works.

Vitamin C is Effective for preventing vitamin C deficiency and Possibly Effective for anemia of chronic disease, atrial fibrillation, cataracts, and exercise-related respiratory infections. Potassium's effectiveness ratings are not established in the data we hold.

The evidence, ingredient by ingredient Vitamin C Potassium Glucosamine

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Vitamin C is generally well tolerated at normal doses, but very high doses can cause abdominal cramps, heartburn, nausea, diarrhea, and — in people prone to them — kidney stones; kidney damage has been reported in rare cases with very high intravenous doses. Potassium from food is safe, but supplements can cause dangerously high blood levels (hyperkalemia), especially in people with kidney disease, leading to heart rhythm problems and muscle weakness.

Glucosamine is generally well tolerated orally, with the most common side effects being bloating, constipation, diarrhea, and heartburn. Rarely, allergic reactions including anaphylaxis have been reported, and asthma exacerbations have been associated with glucosamine–chondroitin products.

The safety data advises against glucosamine in pregnancy and breastfeeding — normal dietary amounts of vitamin C and potassium are considered safe in pregnancy, but avoid high-dose vitamin C supplements during pregnancy unless your doctor advises it; dietary potassium is appropriate in pregnancy and breastfeeding, but check with your doctor before using potassium supplements.

Side effects, ingredient by ingredient Vitamin C Potassium Glucosamine

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 3 of the 3 matched ingredients can interact with medications — Glucosamine, Potassium, Vitamin C.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; cancer treatments; diabetes medications.
  • For scale: 356 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Check with your doctor or pharmacist before taking this product if you use blood thinners like warfarin (Major interaction with glucosamine sulfate), estrogen-based birth control or hormone therapy (Moderate with vitamin C), blood pressure medications including ACE inhibitors and ARBs (Moderate with potassium), chemotherapy drugs (Moderate with vitamin C), or thyroid medication like levothyroxine (Moderate with vitamin C). Also mention diabetes medications and acetaminophen, which have Minor documented interactions.

Check your own medication Run your meds through the checker above

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.

Glucosamine Sulfate 1500 is a reasonable choice for people with osteoarthritis looking to support joint health, since the main ingredient is well supported for that use. Be cautious if you take blood thinners, blood pressure medications, diabetes drugs, or thyroid medication — discuss this product with your doctor or pharmacist first.

If you're pregnant, breastfeeding, have kidney disease, or take multiple medications, check with your doctor or pharmacist before starting.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Apr 22, 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

At a glance

General information

Key facts about Glucosamine Sulfate 1500, straight from the product label.

Brand ProCaps Laboratories
Barcode (UPC) 957785
Net contents 540 Easy-To-Swallow Capsule(s)
Market status On market
Date entered into DSLD Apr 22, 2021
DSLD ID 248062
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free
From the 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 Sulfate 1500 by ProCaps Laboratories, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
3 Capsule(s)
Maximum serving Sizes:
3 Capsule(s)
Servings per container
180
UPC/BARCODE
957785
IngredientAmount% DV
Vitamin C10 mg11%
Potassium260 mg6%
Glucosamine Sulfate1500 mg--

Other ingredients: Gelatin Capsule

Tap any ingredient to jump to its full detail below.

Label statements
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

Suggested use To achieve the optimum levels of Glucosamine Sulfate established by the clinical research on joint health, consume three capsules daily with food or as recommended by your physician. As with any dietary supplement, this product is most effective as part of a healthy diet and active lifestyle, along with a daily multi-vitamin-mineral formula.

General Statements

Unsurpassed. Purity. Quality. Integrity. Effectiveness. Andrew Lessman founder of Procaps Labs www.HSN.com 800.944.9999 www.QVC.com 800.345.1515

All-Solar manufacturing

Brand IP Statement(s)

Coyright 2020 ProCaps Labs

Formula

All sulfate 1,500 mg Glucosamine Sulfate 100% Sulfate form only

Andrew Lessman's Glucosamine Sulfate 1500 provides the optimum potency and the ideal form (All Sulfate) of the most important ingredient for the maintenance and repair of healthy joint tissue. Glucosamine is not a medicine that works on joint tissue, but is a vital structural molecule required for our joints to retain their elasticity and healthy structure as we age. Not surprisingly, the benefits of Glucosamine have been shown to extend beyond joint tissue and are also essential for the resiliency and flexibility of other "elastic" tissues in the body, such as the skin, arteries, veins and heart valves. Glucosamine Sulfate is always the first line of defense for joint tissues, but unlike ordinary products, we refuse to use unproven Glucosamine HCI (Hydrochloride). We only use the form Glucosamine established in the scientific literature - Glucosamine Sulfate. Glucosamine Sulfate 1500 also provides bonus levels of Potassium, which is essential for heart, nervous system and brain function. No other body part endures more daily abuse than our joints and Glucosamine Sulfate has always been the first choice of experts as a natural tool to help combat and repair the consequences of a lifetime of wear and tear. As we age, we become more aware of our joints inability to perform as they did in our youth. Glucosamine Sulfate 1500 provides the most important structural molecule required for our body to combat the normal erosion of these vital tissues over time. Every day, we place enormous demand son our joints and just as Calcium is essential for bones, it only makes sense to provide the same basic structural requirements to our joints with our gentle, yet ultra-high potency Glucosamine Sulfate 1500.

Formulation

Sodium free

Contains no milk, soy, yeast, corn, wheat, gluten, sodium, salt, sugar, fat, cholesterol, color, preservative or manufacturing additives. Contains no additives of any kind. Contains an ingredient derived, purified and refined from the shells of shellfish (shrimp, crab and crawfish)

FDA Statement of Identity

Dietary Supplement

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.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Glucosamine Sulfate 1500 by ProCaps Laboratories label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Glucosamine Sulfate 1500 label

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)
What’s inside

The Ingredients in Glucosamine Sulfate 1500 by ProCaps Laboratories

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size3 Capsule(s) Dosage formCapsule Servings per container180 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.

Vitamin C

Interacts with
207 drugs
10 mg per serving Form: Ascorbyl Palmitate

Vitamin C (ascorbic acid) is an essential nutrient your body needs but cannot make, so you must get it from food or supplements. It's important for im...

Vitamin C monograph & interactions

Potassium

Interacts with
62 drugs
260 mg per serving Form: Potassium Glucosamine Sulfate

Potassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanc...

Potassium monograph & interactions

Glucosamine Sulfate

Interacts with
170 drugs
1500 mg per serving Form: Potassium Glucosamine Sulfate

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 Sulfate monograph & interactions

Other (inactive) ingredients: Gelatin Capsule. These complete the product’s ingredient list but are not active constituents.

Interaction report

Glucosamine Sulfate 1500 by ProCaps Laboratories Drug Interactions

Want to check YOUR meds against Glucosamine Sulfate 1500?

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 checker
356Drugs
2 Major 162 Moderate 192 Minor

Ingredients driving the most interactions

Vitamin C 207
Glucosamine Sulfate 170
Potassium 62

Individual Drug Interactions

The ingredients in Glucosamine Sulfate 1500 interact with 356 drugs. Click any drug to see the details.

3 of the 3 ingredients in Glucosamine Sulfate 1500 interact with drugs. Each result below shows which ingredient is responsible. Vitamin C Glucosamine Sulfate Potassium

Each ingredient & the kinds of drugs it affects

For each ingredient in Glucosamine Sulfate 1500 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.

Vitamin C13 drug types · 207 drugs

Alkylating Agents

Theoretically, antioxidant effects of vitamin C might reduce the effectiveness of alkylating agents.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs that generate free radicals, such as cyclophosphamide, chlorambucil, carmustine, busulfan, and thiotepa. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effect, if any, antioxidants such as vitamin C have on chemotherapy.

Likelihood Possible Evidence D
Aluminum

Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Research in animals and humans shows that vitamin C increases aluminum absorption, theoretically by chelating aluminum and keeping it in solution where it is available for absorption. In people with normal renal function, urinary excretion of aluminum will likely increase, making aluminum retention and toxicity unlikely. Patients with renal failure who take aluminum-containing compounds such as phosphate binders should avoid vitamin C supplements in doses above the recommended dietary allowances.

Likelihood Probable Evidence B
Antitumor Antibiotics

Theoretically, the antioxidant effects of vitamin C might reduce the effectiveness of antitumor antibiotics.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs which generate free radicals, such as doxorubicin. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effects, if any, antioxidants such as vitamin C have on chemotherapy.

Likelihood Possible Evidence D
Estrogens

Vitamin C might increase blood levels of estrogens.
Increases in plasma estrogen levels of up to 55% occur under some circumstances when vitamin C is taken concurrently with oral contraceptives or hormone replacement therapy, including topical products. It is suggested that vitamin C prevents oxidation of estrogen in the tissues, regenerates oxidized estrogen, and reduces sulfate conjugation of estrogen in the gut wall. When tissue levels of vitamin C are high, these processes are already maximized and supplemental vitamin C does not have any effect on estrogen levels. Increases in plasma estrogen levels may occur when patients who are deficient in vitamin C take supplements. Monitor these patients for estrogen-related side effects.

Likelihood Probable Evidence B
Fluphenazine (Prolixin)

Theoretically, vitamin C might decrease levels of fluphenazine.
In one patient there was a clinically significant decrease in fluphenazine levels when vitamin C (500 mg twice daily) was started. The mechanism is not known, and there is no further data to confirm this interaction.

Likelihood Possible Evidence D
Indinavir (Crixivan)

Vitamin C can modestly reduce indinavir levels.
One pharmacokinetic study shows that taking vitamin C 1 gram orally once daily along with indinavir 800 mg orally three times daily reduces the area under the concentration-time curve of indinavir by 14%. The mechanism of this interaction is unknown, but it is unlikely to be clinically significant in most patients. The effect of higher doses of vitamin C on indinavir levels is unknown.

Likelihood Probable Evidence B
Levothyroxine (Synthroid, Others)

Vitamin C can increase levothyroxine absorption.
Two clinical studies in adults with poorly controlled hypothyroidism show that swallowing levothyroxine with a glass of water containing vitamin C 500-1000 mg in solution reduces thyroid stimulating hormone (TSH) levels and increases thyroxine (T4) levels when compared with taking levothyroxine alone. This suggests that vitamin C increases the oral absorption of levothyroxine, possibly due to a reduction in pH.

Likelihood Probable Evidence B
Warfarin (Coumadin)

High-dose vitamin C might reduce the levels and effectiveness of warfarin.
Vitamin C in high doses may cause diarrhea and possibly reduce warfarin absorption. There are reports of two people who took up to 16 grams daily of vitamin C and had a reduction in prothrombin time. Lower doses of 5-10 grams daily can also reduce warfarin absorption. In many cases, this does not seem to be clinically significant. However, a case of warfarin resistance has been reported for a patient who took vitamin C 500 mg twice daily. Cessation of vitamin C supplementation resulted in a rapid increase in international normalized ratio (INR). Tell patients taking warfarin to avoid taking vitamin C in excessively high doses (greater than 10 grams daily). Lower doses may be safe, but the anticoagulation activity of warfarin should be monitored. Patients who are stabilized on warfarin while taking vitamin C should avoid adjusting vitamin C dosage to prevent the possibility of warfarin resistance.

Likelihood Possible Evidence D
Acetaminophen (Tylenol, Others)

High-dose vitamin C might slightly prolong the clearance of acetaminophen.
A small pharmacokinetic study in healthy volunteers shows that taking high-dose vitamin C (3 grams) 1.5 hours after taking acetaminophen 1 gram slightly increases the apparent half-life of acetaminophen from around 2.3 hours to 3.1 hours. Ascorbic acid competitively inhibits sulfate conjugation of acetaminophen. However, to compensate, elimination of acetaminophen glucuronide and unconjugated acetaminophen increases. This effect is not likely to be clinically significant.

Likelihood Probable Evidence B
Aspirin

Acidification of the urine by vitamin C might increase aspirin levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction is not clinically significant.

Likelihood Possible Evidence B
Choline Magnesium Trisalicylate (Trilisate)

Acidification of the urine by vitamin C might increase choline magnesium trisalicylate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.

Likelihood Possible Evidence B
Niacin

Vitamin C might decrease the beneficial effects of niacin on high-density lipoprotein (HDL) cholesterol levels.
A combination of niacin and simvastatin (Zocor) effectively raises HDL cholesterol levels in patients with coronary disease and low HDL levels. Clinical research shows that taking a combination of antioxidants (vitamin C, vitamin E, beta-carotene, and selenium) along with niacin and simvastatin (Zocor) attenuates this rise in HDL, specifically the HDL-2 and apolipoprotein A1 fractions, by more than 50% in patients with coronary disease. It is not known whether this adverse effect is due to a single antioxidant such as vitamin C, or to the combination. It also is not known whether it will occur in other patient populations.

Likelihood Possible Evidence A
Salsalate (Disalcid)

Acidification of the urine by vitamin C might increase salsalate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams/day vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.

Likelihood Possible Evidence B
Vitamin C full monograph & interactions

Glucosamine Sulfate4 drug types · 170 drugs

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.

Likelihood Probable Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence B
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.

Likelihood Unlikely Evidence B
Glucosamine Sulfate full monograph & interactions

Potassium3 drug types · 62 drugs

Ace Inhibitors (Aceis)

Using ACEIs with high doses of potassium increases the risk of hyperkalemia.
ACEIs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.

Likelihood Likely Evidence C
Angiotensin Receptor Blockers (Arbs)

Using ARBs with high doses of potassium increases the risk of hyperkalemia.
ARBs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.

Likelihood Likely Evidence C
Potassium-Sparing Diuretics

Concomitant use increases the risk of hyperkalemia.
Using potassium-sparing diuretics with potassium supplements increases the risk of hyperkalemia.

Likelihood Likely Evidence C
Potassium full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Glucosamine Sulfate 1500, from the product label.

ProCaps Laboratories

See all ProCaps Laboratories products
Name
ProCaps Laboratories
City
Henderson
State
NV
ZipCode
89011
Phone Number
800.800.1200
Web Address
ProCapsLabs.com
Pharmacist Counseling Corner

Glucosamine Sulfate 1500 by ProCaps Laboratories: Common Questions

Does Glucosamine Sulfate 1500 by ProCaps Laboratories interact with any medications?
Yes. Based on its ingredients, Glucosamine Sulfate 1500 has a known interaction with 356 medications, including 2 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Glucosamine Sulfate 1500 contains 3 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is glucosamine sulfate actually effective for joint pain?
Glucosamine sulfate is Likely Effective for osteoarthritis — the evidence supports its use for that condition. For other types of joint or back pain, the evidence we hold isn't established well enough to rate it.
Can I take this while pregnant or breastfeeding?
The safety data advises against glucosamine sulfate during pregnancy and breastfeeding. Vitamin C and potassium from food are fine, but avoid high-dose vitamin C supplements and talk with your doctor before using potassium supplements while pregnant or nursing.
What are the most common side effects?
Glucosamine commonly causes bloating, constipation, diarrhea, and heartburn. Vitamin C at very high doses can cause abdominal cramps, nausea, and diarrhea. Potassium supplements may cause nausea, vomiting, or abdominal pain.
Why does this product have vitamin C and potassium in it with glucosamine?
Vitamin C and potassium are mineral and nutrient cofactors included in the formulation, though the product's main active ingredient is glucosamine sulfate. The facts on hand don't explain the specific nutritional rationale.
Will this interact with my blood thinner?
Yes — glucosamine sulfate may increase the blood-thinning effect of warfarin and raise bleeding risk. Vitamin C can also reduce warfarin's effectiveness at high doses. This is a serious concern, so talk with your doctor before starting this product if you take warfarin or any blood thinner.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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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.

Glucosamine Sulfate 1500 label
Go deeper

The Full Monographs Behind Glucosamine Sulfate 1500’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Vitamin C

Interacts with 207 drugs

Vitamin C (ascorbic acid) is an essential nutrient your body needs but cannot make, so you must get it from food or supplements. It's important for immune function, collagen, and acts as an...

Read the full Vitamin C monograph → Herb & supplement monograph

Potassium

Interacts with 62 drugs

Potassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanced diet rich in fruits and vegetables. P...

Read the full Potassium monograph → Herb & supplement monograph

Glucosamine

Interacts with 170 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 the knee. The evidence is mixed, with so...

Read the full Glucosamine monograph →
Sources

Sources & How We Checked

Glucosamine Sulfate 1500'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.

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 121 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 C 51 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Back DJ, Breckenridge AM, MacIver M, et al. Interaction of ethinyloestradiol with ascorbic acid in man. Br Med J (Clin Res Ed) 1981;282:1516.
  3. Morris JC, Beeley L, Ballantine N. Interaction of ethinyloestradiol with ascorbic acid in man [letter]. Br Med J (Clin Res Ed) 1981;283:503.
  4. Labriola D, Livingston R. Possible interactions between dietary antioxidants and chemotherapy. Oncology 1999;13:1003-8.
  5. Dwyer JH, Merz NB, Shirocre AM, et al. Progression of early atherosclerosis and intake of vitamin C and vitamin E from supplements and food. The Los Angeles Atherosclerosis Study. 41st Annual Conference on Cardiovascular Disease Epidemiology and Prevent
  6. Levine M, Rumsey SC, Daruwala R, et al. Criteria and recommendations for vitamin C intake. JAMA 1999;281:1415-23. PubMed
  7. Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
  8. Segal S, Kaminski S. Drug-nutrient interactions. American Druggist 1996 Jul;42-8.
  9. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids. Washington, DC: National Academy Press, 2000. Available at: http://www.nap.edu/books/0309069351/html/.
  10. Houston JB, Levy G. Drug biotransformation interactions in man VI: Acetaminophen and ascorbic acid. J Pharm Sci 1976;65:1218-21. PubMed
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Potassium 12 references
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Glucosamine 58 references
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See these in context on the Glucosamine monograph →

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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

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