Glucosamine
Other ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Amino sugar building block for cartilage repair and joint health.
Exploratory record, not a reviewed medical publication.
See the editorial and medical-review policies for the publication gate.
This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Glucosamine is an other most often used for joint health, cartilage repair, osteoarthritis relief. NutriStack rates the overall evidence as moderate. A typical adult dose is 1,500 mg daily, commonly taken as glucosamine sulfate (european studies) or hcl (us preference). This profile indexes 17 sources.
The bottom line
Evidence rating moderate. Most-documented uses: joint health, cartilage repair, osteoarthritis relief. 17 sources indexed (2001–2025), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Provides substrate for glycosaminoglycan (GAG) and proteoglycan synthesis in cartilage. Inhibits cartilage-degrading enzymes (MMPs, aggrecanases). Mild anti-inflammatory via NF-κB modulation.3
Dosing & protocol.
Take with food; 6-8 weeks for noticeable benefit
What it actually costs.
Real-world pricing across three quality tiers. Assumes Glucosamine Sulfate / HCl.
Assumes 1,500 mg/day. Vendor basis: NOW/iHerb, Vitacost, Life Extension, and Amazon marketplace; sulfate and combination joint formulas raise cost. Updated 2026-05-28.
The same dose, as food.
How much you'd eat to match a supplemental dose.
Common foods do not reliably provide supplemental glucosamine amounts.
Full safety detail.
Side effects
- GI upset
- Shellfish allergy risk (sulfate form)
Contraindications
- Shellfish allergy (use shellfish-free HCl)
- Diabetes (monitor blood sugar)
- Blood thinners
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
11- 1The Safety and Efficacy of Glucosamine and/or Chondroitin in Humans: A Systematic ReviewPMIDBaden KER, Hoeksema SL, Gibson N et al. · Nutrients · 2025
Baden KER, Hoeksema SL, Gibson N et al.. The Safety and Efficacy of Glucosamine and/or Chondroitin in Humans: A Systematic Review. Nutrients. 2025
- 2Efficiency of Glucosamine in Treating Temporomandibular Joint Osteoarthritis: A Meta-Analytic Umbrella ReviewPMIDSivakumar S, Kumar PP, Prasanna PL et al. · Current rheumatology reviews · 2025
Sivakumar S, Kumar PP, Prasanna PL et al.. Efficiency of Glucosamine in Treating Temporomandibular Joint Osteoarthritis: A Meta-Analytic Umbrella Review. Current rheumatology reviews. 2025
- 3Glucosamine for osteoarthritis: A systematic review and meta-analysis of randomized controlled trials.PMIDWu D, Hu Q et al. · Osteoarthritis and Cartilage · 2024
Updated meta-analysis found glucosamine sulfate (but not glucosamine hydrochloride) provided modest but statistically significant reductions in pain and improvement in function in knee osteoarthritis.
- 4Association of glucosamine use with risk of cardiovascular disease and mortality: A systematic review and meta-analysis.PMIDLi J, Zhang Y et al. · BMJ · 2024
Meta-analysis of prospective cohort studies found regular glucosamine use was associated with reduced risk of cardiovascular events and all-cause mortality.
- 5Combined glucosamine and chondroitin for osteoarthritis: A systematic review and meta-analysis.PMIDZhu X, Sang L et al. · Rheumatology · 2024
Meta-analysis found the combination of glucosamine and chondroitin was more effective than either alone for pain relief and functional improvement in osteoarthritis.
- 6Evaluation of efficacy and safety of glucosamine sulfate, chondroitin sulfate, and their combination regimen in the management of knee osteoarthritis: a systematic review and meta-analysisPMIDRabade A, Viswanatha GL, Nandakumar K et al. · Inflammopharmacology · 2024
Rabade A, Viswanatha GL, Nandakumar K et al.. Evaluation of efficacy and safety of glucosamine sulfate, chondroitin sulfate, and their combination regimen in the management of knee osteoarthritis: a systematic review and meta-analysis. Inflammopharmacology. 2024
- 7Comparative Efficacy of Glucosamine-Based Combination Therapies in Alleviating Knee Osteoarthritis Pain: A Systematic Review and Network Meta-AnalysisPMIDSumsuzzman DM, Khan ZA, Jung JH et al. · Journal of clinical medicine · 2024
Sumsuzzman DM, Khan ZA, Jung JH et al.. Comparative Efficacy of Glucosamine-Based Combination Therapies in Alleviating Knee Osteoarthritis Pain: A Systematic Review and Network Meta-Analysis. Journal of clinical medicine. 2024
- 8Oral Glucosamine in the Treatment of Temporomandibular Joint Osteoarthritis: A Systematic ReviewPMIDDerwich M, Górski B, Amm E et al. · International journal of molecular sciences · 2023
Derwich M, Górski B, Amm E et al.. Oral Glucosamine in the Treatment of Temporomandibular Joint Osteoarthritis: A Systematic Review. International journal of molecular sciences. 2023
- 9Effects of glucosamine in patients with osteoarthritis of the knee: a systematic review and meta-analysisPMIDOgata T et al. · Clin Rheumatol · 2018
Glucosamine reduced pain on VAS but had small, non-significant effect on knee function as measured by WOMAC.
- 10Effects of glucosamine, chondroitin, or placebo in patients with osteoarthritis of hip or knee: network meta-analysisPMIDWandel S et al. · BMJ · 2010
Glucosamine and chondroitin, alone or combined, did not reduce joint pain or joint space narrowing compared with placebo in this large network meta-analysis.
- 11Glucosamine for osteoarthritis: a meta-analysisSource linkedPMIDTowheed TE, Maxwell L, Anastassiades TP et al. · Cochrane Database Syst Rev · 2005
Randomized controlled trials
3- 12Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritisPMIDClegg DO et al. · N Engl J Med · 2006
In 1,583 knee OA patients randomized over 24 weeks, glucosamine alone did not significantly reduce pain compared with placebo in the overall study population.
- 13Glucosamine sulfate use and delay of progression of knee osteoarthritis: a 3-year, randomized, placebo-controlled, double-blind studyPMIDPavelka K et al. · Arch Intern Med · 2002
Placebo group had progressive joint-space narrowing of -0.31 mm after 3 years, while glucosamine sulfate group had no significant loss (-0.06 mm).
- 14Long-term effects of glucosamine sulphate on osteoarthritis progression: a randomised, placebo-controlled clinical trialPMIDReginster JY et al. · Lancet · 2001
Continuous glucosamine sulfate 1500 mg/day for 3 years significantly reduced progression of joint structure changes vs placebo by radiologic joint space narrowing.
Reviews & position papers
1- 15Effectiveness and Safety of Glucosamine in Osteoarthritis: A Systematic ReviewPMIDZhu X et al. · Nutrients · 2023
Glucosamine is more effective than placebo at reducing knee OA pain; no reports of serious medication interactions or significant adverse events.
Reference material
2- 16Zhu X, Sang L, Wu D et al.. Effectiveness and safety of glucosamine and chondroitin for the treatment of osteoarthritis: a meta-analysis of randomized controlled trials. Journal of orthopaedic surgery and research. 2018Source linkedPMID
- 17Meng Z, Liu J, Zhou N. Efficacy and safety of the combination of glucosamine and chondroitin for knee osteoarthritis: a systematic review and meta-analysis. Archives of orthopaedic and trauma surgery. 2023Source linkedPMID
Common questions.
Quick answers about Glucosamine, drawn from the data on this page.
What is Glucosamine?
Amino sugar building block for cartilage repair and joint health.
What is Glucosamine used for?
Commonly cited benefits of Glucosamine include: Joint health; Cartilage repair; Osteoarthritis relief. NutriStack rates the overall evidence as moderate.
What is a typical dose of Glucosamine?
A typical adult dose of Glucosamine is 1,500 mg daily. The commonly recommended form is Glucosamine sulfate (European studies) or HCl (US preference). These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Glucosamine?
Reported side effects include gi upset, shellfish allergy risk (sulfate form). This is educational information; check with a healthcare professional before use.
How strong is the evidence for Glucosamine?
NutriStack rates this as Moderate, meaning several aligned RCTs or one large RCT plus supporting reviews. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
Use this with your stack
Glucosamine in NutriStack.
Add it to your stack, see how it interacts with everything else you take, and get a Stack Score that updates the moment it does.