SYS ONLINE
Supplements/Compound

Glucosamine Sulfate

Aminosugar for joint health.

Buy

Overview

Aminosugar for joint health.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Mechanism of action

Substrate for glycosaminoglycan synthesis.

Pathways
  • · Substrate for glycosaminoglycan synthesis

Effects on the body

Decreases
OA pain (modest)

Organ system effects

Evidence-based benefits

Reduces OA pain (modest)

Moderate evidence

Potential side effects

Common
  • · GI upset
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose Glucosamine Sulfate use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Supplement interactions

      Pairs well with
      • A high-quality multivitamin
        Covers micronutrient cofactors that support most supplement pathways.
      • Omega-3 (EPA/DHA)
        Foundational anti-inflammatory support that complements most regimens.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      1500 mg
      Best form
      Most evidence is based on the capsule or softgel form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      With a meal containing fat for fat-soluble compounds; otherwise either.

      Where to buy

      Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

      Scientific evidence8Show studies
      Meta-analysisCochrane · 2005

      Glucosamine sulfate meta-analysis

      Towheed TE, et al.

      25 RCTs

      Key findings

      Modest benefit for OA pain.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Glucosamine Sulfate — Reduces OA pain

      Live PubMed search

      Live results for "Glucosamine Sulfate Reduces OA pain" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Glucosamine Sulfate and "Reduces OA pain". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Glucosamine Sulfate — randomized controlled trial

      Live PubMed search

      Live results for "Glucosamine Sulfate randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Glucosamine Sulfate and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Glucosamine Sulfate — meta-analysis

      Live PubMed search

      Live results for "Glucosamine Sulfate meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Glucosamine Sulfate and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Glucosamine Sulfate — pharmacokinetics

      Live PubMed search

      Live results for "Glucosamine Sulfate pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Glucosamine Sulfate and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Glucosamine Sulfate — safety adverse events

      Live PubMed search

      Live results for "Glucosamine Sulfate safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Glucosamine Sulfate and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Glucosamine Sulfate — dose response

      Live PubMed search

      Live results for "Glucosamine Sulfate dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Glucosamine Sulfate and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Glucosamine Sulfate — clinical evidence

      Live Scholar search

      Cross-database citation index for Glucosamine Sulfate as it relates to "clinical evidence".

      Key findings

      Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

      Open study
      Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

      Community discussion

      (0 threads)

      Share your experience or read what others have tried. Anecdotes are not medical advice.

      Sign in or create a free account to post or reply.
      Loading discussion…