Chondroitin and Glucosamine, a synergy.
Co-administration is the most studied combination for osteoarthritis, with potential additive effects on cartilage matrix support and symptomatic joint relief.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Chondroitin and Glucosamine
- Pair type
- Synergy
- Evidence (highest tier)
- Moderate
- Source citations
- 2 sources
- Stack Score effect
- +2 to your Stack Score (per scored synergy row).
- Scope
- Supplement × Supplement
- Last verified
- May 30, 2026
Synergy · Moderate evidence
Synergy
What is happening. Co-administration is the most studied combination for osteoarthritis, with potential additive effects on cartilage matrix support and symptomatic joint relief.
Mechanism. Glucosamine provides a substrate for glycosaminoglycan synthesis while chondroitin contributes to cartilage matrix structure and inhibits degradative enzymes, supporting complementary roles in cartilage homeostasis.
Recommendation. These two are commonly and safely taken together. Take as a combined daily dose and allow several weeks to assess symptomatic benefit.
Sources (2)
- Clegg DO et al., Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis, New England Journal of Medicine, 2006
- Hochberg MC et al., Combined chondroitin sulfate and glucosamine for painful knee osteoarthritis (MOVES trial), Annals of the Rheumatic Diseases, 2016
Stack Score
How this pair moves the number.
Effect on the composite score
If both Chondroitin and Glucosamine are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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