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Tier-CPublic-ready6/12/2026

Chondroitin

Bone, joint, and mobility is the main area connected here, and any felt benefit should be read together with the human evidence base.

Representative tier calculated from paper evidence that passed the collection audit.

Papers analyzed
20
Caution signal
Low
Representative score
58.2
Bone, joint, and mobilityImmune and respiratory supportAnimal or Cell-Study Clue

Main benefit evidence

The representative ingredient tier is calculated from these target-level evidence groups.

Bone and joint health
5 studiesTier-B
Bone, joint, and mobility
Fairly consistent positive signal in studiesFelt benefit focusPatient-group study
Potential benefit studied in Bone and joint health.
Open metrics
>
Bone, joint, and mobility
No direct rate reported. Read direction and evidence strength together.
Evidence score
56.7
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Immune and respiratory health
1 studiesTier-C
Immune and respiratory support
Some positive signal observedFelt benefit focusSupplement context
Potential benefit studied in Immune and respiratory health.
Open metrics
>
Immune and respiratory support
No direct rate reported. Read direction and evidence strength together.
Evidence score
42.1
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Animal or cell research
1 studiesTier-C
Animal or Cell-Study Clue
Some positive signal observedResearch marker focusSupplement context
This is an early research clue, not direct human supplement-effect evidence.
Closer to a research marker than a directly felt benefit.
Animal or cell-study clue — not a human effect probability.
Open metrics
>
Animal, cell, or mechanism-only findings
No effect-rate metric is shown because this should be read as research context, not as a general supplement effect.
Evidence score
27.5
Score reflects signal strength. Tier also considers paper count, repetition, and study context.
Other research signals
1 studiesTier-C
Other measured outcomes
Some positive signal observedFelt benefit focusSupplement context
Potential benefit studied in Other research signals.
Open metrics
>
Other measured outcomes
No direct rate reported. Read direction and evidence strength together.
Evidence score
20.9
Score reflects signal strength. Tier also considers paper count, repetition, and study context.

Recent research

Updated This Month10 new papers

10 new papers were added in this period. No new risk signal was identified.

What's new

10 new papers were added.No new risk signal was identified.

Most notable recent finding

This is the most meaningful new study in the latest update.
review
Why it mattersIt ranked highest among the newly collected papers for this ingredient in the latest update.
View paper

Key cautions to review

Standalone side-effect signals and combination cautions are listed separately.

Caution index
0.9
Caution band: Low
Caution signals
0
Side effects + combos + curated rules
Key precautions
No combination caution signal is clear enough to show right now. This does not guarantee safety.
Standalone side effects, combination cautions, and positive combos are separated below.

Side-effect and combination signals

No standalone side-effect or combination signal is currently clear enough to show from the collected papers. This does not mean there is no concern.

Evidence summaries

Paper IDs and full lists are private. Only study types and summaries are shown.

Key Evidence #1
Public scholarly dataCitation signal: 226
review

Evaluating the benefit and harm of oral chondroitin for treating osteoarthritis compared with placebo or a comparator oral medication including, but not limited to, nonsteroidal anti-inflammatory drugs (NSAIDs), analgesics, opioids, and glucosamine or other “h

Key Evidence #2
Public scholarly dataCitation signal: 260
observational

CS+GH has comparable efficacy to celecoxib in reducing pain, stiffness, functional limitation and joint swelling/effusion after 6 months in patients with painful knee osteoarthritis, with a good safety profile.

Key Evidence #3
Public scholarly dataCitation signal: 255
observational

Over 2 years, no treatment achieved a clinically important difference in WOMAC pain or function as compared with placebo, however, glucosamine and celecoxib showed beneficial but not significant trends.

3 more summariesLimited representative sample by study type.
>
Public scholarly dataCitation signal: 94
observational

Patients with non‐erosive reflux disease (NERD) are less responsive to proton pump inhibitors (PPIs) than those with erosive disease as they belong to different subgroups, in whom factors other than acid can trigger symptoms.

Public scholarly dataCitation signal: 65
observational

The combined administration of the supplement with hydrolyzed diet over 180 days was safe and induced improvements in selected serum biomarkers, possibly suggesting a reduction in disease activity.

Public scholarly dataCitation signal: 60
observational

Circuit style resistance-training and weight loss improved functional capacity in women with knee OA and functional aerobic capacity was increased to a greater degree for those in the HP and GCM groups while there were some trends suggesting that supplementati

Chondroitin
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