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Chondroitin: study protocols

11 study groups say how much Chondroitin participants took a day. These are the doses the studies gave. They are not a recommendation.

Chondroitin: what the research found →

Dose per serving from products

41 products in our catalogue print how much Chondroitin a serving holds.

Most common: 1 g to 2.5 g, 39% of 41 products.

Dose per servingProducts
50 mg or less
1
50 mg to 100 mg
4
100 mg to 250 mg
5
250 mg to 500 mg
8
500 mg to 1 g
7
1 g to 2.5 g
16

Dose per serving from research

11 study groups in 8 studies say how much Chondroitin participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 1 g to 2.5 g, 55% of 11 study groups.

Daily doseStudy groups
500 mg to 1 g
5
1 g to 2.5 g
6

Commonly used together

5 of 11 study groups took Chondroitin with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Glucosamine
5

11 study groups

Study
Long-term effects of chondroitins 4 and 6 sulfate on knee osteoarthritis: the study on osteoarthritis progression prevention, a two-year, randomized, double-blind, placebo-controlled trial
2009 · chondroitin 4 and 6 sulfate group · Patients with knee osteoarthritis
800 mg2 years309
Pharmaceutical-grade Chondroitin sulfate is as effective as celecoxib and superior to placebo in symptomatic knee osteoarthritis: the ChONdroitin versus CElecoxib versus Placebo Trial (CONCEPT)
2017 · Group CS · Adults older than 50 with symptomatic primary knee osteoarthritis
800 mg26 weeks199
Equivalence of a single dose (1200 mg) compared to a three-time a day dose (400 mg) of chondroitin 4&6 sulfate in patients with knee osteoarthritis. Results of a randomized double blind placebo controlled study
2013 · CS 1200 · Men and women over 45 years with knee osteoarthritis
1.2 g90 days—
Equivalence of a single dose (1200 mg) compared to a three-time a day dose (400 mg) of chondroitin 4&6 sulfate in patients with knee osteoarthritis. Results of a randomized double blind placebo controlled study
2013 · CS 3*400 · Men and women over 45 years with knee osteoarthritis
1.2 g90 days—
Cost-Effectiveness Analysis of Pharmaceutical-Grade Chondroitin Sulfate for Knee Osteoarthritis Based on Individual Patient Data from a Randomized Clinical Trial
2025 · chondroitin sulfate group · Adults over 50 years old with primary knee osteoarthritis and knee pain for at least 3 months
800 mg26 weeks—
Combined glucosamine and chondroitin sulfate, once or three times daily, provides clinically relevant analgesia in knee osteoarthritis
2015 · GIII · Adults with radiographic knee osteoarthritis, Kellgren/Lawrence grade 2–3; age and sex not specified
1.2 g16 weeks306
Combined glucosamine and chondroitin sulfate, once or three times daily, provides clinically relevant analgesia in knee osteoarthritis
2015 · GI · Adults with radiographic knee osteoarthritis, Kellgren/Lawrence grade 2–3; age and sex not specified
1.2 g16 weeks302
Efficacy and tolerability of an undenatured type II collagen supplement in modulating knee osteoarthritis symptoms: a multicenter randomized, double-blind, placebo-controlled study
2016 · GC group · Men and women aged 40–75 with moderate-to-severe knee osteoarthritis
1.2 g180 days66
Treatment of knee osteoarthritis with a new formulation of a fixed-dose combination of glucosamine sulfate and bovine chondroitin: a multicenter, randomized, single-blind, non-inferiority clinical trial
2021 · GS/CS group · Patients with knee osteoarthritis, Kellgren-Lawrence grades 2 or 3, with a mean WOMAC pain subscale score of at least 40 mm
1.2 g24 weeks—
Glucosamine and chondroitin for knee osteoarthritis: a double-blind randomised placebo-controlled clinical trial evaluating single and combination regimens
2015 · chondroitin sulfate · Adults aged 45–75 with chronic knee pain and medial tibio-femoral compartment narrowing consistent with symptomatic knee osteoarthritis
800 mg2 years151