Chondroitin and Type-II Collagen: study protocols

4 study groups took Chondroitin together with Type-II Collagen. These are the doses the studies gave. They are not a recommendation.

Fewer than 5 study groups in one unit match, too few to draw the chart.

Commonly used together

4 of 4 study groups took Chondroitin and Type-II Collagen with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken with	Study groups
Hyaluronic Acid	3

4 study groups

Study
Novel Hydrolyzed Chicken Sternal Cartilage Extract Improves Facial Epidermis and Connective Tissue in Healthy Adult Females: A Randomized, Double-Blind, Placebo-Controlled Trial 2019 · intervention · Females aged 39–59 years described as healthy adults	200 mg	600 mg	12 weeks	—
Glucosamine-containing supplement improves locomotor functions in subjects with knee pain: a randomized, double-blind, placebo-controlled study 2015 · GCQID group · Japanese women and men aged 40–74 years with knee pain	60 mg	45 mg	16 weeks	50
Effects of cartilage-supporting nutritional supplementation on knee osteoarthritis symptoms and quality of life in a 12-week randomized double-blind placebo-controlled pilot study 2025 · Verum · Adults with mild-to-moderate knee osteoarthritis and slight-to-moderate knee pain; mean age 62.7 years; women and men	200 mg	60 mg	12 weeks	36
Effect of an oral preparation containing hyaluronic acid, chondroitin sulfate, hydrolyzed collagen type II and hydrolyzed keratin on synovial fluid features and clinical indices in knee osteoarthritis. A pilot study 2020 · treatment group · Adults with knee osteoarthritis and a swollen joint	240 mg	—	4 weeks	15