Type-II Collagen, Vitamin C and Collagen: study protocols

4 study groups took Type-II Collagen together with Vitamin C and 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 Type-II Collagen, Vitamin C and 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	4

4 study groups

Study
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	60 mg	80 mg	100 mg	12 weeks	36
A Dietary Supplement in the Management of Patients with Lumbar Osteochondrosis: A Randomized, Double-Blinded, Placebo-Controlled Study 2024 · supplement group · Adults with symptomatic MRI-confirmed lumbar osteochondrosis; age range and sex not specified	360 mg	60 mg	600 mg	90 days	26
Effect of supplementation with type 1 and type 3 collagen peptide and type 2 hydrolyzed collagen on osteoarthritis-related pain, quality of life, and physical function: A double-blind, randomized, placebo-controlled study 2025 · Collagen · Adults aged 35–65 with unilateral Kellgren-Lawrence grade 2–3 knee osteoarthritis	40 mg	100 mg	2 g	8 weeks	16
The effect of supplementation with type I and type III collagen peptide and type II hydrolyzed collagen on pain, quality of life and physical function in patients with meniscopathy: a randomized, double-blind, placebo-controlled study 2025 · collagen group · men and women aged 35–65 with grade 1 or 2 meniscal tears	40 mg	100 mg	2 g	8 weeks	17