Chondroitin

Joint Health Evidence: moderate

Overview

Chondroitin sulfate is a glycosaminoglycan polymer forming part of cartilage extracellular matrix. A 2025 systematic review and Delphi consensus found chondroitin sulfate combined with low-dose diclofenac reduces knee OA pain and improves joint function. Evidence overall is mixed; effects appear primarily in moderate-to-severe OA. Generally well tolerated; GI side effects possible. Structural similarity to heparin may interact with anticoagulants. Quality and source vary significantly. Product quality and standardization are important.

Dosage

800 mg · Any time · Can take on empty stomach

Key Interactions

2 verified interactions found

MSM (Methylsulfonylmethan) Info

MSM provides sulfur for glycosaminoglycan synthesis; Chondroitin is itself a glycosaminoglycan that supports cartilage hydration and resilience. Additive joint support.

Combine for joint health. Often used together in joint formulas.

View details →

Kollagen (Collagen) Info

Chondroitin supports cartilage hydration and resilience as a glycosaminoglycan; Collagen provides structural protein framework. Together they support the full cartilage matrix.

Combine for comprehensive joint support.

View details →

Scientific Sources

Frequently Asked Questions

What is Chondroitin used for?

Chondroitin sulfate is a glycosaminoglycan polymer forming part of cartilage extracellular matrix.

What is the recommended dosage for Chondroitin?

800 mg. Any time. Can take on empty stomach.

Does Chondroitin interact with other supplements?

Chondroitin has 2 verified interactions. Top: MSM (Methylsulfonylmethan), Kollagen (Collagen).

When is the best time to take Chondroitin?

Any time. Can take on empty stomach.

Is Chondroitin safe to combine with other supplements?

Always check interactions before combining supplements. Use VitalStack to verify your full stack for free.

Check how Chondroitin fits your full stack

Verify interactions, get timing plans, and optimize your supplement routine — free.

Check Your Stack →

Not medical advice. VitalStack is not a medical device. For personalized health recommendations, consult a healthcare provider.