What are my alternatives to knee replacement?
Compare nonsurgical knee arthritis care, injection choices, and selected surgical alternatives—with evidence, limits, and questions for your clinician.
Read the guide ↗Medically reviewed by Charles A. DeCook, MD ·
← All optionsLearn about the evidence
Glucosamine / chondroitin
Popular supplements. Not new cartilage.
Who might it suit?
For: An evidence check before buying a supplement.
Not for: A cartilage-regrowth claim or a replacement for core care.
Limits and important cautions
A finding for a pharmaceutical-grade preparation or for hand OA does not validate an over-the-counter knee supplement. Interactions and product quality still matter.
What happens, how long, and what could it cost?
- What happens
- Review the precise ingredients and doses with a clinician or pharmacist, including interactions.
- When might I notice a change?
- A reliable personal timeline cannot be predicted from the evidence reviewed here. Agree on a review date before starting.
- How long might benefit last?
- Benefit and durability depend on the exact intervention and population. The evidence section below explains what is known.
- Repeat treatment
- Set a review point and avoid indefinite purchases without meaningful benefit.
- Activity and recovery
- Discuss interactions and whether the product should be paused around surgery.
- Ask for a complete estimate
- The exact formulation, ongoing purchases, and any monitoring.
Use this as a consultation guide. A timeline is not a guarantee; the evidence and FDA sections below remain part of the decision.
THE EVIDENCE IN CONTEXT
Inconsistent benefit; not routine OA care
Read the 2 selected references
- ACR/Arthritis Foundation: OA management ↗
2019 guideline, published in 2020. Recommendations vary by joint; it predates many newer trials.
- AAOS: nonsurgical knee OA care ↗
Knee-specific guidance; evidence strength varies by treatment. It should not be applied automatically to hip disease.
FDA status
Supplements · no disease-treatment approvalSupplements are not FDA-approved OA drugs.
Site summary of FDA information · reviewed September 19, 2026. Refer to current product labeling. This is not an FDA endorsement of this site.What do professional guidelines say?
AAOS: Reports limited, inconsistent evidence of possible benefit for some supplements; not strong support.
ACR: Strongly against glucosamine and against chondroitin for knee or hip OA.
Will Medicare cover it?
Supplements are not covered OA drugs.