Peptides for joint pain and arthritis: do they work?

Can peptides help with arthritis?

• Not in a proven way yet. No peptide is FDA approved to treat arthritis or joint pain.
• We look at 3 things on their own: FDA status, proof that it works, and safety. A peptide can have little safety data and still work, or not. We just do not know yet.
• The peptides people talk about most for joints are BPC-157 and TB-500. Both are sold online as "research" products. Neither is an approved medicine.

Is BPC-157 good for arthritis or joint pain?

• Nobody knows yet. Only 3 small studies in people have been published.
• In the biggest one, a clinic called 16 people who got BPC-157 shots in the knee. 14 of them said their knee pain got better. There was no comparison group, and 4 people also got TB-4.
• A 2026 review of all human BPC-157 studies found just 30 people in total. It said the studies were poor quality and the proof is "very low."
• A study of BPC-157 after rotator cuff (shoulder) surgery is listed but not yet recruiting. A hamstring study is recruiting.
• FDA status: not approved. In April 2026 the FDA took BPC-157 off its list of risky ingredients (Category 2). It is not on the list regular pharmacies may use, but since October 28, 2026, an interim HHS policy covers pharmacy-made BPC-157 with a prescription.

Does TB-500 help joints or tendons?

• We found no published study of TB-500 in people for joints, tendons or anything else.
• The first TB-500 study in people that we found is about heart blood markers. It is still recruiting.
• Animal and lab results do not tell us what happens in people.

Do collagen peptides help joint pain?

• A little, maybe. Collagen peptides are bits of protein from animal skin or bone, sold as powders and pills.
• A review of 11 trials with 870 people with knee arthritis found less pain and better movement than placebo. But results changed a lot from study to study.
• An older review found the total arthritis score got better, but the pain part alone did not change enough to count.
• Collagen is sold as a supplement. The FDA does not approve supplements before they are sold.

Can Wegovy or Ozempic help knee pain?

• For people with obesity and knee arthritis, one big trial says yes. It was called STEP 9.
• 407 adults took the semaglutide shot used in Wegovy, or a fake shot, for 68 weeks. Weight went down 13.7% vs 3.2%.
• Knee pain scores dropped 41.7 points on semaglutide vs 27.5 points on the fake shot (on a 100-point scale).
• More people stopped semaglutide because of side effects, 6.7% vs 3.0%, mostly stomach problems. The drug maker paid for the trial.
• Semaglutide is FDA approved for weight and other uses, but not for arthritis.

What actually helps arthritis pain?

• The NIH arthritis institute (NIAMS) lists treatments with real track records: exercise, weight loss if needed, heat and cold, braces or canes, and physical therapy.
• Medicines it lists include pain relievers you take by mouth, creams you rub on, steroid shots, and hyaluronic acid shots for knees.
• When pain is severe, joint replacement surgery is an option.
• Doctors who treat arthritis include rheumatologists, orthopaedic surgeons and physical therapists.

Are peptides allowed in sports?

• Many athletes get tested. BPC-157 is banned in sports as a drug that is not approved anywhere.
• Starting January 1, 2027, the world anti-doping list (WADA) will name "peptides" in that same group.
• Use our drug test tool to check a peptide before you compete.

The numbers in charts

More charts: Peptides by the numbers

Studies in people

The human studies we found for joints. We found no human study of TB-500 or of any peptide that regrows cartilage.

Joint pain options: FDA status, proof and safety