By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 7 min read Watch the Full Video Glucosamine and chondroitin are among the most widely used dietary supplements for joint pain and arthritis. Walk into any pharmacy, and you will find shelves stocked with combination formulas promising relief. But despite decades of use, significant debate remains over whether these supplements actually deliver meaningful clinical benefits. A large 2018 systematic review published in the Br

By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 7 min read Watch the Full Video Collagen supplements are marketed aggressively for joint pain, stiffness, and even slowing the progression of arthritis. Walk into any supplement aisle and you will find dozens of products claiming to rebuild cartilage and reverse joint damage. But what does the clinical evidence actually show? Collagen is a structural protein found naturally throughout the body and is a key building block of

By Dr. Jeffrey Peng, MD · Published March 5, 2025 · 7 min read Watch the Full Video Collagen supplements are widely marketed for reducing joint pain, improving stiffness, and slowing the progression of arthritis. Collagen is a naturally occurring protein and a major structural component of cartilage — the tissue that cushions and protects our joints. Osteoarthritis is fundamentally a disease of cartilage loss, so the idea behind collagen supplementation is straightforward:

Written by Dr. Jeffrey Peng, MD — Board-Certified Sports Medicine Physician Published: March 3, 2026 | Last Updated: March 3, 2026 If you are dealing with joint pain or arthritis, chances are you have tried at least one supplement that promised relief. The supplement market is filled with options, but not all of them deliver on their claims. Some have strong clinical evidence behind them, while others fall short when put to the test in rigorous studies. In my practice as a s