Affiliate content. Explore the best joint supplements in 2025 featuring top-rated ingredients like glucosamine, chondroitin, ...

"Certain supplements like glucosamine, chondroitin, and garlic are high in sulfate, which the bacteria in the colon convert into sulfide gases," said Dr. Lee. Sulfide gases stink.

Glucosamine and chondroitin supplements for joint pain 01:51 Americans spend three quarters of a billion dollars a supplements to relieve painful osteoarthritis.