blew out my knees a few years ago and had trouble getting around without pain. Now I use Glucosamine, and Chondroitin. I have tried different brnd name and didn't notice a differance. I do however notice when I forget to take them. If you have Knee pains and you know it's not an alignment problem or anything like that I recommend Glucosamine, and Chondroitin they keep me going.

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