it helps to have everything with MSM =D I take around 6g a dag at the moment, and I can my achilles tendons are finally stretching out long enough to correct my gait & posture without re-injuring them (as frequently used to happen).
glucosamine and chondoitin will help if you find that your joints are crunchy. I reccommend just buying the powders in bulk rather than paying through the nose for a branded supplement.

Don't fear god, don't worry about death, what's good is easy to acquire, and what's terrible is easy to endure - Epicurus