Are glucosamine and chondroitin genuinely effective?

Glucosamine and chondroitin are frequently listed on the same label, but as we age, they play distinctly different yet equally vital roles in maintaining your mobility and cartilage health:

Glucosamine is the "Architect." It serves as the structural raw material your body needs to synthesize and repair cartilage tissue. Think of it as the scaffolding that maintains joint resilience.

Chondroitin is the "Shock Absorber." it is a specialized molecule that draws water and nutrients into the cartilage, keeping it sponge-like, elastic, and capable of shock absorption. It also helps inhibit enzymes that break down joints.

What has been your personal experience with glucosamine and chondroitin? Also, did you choose glucosamine sulfate or glucosamine hydrochloride?