It's powerful nutrition that encourages normal joint function, cardiovascular health, colon health, brain function, & liver health. (neuroticmommy.com)
Joint supplements work to maintain healthy connective tissues, strong bones, and normal joint function and joint mobility. (topdoghealth.com)
Ligaments are not activated in normal joint movement, it is the job of surrounding tendons and muscles to stabilize the joints, with ligaments only activated in extreme circumstances (such as knee twisting, etc.) Sudden sharp impacts or changes in force may also overwhelm the surrounding muscle's ability to tighten and stabilize the joint, which requires the ligaments to intervene. (completehumanperformance.com)