... joints healthy; improve the quality of sleep, mitigate anxiety and insomnia. It can be widely used in various health care products ... tendons4,To improve the quality of sleep, improve anxiety, insomnia state5,Enhance the body`s immune system to steengthen the ... need to supplement collagen2,Subhealthy people:Such as easily fatigue, insomnia, memory loss and other premature aging of the population3,Rough ...