COLLAGEN IS YOUR BODYS BASIC BUILDING BLOCK. IT IS NECESSARY FOR THE CREATION OF SKIN MUSCLE BONE & CARTILAGE. AT SOME POINT USUALLY IN YOUR LATE TWENTIES YOUR BODY WIL NO LONGER PRODUCE THE FULL AMOUNT OF COLLAGEN IT REQUIRES TO REPAIR YOUR BODY & A SLOW DECLINE OCCURS. BY INGESTING HYDROLYZED COLLAGEN YOU CAN CHANGE THAT.