Bifidobacterium animalis is a bacteria that naturally makes its home in the human body. It lives in the large intestines and is necessary for food digestion. The function of the bacteria deals with space and food consumption.
Gelatin, which is used in food and industry, is collagen that has been irreversibly hydrolyzed. Collagen also has many medical uses in treating complications of the bones and skin. The name collagen comes from the Greek ÎºÏÎ»Î»Î± (kolla), kÃ³lla  meaning , glue and -suffix, -Î³Î­Î½, gen denoting. producing
Natural Sources of Collagen. Eggs are a natural source of collagen. Collagen is a type of protein that is used as connective and support tissue throughout the body. According to Human Biochemistry and Disease, collagen makes up 75 percent of our skin composition and 30 percent of our bodies overall.