â (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable 1. the dependent variable. â (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable 1. dependent variable [ the ~ ] noun.
The building blocks that make up all proteins, including collagen, are called amino acids. An essential amino acid is one your body cannot make, so you have to get it from food or dietary supplements. Collagen is the most abundant protein in the body and is a key constituent of all connective tissues. Collagen provides the infrastructure of the musculoskeletal system, essential for mobility.
Babies and children have a lot of type III collagen, which is why their skin is so soft and plump. As we age, type III collagen is gradually replaced by type I collagen. Look for a collagen supplement that contain at least 90% type I collagen if you want the collagen supplement to work for your skin.