"Collagen content" refers to the amount or level of collagen, which is a protein found in our body. It describes how much collagen is present in a certain substance, such as our skin, hair, or any other tissue. Full definition
Another study from 26 years ago found that feeding avocado oil to rats increased in higher soluble collagen content in the skin. (supernaturalacnetreatment.com)
Bone broth also supports joints, hair, skin, and nails due to its high collagen content. (wellnessmama.com)
Studies have reported an astonishing loss of up to 30 % of our skin's collagen content within the first 5 years after menopause! (getthegloss.com)