Assertion: vegan's protein | /r/AtLocation | skin
Facets:
Source sentences:
text: That’s because collagen, a protein found mostly in hair, skin, nails, bones, and ligaments, comes mostly from animal sources, such as beef or fish.
text: That's because collagen, a protein found mostly in hair, skin, nails, bones and ligaments, comes mostly from animal sources, such as beef or fish.