Assertion: vegetable's vitamin c | /r/HasProperty | necessary for collagen production
Facets:
Source sentences:
text: According to the Linus Pauling Institute at Oregon State University, vitamin C is necessary for collagen production, which keeps skin looking youthful and aids in wound healing, and vitamin A is a compound in retinoids, which are popular in anti-aging skin treatments.
text: According to the Linus Pauling Institute at Oregon State University, vitamin C is necessary for collagen production, which keeps your skin looking youthful and aids in wound healing, and vitamin A is a compound in retinoids, which are popular in anti-aging skin treatments.