- Function
-
General
- Vitamin A (Retinol) is derived from ingested retinyl esters or pro-CarotenoidProteins (beta-carotene, alpha-carotene, and beta-cryptoxanthin)
- Most of Vitamin A (90%) is stored in the liver as retinyl esters and released as needed
- Vision
- Epithelial Cell function (skin, mucosa)
- Helps maintain skin and mucosa integrity and innate imunity
- Roche (2021) Nutrients 13(2):302 +PMID: 33494277 [PubMed]
- Bone growth
- Promotes Osteoblast activity and inhibits Osteoclast activity
- Yee (2021) Molecules 26(6):1757 +PMID: 33801011 [PubMed]
-
Glycoprotein synthesis
- Vitamin A appears to be a Cofactor in Glycoprotein synthesis