Vitamin A powder Product Description Vitamin A is a group of unsaturated nutritional organic compounds, including retinol, retinal, retinoic acid, provitamin A carotenoids, and beta-carotene. Vitamin A powder Specification PRODUCT NAME Vitamin A retinol CAS No. 68-26-8 appearance Pale yellow powder Purity ≥95% Molecular formula C20H30O Vitamin A powder Function The human immune system is unable to grow and develop without vitamin A. Vitamin A, in the form of retinal, combines with opsin to form rhodopsin which is vital for low-light and color vision. As retinoic acid, Vitamin A functions as a hormone-like growth factor that supports epithelial cells. Vitamin A also shows lipoperoxy radical scavenging activity, and has antioxidant and fluorescent properties. Vitamin A powder Sample 5g for free Convenient DHL,FEDEX,UPS and EMS service What is vitamin A for? Nutritional supplements In cosmetics, it is mainly used as a nutritional ingredient additive, which can prevent the skin from becoming rough and promote normal growth and development. Although  V A has these … Continue reading Vitamin A powder supplier