14 Differences Between Retinol and β -carotene
The two main forms of vitamin A in the human diet are preformed vitamin A (retinol, retinyl esters), and provitamin A carotenoids such as beta-carotene […]
what is vitamin A
Vitamin A: Sources, Function, Benefits, & Consequences of Deficiency
What is Vitamin A? Vitamin ‘A’ is a fat-soluble vitamin. Vitamin A is an important micro-nutrient that is essential for different biological and metabolism functions. […]