Vitamin A Overview - Introduction, Functions, Food Sources, RDA, Deficiency and toxicity
Introduction In the world of nutrition, few vitamins have captured the attention of health enthusiasts and scientists alike quite like Vitamin A. This fat-soluble wonder plays a pivotal role in maintaining optimal health and wellness, with its far-reaching benefits ranging from supporting clear vision to bolstering the immune system. In this blog, we delve into the fascinating world of Vitamin A, uncovering its functions, sources, and the importance of striking the right balance for overall well-being. Types of Vitamin A Retinoids: This form of vitamin A is derived from animal sources and includes retinol, retinal, and retinoic acid. These forms are easily absorbed by the body and can be directly used in various cellular functions. Our Body Absorbs 75% to 100% of retinol. Carotenoids: These are provitamin A compounds found in plant-based sources. The most well-known carotenoid is beta-carotene, which can be converted into retinol by the body as needed. Our Body only absorbs 10% to 30% ...