Vitamin is defined as a natural substance that is usually found in foods and that helps your body to be healthy. Vitamins allow your body to grow and develop. They also play important roles in bodily functions such as metabolism, immunity and digestion. There are 13 essential vitamins, including vitamins A, C, D, E, and K and B vitamins.
Vitamin A is a fat-soluble vitamin made up of closely related unsaturated hydrocarbons, including retinol, retinal, retinoic acid, and several provitamin A carotenoids. Vitamin A and its derivates, either natural or synthetic, are collectively and generally referred to as retinoids.
Official Site of Dana McDonald, RD -- Dana provides reliable nutrition and fitness education and inspiration to foodies seeking optimal health and wellness, with an emphasis on sustainable weight loss, through her wildly popular Facebook page, Rebel Dietitian (formerly Eat Clean, Train Mean, Live Green).
Watercress is a rich source of vitamin A & has lots of vitamin K, antioxidants & protective phytochemicals. Provides 4X the calcium of 2% milk. Oz. for Oz., it offers as much vitamin C as an orange & more iron than spinach. The nutrients in watercress protect against cancer & help build the immune system. The phytochemicals battle cancer in 3 ways: killing cancer cells, blocking carcinogens, & protecting healthy cells. They've also been shown to help prevent lung & esophageal cancer. #dherbs