Definition and Summary of Vitamins

vitamin a

“Vitamin A helps form and maintain healthy teeth, skeletal and soft tissue, mucus membranes, and skin. It is also known as retinol because it produces the pigments in the retina of the eye. Vitamin A promotes good vision, especially in low light. It may also be needed for reproduction and breastfeeding.”

vitamin d

Vitamin D ”Absorbs calcium. Vitamin D along with calcium, helps build bones and keep bones strong and healthy. Block the release of parathyroid hormone. This hormone reabsorbs bone tissue, which makes bones thin and brittle. Vitamin D may also play a role in muscle function and the immune system. The immune system is your body's defense system. It helps protect it against infections and other illnesses. Taking vitamin D every day has been shown to reduce the risk of falling in older individuals.“

vitamin e

“Vitamin E is found naturally in some foods, added to others, and available as a dietary supplement. “Vitamin E” is the collective name for a group of fat-soluble compounds with distinctive antioxidant activities. Vitamin E is involved in immune function and, as shown primarily by in vitro studies of cells, cell signaling, regulation of gene expression, and other metabolic processes.”