Introduction. Vitamin A is the name of a group of fat-soluble retinoids, including retinol, retinal, and retinyl esters [].Vitamin A is involved in immune function, vision, reproduction, and cellular communication [1,4,5].
Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids (most notably beta-carotene).
The B12 Deficiency Support Group (B12d, for short) is a charity. Our aims are to: Raise awareness of this condition amongst doctors and the general public, so that people can be diagnosed appropriately.
Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and multiple other biological effects.
Vitamin B group is water-soluble and is considered to be a low toxicity compound due to a rapid excretion through urine. However, some toxicity can occur and cause an array of conditions that usually resolve with discontinuation of vitamin B intake.
By Dr. Mercola. Most readers here appreciate the importance of vitamin D, as do many physicians. However, there’s another vitamin that is virtually equivalent in terms of benefit that is still sorely underappreciated, and that is vitamin K2.
Vitamin D. Vitamin D is essential for strong bones and a healthy immune system. While a limited amount of vitamin D can be obtained from exposure to the sun’s ultraviolet (UV) radiation, the health risks of UV exposure — including skin cancer — are great.
Basic Description. Vitamin B1, also known as thiamin, is classified as a B-complex vitamin. Very small amounts of vitamin B1 are found in virtually all foods, and many commonly eaten foods contain substantial amounts.
Vitamin B Group – Extremely important for good health and wellbeing, comprised of many individual vitamins and vitamin-like biochemicals that depend on the presence of one another and work together.
