Vitamin A is a group of nutritionally unsaturated hydrocarbons. Different forms of the vitamin include retinol, retinoic acid, and carotenoids. Retinol is the most biologically active form of vitamin A and is synthesized by pro-vitamin A(beta-carotene). Vitamin A regulates cell proliferation, differentiation, immune function and apoptosis (cell death). This vitamin plays a vital role in night or low-light vision and color vision among many other common functions.
Symptoms of vitamin A deficiency - Impaired immune function; eye or skin problems; compromised cell growth and development; fat malabsorption; night blindness; zinc deficiency; insomnia.
Common conditions associated with vitamin A deficiency - Hormone balance, Immunidex, Insomnia, night blindness.
CASE STUDY highlights a common problem with a vitamin A deficiency. A 45 year old female with multiple conditions such as hypertension, insomnia and GERD, click here.