What are the current recommended adult intakes of Vitamin A?
Currently, Health Canada recommends a maximum daily intake of 3,000 µg (or 10,000 IU) of Vitamin A — the equivalent of a teaspoon of Cod Liver Oil. According to Health Canada, Vitamin A is a factor in good health and is important in the development and maintenance of teeth, skin and bones, and it supports immune function. Vitamin A also maintains eyesight and night vision. The Council for Responsible Nutrition’s 1999 publication Vitamin and Mineral Safety (Second Edition) supports these claims, noting that Vitamin A plays two distinct roles in eye health and function, first as a retinol-opsin complex that serves as a phototransducer, and also in the health and function of the various eye membranes. “In the first case, deficiency of Vitamin A in the retina leads to night blindness,” the authors write. “In the second, deficiency can lead to xerophthalmia, with loss of the basic integrity of the eye structure and possible total blindness.” In fact Vitamin A deficiency is the foremost caus