Despite trace elements and vitamins are major public health problems in some African countries, there are few studies reporting micronutrient status in North Africa. Therefore, it could be interesting to evaluate plasma concentrations of vitamin A, E and ...
Vitamin A (retinol) is a necessary nutrient for vision, reproduction, growth, and immune function. Pro-vitamin A carotenoids are an important source, especially in developing countries. While preformed vitamin A is readily available from foods, ...