The estimates depend on models of the time distribution of the intakes and of the transfer and retention processes in the body.

Access to such data is needed for assessment of nutrient intakes, nutrition education, epidemiological studies of diet and disease, and determination of agricultural and food policy.

Access to such data is needed for the assessment of nutrient intakes, nutrition education, epidemiological studies of diet and disease and the determination of agricultural and food policy.

Importantly, adverse effects are seen at very low intakes for example, 1 3 of total energy, or approximately 2 7 grams (20 60 calories) for a person consuming 2000 calories day.

It implemented pilot projects in each Central American country to produce enriched flour and nutritional biscuits to supplement nutrition intakes of children of 0 3 years of age, children of school age and community health services.

It implemented pilot projects in each Central American country that produce enriched flour and nutritional biscuits to supplement the nutritional intakes of children from 0 to 3 years of age, school age children and community health services.

In sunny countries such as Nigeria, South Africa, and Bangladesh, where the disease occurs among older toddlers and children, it has been attributed to low dietary calcium intakes, which are characteristic of cereal based diets with limited access to dairy products.

One scholar, Farzana Afridi, reported in the Journal of Development Economics that the program improved nutritional intakes by reducing the daily protein deficiency of a primary school student by 100 , the calorie deficiency by almost 30 , and the daily iron deficiency by nearly 10 .

The review also questioned the possible harm of such supplements, given the increased risk of lung cancer in smokers with high intakes of beta carotene, and the increased risk of heart failure in at risk populations who consume high levels of vitamin E supplements.