Following a request from the European Commission, the Panel on Dietetic Products,
Nutrition and Allergies (NDA) derived Dietary Reference Values (DRVs) for niacin. Niacin is
a generic term for nicotinic acid and nicotinamide. Niacin can be synthesised in the human
body from the indispensable amino acid tryptophan. Approximately 60 mg of tryptophan
yields 1 mg of niacin defined as 1 mg niacin equivalent (NE). Long‐term inadequate intake
of tryptophan and niacin can lead to the development of pellagra. In the absence of new …

Following a request from the European Commission, the EFSA Panel on Dietetic Products,
Nutrition and Allergies (NDA) derived Dietary Reference Values (DRVs) for vitamin E. In this
Opinion, the Panel considers vitamin E as α‐tocopherol only. The Panel considers that
Average Requirements (ARs) and Population Reference Intakes (PRIs) for vitamin E (as α‐
tocopherol) cannot be derived for adults, infants and children, and therefore defines
Adequate Intakes (AIs), based on observed intakes in healthy populations with no apparent …