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EFSA recommends significant increase in the upper safe limit for vitamin D

The European Food Safety Authority, EFSA has since 2002 developed evaluations for the EU parliament on the safety of a variety of supplements.

In 2002, EFSA evaluated the upper safe limit for intake of vitamin D to be 50 micrograms daily for adults. It is this limit EFSA has been asked to reevaluate based on a series of new research findings. EFSA is basing, among others, their evaluation on two studies of men who daily consumed between 234 and 275 microgram vitamin D a day without gaining an increased content of calcium in the blood, which is a symptom of an overdose of vitamin D.

To guard against possible uncertainties in these studies, EFSA has proposed that the safe limit is set to 100 microgram daily, which is a significant increase in the previous limit.

Existing limit values are still valid
In European countries the recommended daily allowance (RDA) is around 5 micrograms for adults and 5-10 micrograms for children and elderly people. If the new recommendations from EFSA are approved by the EU Commission it can mean a significant change in the European recommendations.

EFSA's proposal is as follows:

Age children Upper level safe for ingestion (UL) for the vitamin D (µg / day)
0-1 years 25 micrograms
1-10 years 50 micrograms
11-17 years 100 micrograms
Adults ≥ 18 years (including pregnant and nursing) 100 micrograms

Source: EFSA Journal 2012; 10 (7): 2813
August 2012