Ahmed A. Madar

Author information from the last article

Ahmed A. Madar er ph.d., ernæringsfysiolog og forsker ved Universitetet i Oslo og medlem av Nasjonalt råd for ernæring.

Articles by Ahmed A. Madar

New advice on vitamin D supplements and cod liver oil for infants

Gry Hay,
Lars Fadnes,
Kirsten B. Holven,
Nina C. Øverby,
Ahmed A. Madar,
Christine Henriksen

22.10.2020: Until recently, all parents have been advised to give cod liver oil to their infants. Now, cod liver oil is no longer recommended during the first year of life, but breastfed infants still need vitamin D supplements. In Norway we have a long tradition for recommending cod liver oil as a source of...

High-dosage vitamin D supplements are unnecessary

Kristin Holvik,
Haakon E. Meyer,
Ahmed A. Madar,
Magritt Brustad

08.04.2019: There is little evidence that disease can be prevented by administering high doses of vitamin D to persons with vitamin D status above 50 nmol/l. Overdoses may result in adverse health effects. We call for moderation in prescribing of vitamin D supplements for preventive purposes. There is...