IUNS abụrụla onye otu kemgbe 1968.
A tụlere atụmatụ ka e guzobe International Union of Nutritional Sciences (IUNS) na July 1946. Afọ abụọ ka e mesịrị na nzukọ ọzọ, a họpụtara otu Kọmitii Executive ma tụlere ụkpụrụ na iwu. A họpụtara IUNS ka ọ bụrụ onye otu ICSU na 1968. Ebumnobi nke IUNS bụ: ịkwalite nkwado mba ụwa na ọmụmụ sayensị nke nri na-edozi ahụ na ngwa ya; iji kwalite nyocha na mgbanwe nke ozi sayensị na sayensị nri, site na ijide nzuko na nnọkọ, site na mbipụta, na ụzọ ndị ọzọ kwesịrị ekwesị; iji guzobe ndị ọrụ na-arụ ọrụ na ndị ọzọ dịka enwere ike ịchọrọ na ịchụso ebumnobi abụọ mbụ; iji nye ụzọ nkwurịta okwu na òtù ndị ọzọ, na ịkwado ikere òkè na ọrụ nke ICSU, nke Union bụ onye òtù; ịzụlite ọrụ a na-ewere dị ka ihe na-enye aka na dabara adaba n'imezu ebumnobi nke otu.
IUNS kwadoro ọgbakọ nke iri na asaa International Congress of Nutrition, (Vienna, Austria, Ọgọst 17). Isi ọrụ sayensị nke IUNS bụ ndị ọrụ ya na kọmitii ya. Mmekọrịta ya na otu mba ụwa ndị ọzọ na-akwalite IUNS n'imezu ebumnobi ya. Ụfọdụ kọmitii bụ kọmitii IUNS/IUFoST jikọrọ aka. IUNS nwere ọkwa ndụmọdụ pụrụ iche na FAO, WHO na United Nations Children Fund, bụ onye otu onye otu Council for International Organisation of Medical Sciences, wee binye aka na Memorandum of Understanding na Mahadum United Nations. Mmekọrịta chiri anya dị na UNESCO, IAEA, UNEP yana otu ICSU dị iche iche, yana International Union of Food Science and Technology. Ugbu a IUNS nwere 2001 Adhering Bodies na 68 Adhering Bodies with Observer status.
