Olayiwola IO works in Department of Nutrition and Dietetics at Federal University of Agriculture, Nigeria. Olayiwola IOmain research area emphasize on Nutrition of the vulnerable groups, Nutritive values of foods, Food Consumption studies and Public Nutrition, Micronutrient fortification and recipe development, Maternal and Child Nutrition.

Olayiwola IOmain research area emphasize on Nutrition of the vulnerable groups, Nutritive values of foods, Food Consumption studies and Public Nutrition, Micronutrient fortification and recipe development, Maternal and Child Nutrition.