Hii aspirants

let me clear your doubt.

yes you can become a nutritionist after bsc in chemistry. To become a nutritionist you havr to pursue M.Sc in Nutritionwhich you can do  even after B.Sc Chemistry. There is no any restriction about subject selection. For this first of all you need to clear entrance examination of any institute in which you want to get admission

I hope my answer will help you out

Good luck