Hello Im 22 Years Old And Im Wondering What Food

Hello Im 22 years old and im wondering what food should i eat to regulate my period. To be honest i really don't know when will my period come. Sometimes my period lasts 2-3 days only and it is so light.Last month i didn't get my period but a already checked it im not pregnant. Is it still possible to to have a regular mesntrual period?
Thank you and please consider my question.