Fertility what to do??

Cassi • Single Momma of Four Graci 5-7-15 Graeson 9-7-16 Gabriel 8-6-19 and Baby G due 6-25-22! Angel Momma.
Does anyone know like tricks or food, vitamins that boost fertility. I read prenatals and other vitamins will help but is there food for both him and her?? Tricks?