RB, seriously? You must be very young.
Shrek, for one thing we switched to whole wheat matzoh a while a go and that helped a lot. Try to stay away from “fried” foods. Pepcid AC is also very helpful.
The no no’s if you experience heartburn are: caffeine, chocolate, alcohol, soda, fried foods, spicy foods.
And the most important is NOT to lay down after eating, and never lie flat use at least two pillows.