No drugs or suppressants necessary.
Eat very low carb, high fat, moderate protein.
Don't eat sugar, flour products or other high carb foods which spike your blood sugar and insulin and make you hungry a short while later.
What foods to eat:
Meat, eggs, fish
Non-starch vegetables (green)
Beans, lentils (but not a lot)
Cheese, cream
Nuts, seeds
Butter, oils