Desperate to lose weight HELP!

Hey yall so i am eagerly desperate to lose weight. I feel like i have tried everything and nothing is working. Ive tried lowering my cal intake, working out three times a week or more, diets, keto, intermittent fasting you name em. I have a friend who lost a bunch of weight by taking a “headache medication” and im jealous bc i want to look like that and lose weight. The way inlook and self esteem as a lot to do with how i look and ive fallen into a depression about this and am currently in therapy. Does anyone know what i could do to lose weight? please help