WEIGHT GAIN HELP!

Miniya

hey guysss❤️❤️

so im coming on here because I feel like im too skinny and I really want to gain weight. everytime i try, my weight just goes back to what it was beforehand. does anyone know ways, diets, supplements (anything really) that can help me gain weight ? like my booty jiggle, but it dont move like I want it to ://