Protein powder, B vitamins, malt oil (vitamin E), fruit cellulose (eat half an hour before meals and drink plenty of water).

You can choose these according to economic conditions, and B family and fruits and vegetables are indispensable. I won't mark how much I eat every day. There are many books, just a little more than those on the packaging bottle.

If you want to lose weight, you must cooperate with strenuous exercise more than twice a week (this "strenuous" degree should be that you can persist for at least one month) for 30 minutes each time.

If you are too tired from exercise, you should strictly control your diet, except fruits and vegetables.