Don't try diet pills, otherwise it will cause irreversible damage to nerves and internal organs, and you will regret it for a lifetime.
Dietotherapy is possible. If your weight is much overweight, diet therapy can achieve the effect of conditioning your body faster, and your weight will drop significantly, but it is not a laxative. Don't expect it to happen overnight.
Moderate exercise helps to maintain physical and mental health. It is good to exercise every day.
Work and rest rules are very important.