Starting with there is no pills or powder or shake which can help you to lose weight in a healthy way. To lose weight eat an hour within walking up and dinner at least 2 hours before you sleep. Avoiding eating anything after dinner. Breakfast should be your king size have good carbohydrates and protein rich. Eat every 2 hours small frequent meal do help in weight loss
. Being a dietitian I would say do not overeat. One can come to ideal body weight with few lifestyle modification. Have green tea only 2 cups a day. For exercise I would say diet
plays 80 % role and exercise plays 20 % role in losing weight. Personal advise on gym. You should not male your body habituated with machines rather do simple walk or surya namaskar. So only with healthy eating one can lose weight.