Hi,
The easiest way to gain weight is to add calories to your diet. For every kg of weight gain you will have to add about 1500-2000 calories to your diet. Your diet must include at least three basic meals, and two snack meals, which should include high calorie diet, shakes, ice cream, butter, oil, cheese, dense potato, spreads and bread.
You can try protein shakes available at any gym, and the above diet with a good work out plan,(as exercise will make you gain muscle mass) will help you gain ...
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