Gain weight? Yes, you heard right. Not everyone out there is trying to lose weight. How to gain weight fast is often a concern for people trying to build muscle mass or that require a certain weight for a specific sport activity or for their health. Of course, there are healthy and unhealthy ways to gain weight fast. In this article we'll take a look at some of the best things you can do to build weight in a way that is not detrimental to your health, but that is also effective. First, you will need to calculate the amount of calories you need in order to maintain your current weight. These are easy to find online and use an equation known as the Mifflin-St Jeor equation. Once you've done this, you will need to calculate how to gain weight fast by adding five hundred calories to the amount you need to maintain your weight. Do not forget to take into account your physical activity and add the amount of calories you burn doing that to your required total. Once you have calculated the calorie requirements comes the hard part changing your eating habits.how to gain weight fast gain weight fast bodybuilding how to gain weight fast for men

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