Gaining weight with in a week is not an easy task, as it requires a significant increase in calorie intake and a shift in dietary habits. Sometimes there’s a need to actually put on weight. However, it is not advisable to try to gain a significant amount of weight in just 7 days, The best way or solution to gain weight is to eat right and eat more. Here, we will teach you how to eat to maximize your muscle growth fast and increase weight gain.