5'9 135, Trying to gain weight

[Anthony1414]

Hello I'm currently 5'9 weighing in at 135 lbs I am pretty skinny as you can see by the height to weight ratio. I was simply wondering if it is possible to gain 15 pounds in 50 days and if it is what would I have to do. I do understand that it won't all be muscle because its impossible to gain that much muscle in 50 days.

[ACSZZ1988]

You have to eat more.

You are 15 years old. Eat as much as possible

[shoefanatic23]

Start to consume more food. I am assume you are in high school for the majority of the day, so you will probably need foods that can last in your backpack. Here are a few examples of foods you can at school: apples, bananas, granola bars, granola, and peanut butter and jelly sandwiches (assuming you aren't allergic to peanuts). At dinner try to eat a bigger portion if possible. If you aren't sensitive to dairy, add in some milk/chocolate milk for some extra calories.

[TrainerTone]

Why are you wanting to gain 15 pounds in 50 days? It's not good to rush when it comes to fitness. It's a marathon, not a sprint. Sure you could gain 15 pounds but most of it will not be muscle. You have to figure out your TDEE and then add 300-500 calories to that number. That will put you in a caloric surplus and will be the amount of calories you need to consume on a daily basis.