It is not recommended to eat those protein powder, muscle powder and other products now. In your present size, you can only do some light or moderate exercise. You can do some exercises at home, such as push-ups, sit-ups, squats, pull-ups and proper running. Eat more meat, eggs and beans for three meals a day. In addition to three meals, meals are also added in the afternoon and evening. With your present figure, as long as you keep exercising, you will have obvious effects in two or three months. When your body has laid a solid foundation, go to the gym. If you plan to build a perfect figure like a bodybuilder, you have to do a lot of exercise, and then consider buying some whey protein powder, creatine and muscle-building powder. In addition: Muscle-building powder is suitable for people with thin or normal body shape, and protein powder is suitable for people who want to lose weight. However, from an economic point of view, it would be better to buy WPC80 protein powder, which is more than N cheaper. It is the raw material of genuine muscle-increasing powder and protein powder, and the nutrition is not bad at all except the taste. Of course, if your financial conditions are good, you don't have to consider it.