Because you have to learn the correct training methods.
Including the correct training movements of muscles in various parts. For example, biceps brachii can be lifted with one-arm dumbbell, three heads can be flexed and stretched with dumbbell, pectoralis major can be pushed with barbell, abdominal muscles can be rolled up, and back width can be pulled up or down. Back muscles can be zoned with instruments, and so on.
During this study period, you can eat more eggs (egg white), chicken breast, beef and so on. Remember to eat protein food such as milk two hours before training, eat milk half an hour after training, and use high-sugar fruits, such as bananas, to make muscle growth recover faster.
In this way, your body will become strong in three months. When you fully master the training knowledge and want to make the muscle circumference bigger, you can choose to take protein powder and creatine. If you just exercise, you can have enviable muscles only by eating complementary food.
Protein powder is whey protein powder, which is extracted from milk and has the characteristics of fast absorption and easy absorption. It can quickly provide amino acids needed for muscle synthesis and growth after training, so as to achieve the purpose of muscle gain.
Creatine mainly provides energy for muscles quickly, making muscle cells bigger and muscles grow to a certain extent, but its main function is to provide energy for heavy load training.