Although soybean milk contains protein, it contains more water.

If you want to gain muscle, you can eat foods and drinks rich in protein, such as:

Livestock milk, such as milk, goat milk, horse milk, etc. ; Animal meat, such as cattle, sheep and pork. ; Poultry meat, such as chicken, duck, goose, quail, ostrich, etc. Eggs, such as eggs, duck eggs, quail eggs and fish, shrimp, crabs, etc. ; There are also soybeans, including soybeans, green beans and black beans. Among them, soybeans have the highest nutritional value and are high-quality protein sources in food; In addition, the content of protein in sesame, melon seeds, walnuts, almonds, pine nuts and other dried fruits is high.