If you are just starting to exercise, in fact, in addition to the normal three meals a day, add a meal in the afternoon, drink some milk or eat three or five eggs, a few slices of bread, and eat an apple if possible; Add a midnight snack in the evening, which is similar to noon. This way, nutrition will definitely keep up.
If the strength does not go up, it is estimated that it has a lot to do with rest. After training, nutrition is not enough, and rest is not in place, so it is difficult for muscles to recover, and strength will naturally fail. Therefore, in addition to insisting on a certain intensity of training, we must also ensure nutrition and rest. Only in this way can we practice stronger. Come on!