In addition, my suggestion is that you can have a cup of black coffee and eat some bananas and carbohydrates before training, preferably for 6 minutes. You can try the effect. After retraining, you can add some carbohydrates, yogurt, whole wheat food and so on. Don't worry about calories. At this time, the body needs glycogen, carbohydrates and protein to repair muscles and help growth.
If the muscle soreness is not severe after training, you don't need the assistance of protein powder, and your daily diet is enough for your muscles to resume growth. Useless protein will only become a burden to the body and extra calories, so you need to use it aerobically. This is the rule of thumb.
1 month without exercise will not be very Big bounce. It is a good habit to develop the habit of stretching at ordinary times, which can help reduce muscle loss and continue your healthy diet.
Abdominal distension may be related to the stomach. I can eat some vegetables and fruits to help ventilation. For a while, my stomach was upset because I was used to eating big fish and big meat, and then I really needed an adaptation period.