If you eat after fitness, don't eat before fitness, or feel a little weak, just eat something that can quickly replenish your strength, such as bananas and chocolates. After fitness, do relaxation exercises when muscle congestion decreases.
You can eat high-protein food.
If you eat before exercise, your stomach needs a lot of blood to digest, and your muscles will be congested during exercise, which will lead to conflicts. Therefore, eating before fitness is easy to digest.