Diarrhea after drinking protein powder may be mainly caused by weakness of spleen and stomach, or by drinking protein powder on an empty stomach. It can temporarily reduce the consumption of protein powder. At the same time, pay attention to eating as little as possible after meals, and you can also apply drugs to regulate the spleen and stomach.

Try not to eat any cold food and irritating food, but also pay attention to keep your stomach warm. You can also take probiotics orally regularly, which will reduce the incidence of diarrhea. Be careful not to eat any irritating food when drinking protein powder.