If you drink barley tea in moderation for a long period of time, it is generally not harmful, but if it is consumed in excess, a few people with poor gastrointestinal function may experience abdominal distension and other discomforts.
Barley tea is the barley for frying, with boiling water brewed from, will have a relatively strong wheat flavor. Barley contains certain nutrients, such as 73.3g of carbohydrates and 10.2g of proteins per 100g of barley, which is good for the body to replenish nutrients when consumed in moderation. Generally, barley tea can be consumed for a long time, but the daily amount should be moderate.
If consumed in excess, some people with poor gastrointestinal function may experience symptoms such as bloating and indigestion. Usually there will be some relief after stopping drinking.
It is recommended to consume a moderate amount of the product daily, and to seek medical attention if you experience any physical discomfort.