1, some bad ingredients, such as heavy metals, will seep out because of long-term soaking.

2. When the organic ingredients are concentrated, bacteria will breed, and diarrhea will occur the next day.

So what if you don't care about these two points? Then drink it.

Heavy metals, etc. In fact, there are not that many. Occasionally drinking overnight tea will not be poisoned. Of course, drinking it every day may cause poisoning.

Will the tea soup turn sour? Some will, and more won't, because there are still few nutrients.

From a health point of view, it is not appropriate to drink overnight tea, but it does not mean that drinking it will kill you, just like smoking.

Acanthopanax senticosus tea is not an ordinary tea, but its overnight tea principle is the same.