Because honey water contains sugar, not pure water. Fructose in honey can only be absorbed and utilized by the human body after it is metabolized into glucose, so the time for kidney to urinate is relatively slower than drinking a cup of boiled water, which reduces the effect of detoxification on the body and loses its meaning.
And drinking honey water on an empty stomach is easy to cause gastric ulcer. Honey belongs to sweets, sweets will increase the secretion of gastric acid, and hyperacidity is harmful to gastric mucosa. Drinking honey water on an empty stomach for a long time is easy to increase the acidity in the body. After a long time, you will have too much stomach acid and get gastric ulcer or duodenal ulcer. So it is best not to drink honey water on an empty stomach. It is recommended to drink after meals.