Onions boiled in water to drink is a common food, no drug efficacy and effect, can only provide part of the body carbohydrates and other nutrients.
Onion is a common vegetable, every 100 grams of onion contains 40 calories, of which 9.0 grams of carbohydrates, 1.1 grams of protein, 0.1 grams of fat, vitamin C 7.4 mg, calcium 23 mg, iron 0.21 mg.
Moderate intake of onions boiled in water can make some of the nutrients of onions dissolve in water and help the body to replenish water. At the same time some of the vitamins, minerals and carbohydrates can be dissolved in them in the right amount to supplement certain nutrients.
But onion boiling water and nutrients are limited, nutritional value is not high, not to mention the role of drug treatment and prevention of disease, so there is no special effect. If the body is unwell, it is recommended to consult a doctor in time, can not rely on onion boiled water to treat the disease, in order to prevent delays.