Onion is a very common vegetable in our daily life. We all know that onion is very nutritious and is very beneficial to our health. However, have you heard that onion can also help lose weight? Recently, many experts have pointed out that onion not only is a good food for weight loss, but also can help expel the toxins out of human body. Then why onion has such magic effects? This is mainly due to the various nutritious components contained in onion. The magic effects of onion are mainly as follows:

First, to eliminate the toxins out of the body
The selenium contained in onion has a strong antioxidant effect. It can combine with mercury and other toxins, and then expel them out of the body.

Second, to promote the detoxification ability of the liver
Onion contains a large number of sulfides, which can promote the detoxification ability of the liver. These odor components in onion can make the detoxification enzyme in liver fully play its function.

Third, to promote the metabolism ability of liver fat
This effect of onion is mainly due to the glutathione contained in it. Glutathione is a kind of peptide which contained sulfur amino acids. It has a strong antioxidant effect, which can improve the function of liver and promote the metabolism of liver fat.

Fourth, to prevent aging
Onion contains a great amount of quercetin, which has an anti-aging effect and can help eliminate the fat in human body. It is a strong antioxidant, which can inhibit the aging caused by the free radicals in human body.

Fifth, to improve constipation
The sulfur components contained in onion can promote the peristalsis of intestines and stomach. At the same time, its rich content of soluble dietary fiber can stimulate the movement of intestines and stomach. What's more, the oligosaccharides can inhibit the reproduction of harmful bacteria in the intestines, so as to effectively improve constipation.

Sixth, to lower blood sugar
On one hand, onion has the effect of lowering blood sugar; and on the other hand, it will not cause hypoglycemia. Therefore, it is kind of safe and effective health food.

Seventh, to improve the complexion and texture of the skin
The glutathione contained in onion not only can inhibit the formation of melanin, but also can improve eczema, dermatitis, urticaria, liver spots, and other skin problems. What's more, it can also protect your skin from the harms of ultraviolet and can whiten your skin.