1.Reduce Blood Sugar Levels
The regular consumption of onions also have been shown to lower the blood sugar levels. A study found that onion contain allyl propyl disulfide that helps to reduce the glucose levels by increasing the amount of insulin.
2.Stimulate Hair Growth
Onion is rich in sulfur, which is one of the essential nutrients in promoting hair growth. A study has shown that applying onion juice on scalp twice a week for two months will stimulate hair regrowth.
3.Improve Digestive Function
Onions are a good source of dietary fiber and prebiotics that encourage the growth of good bacteria (probiotics) in the digestive system, thereby improving digestive function.
Onion extract is rich in a variety of sulfides, which provide some protection against tumor growth. Some studies have shown, regular consumption of onions helps to reduce the risk of several cancers such as colorectal cancer, oral cancer, laryngeal cancer, stomach cancer, esophageal cancer, and ovarian cancer. It is suggested to consume one onion serving per day (approximately 1/2 cup).
5.Good for Skin
The onions help in stimulating the circulation of blood in the mucous membrane. It can be applied as a poultice to boils, bruises, wounds, etc. Onion juice mixed with honey also can be the best home remedy for acne.
6.Lowers bad cholesterol
Studies at the Chinese University of Hong Kong show that onions (especially the red ones) can help reduce the levels of bad cholesterol. Studies show that consuming half a raw onion Everyday can help to raise the good HDL cholesterol by 30%. Chives, garlic, and shallots are also useful. They all come from the Allium family.