4. Blood Sugar Regulation
Root vegetable offers a lot of benefits for the human body, onions are one of those that offer more benefits than most. Onions are full of chromium, which is used to help regulate the levels of sugar in the blood. For those with diabetes, onions can help manage blood sugar levels and this helps controls the production or lack thereof, of insulin. There are several studies that show that extract from onions can help to lower the levels of sugar in the blood.
There are also sulfur compounds found in onions, specifically S-methyl cysteine. Combined, quercetin, and S-methyl cysteine have positive effects on blood sugar levels. The best results are seen when onions are consumed in partnership with metformin. This is a commonly prescribed anti-diabetic drug that helps diabetics to manage their condition. Polyphenols are also present in onions. Polyphenols also play a pivotal role in glycemic control in the body.