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11 Amazing Uses for Onions You Never Knew About

Onions–you either love ’em or you hate ’em.

If you love ’em, you’re in luck: onions are part of the allium genus of plants that includes leeks, garlic, and shallots–all of which have the unique sulfur compound allicin that accounts for their strong smell and flavor.

Allicin has been proven to have antibacterial and antiviral properties (offsets the fact that it makes you cry). An ancient vegetable, onions have been part of traditional cuisines all over the world.

Older cultures know of onions’ medicinal properties, too, and modern science is discovering how the plants’ chemical composition helps human health.

Here are some of the ways in which onions promote our health. They may be a little smelly but definitely worth a try.

1. Blood Sugar Stabilizer

Sulfur-containing compounds in onions (and garlic)–the stuff that makes you cry–have been shown to reduce blood sugar and cholesterol levels. Onions are a prime food source of the mineral chromium that is necessary for regulating blood sugar.

The fiber, potassium, and other phytonutrients also support the production of insulin, the substance the body produces to regulate glucose in the blood.

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2. Cancer Prevention

The same sulfur compounds that regulate blood sugar arrest cancerous cell growth. Over the course of thirteen years, several case-control studies performed in Italy and Switzerland involving tens of thousands of people found that onions and garlic were significantly effective against oral, esophageal, colon, rectal, laryngeal, breast, ovary, renal, and prostate cancers.

3. Dark Spots on the Skin

After washing, rub red onion directly on dark spots on the skin to lighten hyper-pigmentation.

The flavone (a type of photo-antioxidant) quercetin induces the production of melatonin, one of the hormones responsible for (among other things) skin pigment. By rubbing onion on the spot, normal pigment genesis is promoted.

4. Detoxification

The sulfur in onions promote the production of glutathione, a powerful antioxidant. It activates enzymes in the liver to help flush out toxins.

That, in combination with quercetin, have been shown to alleviate toxicity in the body.

5. Immune Support

In addition to antioxidant and other phytonutrient content, onions are a good source of vitamin C. This vitamin has been found to kill every virus known to humankind.

Onions themselves are antibacterial; eating them may prevent gastric ulcers by preventing growth of Heliobacter pylori, the bacteria that cause them.

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