Onions are nutrient-dense, meaning they’re low in calories but high in vitamins and minerals.

One medium onion has just 44 calories but delivers a considerable dose of vitamins, minerals and fiber.

This vegetable is particularly high in vitamin C, a nutrient involved in regulating immune health, collagen production, and tissue repair and iron absorption.

Vitamin C also acts as a powerful antioxidant in your body, protecting your cells against damage caused by unstable molecules called free radicals.

1) Raw onion is known to lower the production of LDL (bad cholesterol) and keep your heart healthy.

2) The vitamin C (which remains intact while they are in the raw form) along with the phytochemicals present in onions helps build immunity.

3) Quercetin, a powerful compound found in onions, has been suggested to play a role in preventing cancer, especially stomach and colorectal cancers.

4) Chromium, also present in this root vegetable, may help regulate blood sugar.

5) A mixture of onion juice and honey (which helps make it less pungent) is said to be effective as a cure for fever, common cold, allergies, etc.

6) Keep a small piece of onion under the nostrils and inhale, to stop or slow down a nose bleed.

7) Folate in onions also helps with depression and aids sleep and appetite.

8) The vitamin C helps formation of collagen that is responsible for skin and hair health.

9) Antibacterial and anti-inflammatory properties of onions have been proven. One study also suggested that freshly chopped raw onions have these anti-bacterial properties,not chopped onion which has been allowed to sit for a day or two.

10) Chewing raw onions improves your oral health (though your breath may stink). They help eliminate bacteria that can lead to tooth decay and gum issues.