26 Essential Health and Beauty Benefits of Onions

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2026
Benefits of Onions

Onions are a part of allium family and is valued for its medicinal properties around the globe. Numerous health and beauty benefits are accredited to onions. They have antibiotic, antiseptic, antimicrobial properties and are rich in sulphur, fibers, potassium, vitamin B and C, water, protein, starch, minerals, etc. Besides the delicious taste, this easily available vegetable can cure many diseases and can make you healthy. One of the most important things is that the health benefits of onions don’t get degraded when they are heated or cooked (not overcooked). Including onion in your diet is very important for several reasons. Have a look at these wonderful benefits.

health-and-beauty-benefits-of-onions

Health Benefits

There are numerous health benefits of onion. As they have lots of Vitamins, essential nutrients, and compounds, they can cure and treat several diseases. Have a look at some of them.

1. Menstrual Disorder

Consumption of raw onions, one week before the cycle helps correct menstrual cycle. The antioxidants in the onion keep inflammation in check. As lower the oxidized fatty acid, lower will be the inflammation. Several studies have shown that eating onions have a beneficial effect on premenopausal and postmenopausal bone density too. It can also reduce the pain during periods.

2. Cures Eye Problems

Studies have shown that regular consumption of onions can naturally improve eyesight. As it is a rich source of vitamin A, C, and E, which are essential for the eyes. Sulfur component in onion is also beneficial for eyes as it is known to prevent the formation of cataract.

3. Ear Problems

If you have a severe earache or earwax, then onion juice may help. It is known to soften any built up wax in the ear and reduce the inflammation that causes pain. It does so by killing germs in the ear as it is packed with lots of antibacterial properties.

4. Blood Sugar and Blood Flow

Balancing sugar level is important for proper functioning of the body. Onions contain chromium which helps regulate the blood sugar level. Onions help increase the insulin level due to the presence of a sulfur compound called allyl propyl disulfide. It is beneficial in both type 1 and type 2 diabetes.

5. Cancer Prevention with Onion

Onions are known to play a significant role in preventing cancer. Several studies have also shown that allium-containing vegetables are a good cure for this disease. The cancer prevention properties of onion are attributed to cancer-fighting compounds like anthocyanins, quercetin, organosulfur, that are present in these small bulbs. It reduces the risk of many types of cancer such as laryngeal, ovarian, and esophageal cancer.

6. Improves Immunity

Onions are rich in allicin which kills various bacteria and viruses. Quercetin, a compound in onion breaks down mucus in head and chest which in turn helps boost the immune system. It also provides strong immunity during an illness such as cold by increasing blood circulation and fighting against toxins when consumed raw.

7. Relief from burning Sensation

Onion juice helps treat burnt skin and bite of a bee or an insect. Initially, it may cause more burning sensation when the juice is applied on the burn due to its antiseptic properties but after some time, it helps heal the sting.

8. Support for Bones and Connective Tissues

Sulfur is very essential for the formation of important connecting tissues in our body such as tendon, cartilage, etc. These small bulbs being rich in this compound, help form these tissues. Another compound which is polyphenol helps build osteoblasts that are nothing but bone building cells. It is also believed to fight osteoporosis and atherosclerosis as it is rich in many vitamins. It also reduces the risk of arthritis and hip fracture.

9. Onions and heart

Heart problems are generally caused by bad cholesterol. Onion helps in burning the bad cholesterol and maintains the good one which is very important for heart’s health. Red onions are more beneficial as it is said to have similar properties as red wine and is believed to reduce the risk of heart stroke and attack.

  • Onions prevent platelets- clumping as they are rich in compounds that have fibrinolytic activity. It is also rich in flavonoids that protect against several heart problems.

10. Onion to Detoxify

Onions contain certain amino acid such as methionine, cystine, etc. These sulfur rich amino acids help eliminate heavy metal from the body. Vitamins in this vegetable are also essential for detoxifying waste from the body. These amino acids and vitamins can remove waste such as lead, arsenic, cadmium and even mercury from the body.

11. Asthma Treatment

Onions have lots of anti- inflammatory compounds that help decrease the severity of asthma attack and improves the symptoms of asthma. The flavonoids in these bulbs not only assist in strengthening capillary walls but also protect from the damage caused to the lining of lungs.

12. Eliminate Oral Problems

Onions, though have a pungent smell and makes our breath stink but, it is very helpful in treating several teeth related problem such as: tooth decay, cavities, and certain other problems. Chewing raw onion will help eliminate bacterias and germs responsible for these teeth related problems.

13. Cures Bleeding from Nose

Onion is a rich source of an antimicrobial element called allicin which is a good clotting agent and sulfur which acts as a blood thickening agent. Together with these elements, the fumes from the ingredient act as a coagulant which helps stop nose bleed instantly.

14. Gastric Ulcer

Flavonoids rich food helps treat gastric ulcers. The antioxidants slow down the growth of H. pylori bacteria which is responsible for the formation of these ulcers. It also protects the lining of your stomach. Onion being rich in flavonoids is thus beneficial for people with a gastric or peptic ulcer.

15. Insomnia

Lack of sleep can have dire health consequences.Onions have been used for years to treat insomnia. It balances cortisol, a stress hormone, imbalanced levels of which is one of the main factors responsible for primary insomnia. Any type of onion can be used for this purpose as the main component i.e. quercetin, that balances cortisol is present in each one of them.

16. Piles

Piles (or hemorrhoids ) appear when blood vessels around anus and rectum swell or become inflamed and sometimes start bleeding as a consequence of this. Onions can reduce the nerves irritation and aggravation and therefore prevent bleeding. It also eases out the discomfort in the swollen veins and is thus, beneficial in piles.

17. Cough And Cold Treatment

Coughing generally indicates the existence of a disease. It is caused due to the presence of harmful viruses and bacteria in our body. The sulfur in onions generates fumes and vapor that helps inhibit coughing.Another important compound, quercetin helps flush out toxins and hence help with the problem of cough and cold.

18. Reduce Sinus Infection

Sinus is the condition where you have green or yellow nasal discharge with symptoms like facial pain, cough, etc. Onions have lots of anti-fungal and antibacterial properties that are helpful for this condition. Eat some raw onions and immediately drink a glass of hot water to get relief.

19. Sexual Power

Onions have been known for its aphrodisiac qualities for decades. It helps improve libido and strengthen reproductive system. Consumption of onions with honey helps enhance sexual powers.

20. Mood Enhancer

Excess homosysteine in our body interferes with the production of serotonin, dopamine, and norepinephrine which are responsible for regulating mood. Onions, being rich in folate fights depression and mood swings by reducing the level of homosysteine.

21. Fights Fever

Quercetin in onions fights not only cough and cold but also fever. This amazing flavonoid has lots of antioxidants that reduce fever and symptoms associated with the same.

Beauty Benefits

22. Onions for hair

The sulfur in onions promotes blood circulation, production of collagen, and formation of keratin which acts as a main building block of hair. Catalase in these bulbs prevents premature graying. Furthermore, It prevents dandruff, hair loss, maintains natural hair color, and provides nourishment to your hair follicles.

23. Onions for Acne and Pimple

The anti-bacterial and anti-inflammatory properties of onion are responsible for fighting acne and acne causing bacteria which will in-turn give you a radiant look. The phytonutrients and vitamins present in onions will provide nourishment to your skin, and will reduce spot and pigmentation caused due to acne.

24. For Rough Patches

Onions are a wonderful natural ingredient to treat rough patches on the skin, especially on the elbows, knees, neck or any exposed area. These are generally formed due to several vitamin deficiencies and exposure to the sun. The acidic nature of onions helps reduce these patches effortlessly.

25. Benefits for Skin

Onions have skin lightening properties, and they act as a natural bleach which removes dead and dry skin cells. The phytonutrients in onion nourish the skin and helps lock moisture in it. Being rich in vitamin A, C, E, and other minerals, onion are excellent for rejuvenating the skin and protects it from harmful UV rays. Both application and consumption of onion and onion juice keep skin glowing.

26. For Dark Lips

Dark lips may be attributed to many factors such as smoking, use of low quality cosmetics, hormonal imbalances, etc. Onions juice can treat dark lips by removing the dark layer when applied regularly and makes them pink naturally.

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