Skip to content

Onion Benefits: 10 Proven Benefits of Eating Onions

Fresh Red Onions

Red onions, also referred to as purple onions, include purplish red skin and white pulp tinged with red. They’re medium to large size and are often eaten raw, grilled or cooked with some other foods, or additional as to salads. Onion does not just make food tasty but it is also good for your health. Here we are telling you about 10 health benefits of onions.


One cup (about 160 gram) chopped onion contains (✔️)

Onions are also a great source of vitamin A, vitamin C, phytosterols, folate and choline.


Onion and Health

Although we utilize them as spices into our food, red onions have a lot of health benefits besides incorporating oodles of taste into the food. Some of the main advantages of eating onions are —

1. Control Blood Sugar:

Onion plays an essential role in blood sugar regulation, due to the fact that they have a mineral component, called chromium. It is believed that in summer eating onion or drinking its juice does not cause heat and the sugar level of diabetic patients is also under control. Recently released research is believed that quercetin in onions helps in controlling diabetes.

Controls Diabetes

A study published in the Journal Phytophthora Therapy states that taking 500 mg or more of quercetin daily in eight weeks reduces the level of increased blood sugar in patients with diabetes.

Another study has emerged, which was tried on mice. In this study, mouse was consumed the right amount of onion for about 28 days and it was found that the sugar level remained quite controlled. Due to quercetin and sulfur contents in onion, it is very beneficial for diabetes patients.

2. Onion for Hair:

Everyone loves to take care of their hair, women also try many types of hair treatments. Most people prefer to use home remedies to treat hair. Because not everyone is able to easily rely on external things. That is why natural therapy is given more consideration. But do you know that your hair can be taken care of onions in your kitchen? Yes, by using only onions, you can bring back the strength and shine of your hair.

Onion juice is not only beneficial for growing hair fast and to keep their strength successful, but also in many other ways. Onion is considered a good source of potassium, vitamins A, C and E, hence it is very effective in regrowing the hair and also prevents damage from the use of chemical treatment.

It is a natural oxidant, which helps in keeping the hair shiny. So you can make your hair healthy and thick by using this simple method. For this, you only have to do some small things. First of all, you have to take some onions and remove their outer skin and cut them into small pieces.

Onion for healthy hair

Then, blend the chopped onion pieces in a blender and blend them well until it is well crushed. After this, keep this ground paste in a cloth and remove all the water from it. Collect all the paste water in a vessel. Mix this water from the onion paste with your hair oil. You can mix this juice with whatever hair oil you use. After this start applying this mixture of oil and onion juice to the roots of your hair. Gently massage it all over the head.

After applying this mixture well on the hair, wash the hair with shampoo after 35-40 minutes. Do this whole process at least twice a week. After a few weeks, you will start seeing its results. Onion juice should be applied to the roots of hair to get rid of lice and hair fall. Massaging the hair with onion juice stops hair loss and also gets rid of dandruff.

3. Onion is An Effective Medicine:

If someone cuts a worm, applying onion juice can relieve burning sensation and pain. When bleeding from the nose, pouring two-three drops of onion juice stops bleeding. Eating raw onions does not cause heatstroke. If you feel sunstroke, drinking onion juice or rubbing it on the floor gives relief.

Healthy Onion

Not only this, even if you take a piece of onion with you, there will be no heat. If there is pain in the joints, by adding onion juice in mustard oil will benefit. Putting a few drops of onion juice in the ear helps in relieving ear pain. In case of pain, it is advisable to put a few drops of onion juice in the ear with the help of cotton.

4. Beneficial in Cold-Cough, Fever, Abdominal Pain and Anemia:

Eating equal quantity of onion juice and honey helps in relieving cold, cough and fever. Eating onion is beneficial in gastric syndrome and constipation. The fibers present in the onion work to clean the stomach.

5. Boosts Immunity:

Trace mineral selenium is found in higher concentrations in onions than in other vegetables, which helps to reduce inflammation and stimulates immune function. A study of journal Antioxidants and Redox Signaling, published in April 2012, reported that selenium helps to initiate the immune response and prevents excessive immune response.


Immune cells, deficient in the mineral selenium undergo more oxidation, causing them to develop and reproduce inefficiently. Immune cells that are selenium-deficient, also have more difficulty producing proteins and transporting calcium.

6. Insomnia, Headache and Toothache Relief:

If someone has an inability to sleep, eating onion will definitely benefit. Onion can also be used for headaches. Mixing one tablespoon of onion juice and sugar in three teaspoons of water will give relief. Eating onion also relieves tooth and mouth pain.

7. Onion for Skin:

Onion is also very beneficial for skin and hair. Mixing thirst juice in olive oil and applying it on the face provides relief from pimples. Onion also reduces premature wrinkles and keeps your skin young and healthy.

8. Onion for Heart Health:

Raw pieces of red onions are actually good for your heart. It’s because they promote generation of high density lipoprotein, which minimizes the risk of heart disorders, such as, myocardial infarction and stroke.

Healthy Heart

Low density lipoprotein and on the flip side leads to heart disease as a result of levels of cholesterol from the arteries that triggers cardiovascular diseases. In this way, it keeps your heart healthy.

9. Fights Against Cancer:

Red onions are important in the war against cancer. It’s because they contain a strong chemical, known as quercetin. Quercetin belongs to a group of plant pigments, referred to as flavonoids.

It’s accountable for giving onions their red color. Quercetins role is into inhibit the growth of cancer cells, which range from breast, colon, and prostate into ovarian cancer. It’s been shown through research that intake of quercitin lowers the risk of lung cancer.

10. Have Antibacterial Properties:


Onions comes with antibacterial properties, which fight with dangerous bacteria, such as Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus and Bacillus cereus. (✔️)

Onion extracts inhibit the growth of Vibrio cholerae. (✔️)

Quercetin present in onions, seems to be a particularly powerful way to fight bacteria.

Other Benefits:

Unbeknownst to many individuals, onions are useful in relieving pain and particularly, pain caused by sting insects, which leaves a burning sensation. In case you’ve been stung by a bee, apply red onion juice on the affected area and you may experience immediate respite from the burning sensation.

Red onions are very efficient in fighting free radicals, which are accountable for obnoxious gastric ulcers. Eating onions away the free radicals and eliminate them from the gastric tract, thus reducing the potential risk of gastric ulcers.

Raw Onion

Pregnant women are advised that they should consume onion in excessive quantity, as it keeps them away from allergies and diseases. Onion is very effective in getting rid of problems during the period. Eating raw onion before the period starts is beneficial. So make sure to include onion in your diet !!


The health benefits of onions are really very impressive. These nutrient-packed vegetables contain powerful compounds, such as quercetin, which may help to reduce the risk of heart disease and certain cancers. Onions comes with antibacterial properties and promote digestive health, which may improve immune function. Adding more onions to your diet is an easy way to benefit your overall health.

Leave a Reply

Your email address will not be published. Required fields are marked *