Health Benefits of Onion

It is known as the bulb onions but commonly as onions. Scientifically it is named Allium Cepa. In other countries, it is also known by the name of pyaz, Kanda, Dungri (Hindi), Vengayam(Tamil) or Pyajj (Bengali).

Health Benefits of Onion

In daily life onions have many benefits on health as they are:

1. Antiseptic and Antibacterial:

Onions have a great property that many people don’t know. As an antiseptic or antibacterial, when a raw onion is placed near to a sick person it absorbs all the sickness right out of them.

Save your family and stay happy, place a few cut up onions in your house that will absorb all the harmful bacteria from your house and save your family from many illnesses.

2. Heart Health:

By antioxidants, onion decreases triglycerides that reduces cholesterol level. Flavonoids and organosulfur found in onions contribute to heart health and prevent heart diseases. Thiosulfinates are blood thinners and due to their presence in onions, they help to prevent heart attack and stroke.

Heart Disease Lifespook

3. Fight Cancer:

Allium genus like onion and garlic both help to fight against cancer, including stomach and colorectal. Recent researches have shown that those people having more onions in their diet have a lower risk of stomach cancer compared to those with the least amount.

Tumour development is also inhibited by eating onions. Onions contain quercetin and anthocyanin in high levels that help to destroy breast and colon cancer cells.

4. Lowers Blood Sugar:

Onion contains many of the compounds it that help to lower the blood sugar level. sulphur compounds like S-methyl cysteine and quercetin are found helpful for this purpose.

Firstly experiment is done on the diabetic rat which clear that onion extract can help to lower blood sugar levels.

5. Boosts Immune System:

Onions contain selenium that stimulates immune function. Immune cells deficient in selenium have difficulty in producing important proteins and transporting calcium.

Immune-boosting nutrients like selenium, sulphur compounds and vitamin C that are the source of quercetin are found in onions.

6. Fights Against Diseases:

Onion and onion juice helps to fight against Tuberculosis, Asthma and Chronic Bronchitis, Aids in cholera treatment, fever and flu-like many diseases.

7. Aids Digestion:

As already mentioned that onion is primarily a source of fibres and prebiotics, which are necessary for optimal gut health.


Onion boosts digestive health due to prebiotics that is nondigestible types of fibre that are broken down by beneficial gut bacteria.

8. Retards Blood Clotting and Lower Blood Pressure:

Onion containing compound rutin helps to prevent blood from clotting. When a blood clot is formed, the rutin in the onion helps back to the enzyme (protein disulphide isomerase) for a breakdown of it, due to this blood pressure remains normal.


9. Cure Fever and Allergies:

Onion is also included as a food ingredient to cure fever. They are also considered herbal medicine that controls flu and cold.
By preventing cells from releasing histamine they can allergies and can help prevent inflammation. nasal congestion is reduced by the antihistamine properties of onion. Onion help to break down the mucous.

10. Brain Health:

Recent researches have shown that antioxidants in onions bind with harmful toxins present in the brain and flush them out of the body.

Protect Brain Health

The Hippocampus, the part of the brain, is maintained by the extract of onions. Sulphur containing compounds in onion can slow down age-related memory loss.

11. Enhance Sleep:

Onion contains prebiotics that reduces stress. During digestion when beneficial bacteria digest prebiotic fibres in the gut they produce metabolic byproducts. These byproducts can induce sleep

12. Bone Health:

Onion helps to prevent osteoporosis that mostly occurs during old age. Researches have shown that women taking onions in their diet regularly had 5% more bone mass than those who ate less.

Watermelon Stronger the bone

13. Peels of Onion:

Peel of onion that most of the people thrown out in their garbage have great use. The skin of onion contains flavonoids in huge quantities which is effectively anti-inflammatory and antioxidant.

Uses of Onion in Daily Life:

1. Hair Growth:

By applying the juice of onion on the scalp provides sulphur to the hairs which in return gives strength to them and makes them thick. Collagen that is present in the skin, with the help of onion promotes healthy skin cells and hair growth.

2. Oral Health:

Thiosulfinates and Thiosulphonates, that are the compounds of sulphur present in the onion and kills harmful bacteria that damage teeth and prevent them from tooth decay. The raw onion should be used for this purpose because cooking might destroy beneficial compounds from the onion.

3. Raw or Cooked Onion:

Many people get confused about using onion, either raw onion is more beneficial for health or cooked onion. Raw onion contained flavonoids in higher concentrations than cooked onion because cooking kills many bacteria that are helpful for diet.

4. Can I Use Onion For Weight Loss?

Due to the presence of soluble fibre, onion becomes a powerful prebiotic food. Recent researches show that eating onion makes the gut healthy, which is important for weight loss and belly fat loss. A person is free from obesity and becomes healthy, wealthy and fit.

Lose Weight without Diet or Exercise


Raw onions contain 40 calories per 3.5 ounces (100) which is very low in calories while they contain minerals and vitamins in high concentration. Onions contain vitamin C in high quantities that involve regulating immune health, tissue repair and iron absorption, which is healthful for bones.

Onions are a reasonable source of fibre depending on the type of onion it presents in distinct quantities. Onions are the main dietary source of fructans which is the healthy soluble fibre present in onions. Carbohydrates are also found in onions that makes up about 9-10% of both raw or cooked onions.

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