10 Health Benefits of Onion

Onion is highly rich in Vitamin C, Vitamin B6, Potassium, Magnesium and Calcium. Health benefits of Onion includes preventing diabetes, improves cardiovascular health, strengthen immunity and Onion is good for skin and oral care.

Updated: July 1, 2021

Onion is a widely cultivated vegetable throughout the world with lots of health advantages. The scientific name of onion is Allium Cepa. Onions are also known as bulb onion or common onion.  Onion is one of the healthiest species foods in this world. It belongs to Genus Allium family. Onions are come with different color like red, yellow, green etc. Onions are lot of health advantages that includes help to prevent common cold and cough, respiratory issue, asthma, bacterial infections, angina. Onions are also very good to help with appetite problem and atherosclerosis.

Nutritional Value of Onions:

Onions are very rich in nutrients, vitamins, minerals

, and organic compounds. Onion are also very rich in minerals like calcium, sodium, magnesium, selenium, potassium, and phosphorus, and it  also have vitamin B6, vitamin c and dietary fiber!

Onion Prevents Cancer

Onions are high in strong antioxidants that inhibit the development and spread of cancerous cells. Onions are special food load with strong antioxidant called quercetin which are very helpful to prevent or reducuce cancerous cell. One of the other antioxidants found in onion is Vitamin C, which might reduce the presence and impact of free radicals throughout the body. Generally free radicals are the main cause of cancer because it converts healthy cells to cancerous cells.

Onion Is Good for Oral Health

Onion is very strong in smell due to that it is also known for bad breath. However onions are rich in antioxidants which are very helpful to prevent tooth decay and oral infection. As per the researcher chewing raw onions can kill all the germs from mouth, throat and lips which is very useful for our oral health.

Onion Improves Immune System

Immune system is a very vital part of our body. Its plays an important role by protecting our body from foreign invaders likes microorganism and virus etc. Our Immune system is a defense system for our body from any type of disease and infection like cold, cough etc. They are made up a network of cells, tissues and different organs. So it is very important to take good care of our immune system to keep our health disease free. Antioxidants found in onion are very useful for our immune system because it helps to remove free radicals from our body and stabilizes them from causing oxidative damage to our body cells. It also helps to prevent various types of cancers like skin cancer, breast cancer, colon cancer and lung cancer etc. Onions are also high rich in phytochemicals that actually increases the efficiency of Vitamin C. Vitamin C is very useful to boost our immune system and therefore prevent various time of illness.

Onion Improves Cardiovascular Health

Onions are mainly famous for anticoagulant and blood thinning nature. Adding onions on a daily diet can be very useful to keep our cardiovascular health good. Due to high in antioxidants regular consumption of onion helps to prevent red cells of our body from forming clumps, this might the main reason of creating block and clogs in our arteries which is further result in cardiovascular diseases. Potassium found in onion act as a vasodilator, it helps to relaxes our blood vessels and improve blood circulation. Due to improve in blood circulation it helps to lower the blood pressure in our body. High blood pressure is the main reason of various type of cardiovascular disorders. Regular consumption of onion can help keep our cardiovascular system healthy. Onions are also high rich in dietary fibers which help to control cholesterol levels in our body by reducing bad cholesterol like LDL cholesterol and increase in good cholesterol like HDL cholesterol.

Onion Prevents Diabetes

Eating onion in a regular basis is very useful for diabetics due to fiber content found in onions. Fiber helps to control the blood sugar levels in the blood stream. Diabetes generally cause because of sugar level increase in blood. Onions are also very low in glycemic index. Chromium found in onion is a mineral also help to prevent diabetes by reducing the absorption of sugar in the blood.

Onion Aids in Weight Management

Due to very low calorific value of onion, eating onions on a regular basis is very useful for those people who are in weight loss regime. 100 grams of onion can only provide 40 calories. Also onions are high rich in dietary fibers which help to keep your stomach feel full for a longer time. Which help to control our urge to eat again and again. Overeating is the main cause of obesity. Obesity can be associated with lot of healthy problem such as breast cancer, prostate cancer, sleep apnea, coronary heart disease, depression, uterine cancer, liver disease, diabetes etc.

Onion Lowers Blood Pressure

The sulfur found in onions is natural blood agent and it helps to prevents blood platelets from clotting in the blood vessels. Blood clotting might be the cause of various types of diseases like heart attack and stroke. Sulfur present in onion helps in lowering the blood pressure. Quercetin found in onion is also very useful to stop plaque forming in arteries which is the another main cause of heart attack and stroke.

Onion Is Good for Glowing Skin

Onion juice is very famous for treating various type of skin problems like acne. Onion have anti-inflammatory agent therefore it helps in reduce the redness and swelling associated with skin. Biotin found in onion is also very useful for maintaining skin health and also it helps to treat brittle nails and hair loss.

Onion Helps In Treating Anemia

Iron is a very essential minerals for our body which deals with treating anemia. Therefore, eating onions in conjunction with jaggery and water can provide you huge amount of vitamins and minerals which helps to provide nourishment to our body like iron, which is very essential for treating anemia.

Onion Boost Sexual Drive

Onions are well known for its aphrodisiac nature which means it help to increase the sexual desire of an individual and improve their sexual health. If a person takes one tablespoon of onion juice with one full spoon of gingers juice three times a day, this can treat their sexual problem by boosting the libido.

Health Benefits of Onion


Nutritional Facts Of Onions, raw

Nutrient Unit Value per 100 g
Total lipid (fat)g0.10
Carbohydrate, by differenceg9.34
Fiber, total dietaryg1.7
Sugars, totalg4.24
Calcium, Camg23
Iron, Femg0.21
Magnesium, Mgmg10
Phosphorus, Pmg29
Potassium, Kmg146
Sodium, Namg4
Zinc, Znmg0.17
Vitamin C, total ascorbic acidmg7.4
Vitamin B-6mg0.120
Folate, DFEµg19
Vitamin B-12µg0.00
Vitamin A, RAEµg0
Vitamin A, IUIU2
Vitamin E (alpha-tocopherol)mg0.02
Vitamin D (D2 + D3)µg0.0
Vitamin DIU0
Vitamin K (phylloquinone)µg0.4
Fatty acids, total saturatedg0.042
Fatty acids, total monounsaturatedg0.013
Fatty acids, total polyunsaturatedg0.017
Fatty acids, total transg0.000

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