Is Onion good for you? What are the health benefits of Onions

Chopping onions can fill your eyes with tears but on the inside its intake can benefits your body in so many ways. Here in this article we are going to discuss, why are onions good for you? What are the health benefits of onions? What are the side effects of onions? What is the calorie content of onions?

Onions are also considered as medicinal plant because it contains a vast amount of nutrients including vitamin C, sulphuric compounds, flavonoids, phytochemicals, dietary fiber, calcium, iron, sodium, potassium, vitamin A, and protein. There are different varieties of onions and some of them are yellow onions, sweet onions, white onions, red onions, green onions, and leeks. Its health benefits include it promotes heart health and reduces the risk of many heart related diseases, boost the immune system, prevents different types of cancer, improves digestion, regulates blood sugar level, improves bone density, and lowers cholesterol. Although onions are used in almost every dish but if you don’t include it in your everyday diet then start it now for gaining its benefits.

Are Onions good for you, What are the health benefits of Onions , Benefits of Onions, Onions Side effects

What are the health benefits of onions?

  1. The presence of quercetin and anthocyanin in red onions destroys cancer cells by making an unfavorable environment for them. It eliminates cancer causing free radicals and also activates a pathway which provokes cancer cells to kill themselves.
  1. The flavonoids and organosulfurs present in red onions promote heart health and reduce heart diseases. The thiosulfinates in onions act as natural blood thinners and eliminates the risk of heart attack and stroke.
  1. A sulfur compound called S-methylcysteine and quercetin found in onions has been proved beneficial in reducing blood sugar level. They imposed a positive effect if consumed with anti-diabetic drug, metformin. Onion consumption is beneficial for diabetics.
  1. The presence of fiber called inulin in onions promotes healthy digestion and maintains the amount of good bacteria in the intestine. Another soluble fiber called oligofructose prevents diarrhea and phytochemicals reduces the risk of gastric ulcers.
  1. Regular consumption of onions increases the amount of quercetin in the body which inhibits the activity of inflammation causing compounds such as leukotrienes, prostaglandins, and histamines. It maintains the bone health, improves bone density and treats joint pains.
  1. The anti-bacterial properties possess by onion treats allergies by preventing cells from releasing histamines. The onion extracts also acts against Streptococcus mutans and Streptococcus sobrinus which cause dental caries and other allergies.
  1. Selenium present in onions stimulates the immune system and increases body’s defense against diseases like common cold and flu. The anti-inflammatory properties of onions also treat asthma.
  1. Sulfur present in onions improves eye health by stimulating the production of protein called glutathione, which reduces the risk of eye diseases such as macular degeneration, glaucoma, and cataracts. They are also used for treating common eye infections such as conjunctivitis and blepharitis.
  1. Onions are also beneficial in reducing diabetes induced oxidative stress. It also protects DNA from the damage caused due to oxidative stress.
  1. The presence of vitamin A, vitamin C, and vitamin E promotes skin health and prevents skin from premature aging. It also exfoliates the skin and leads to glowing skin.

What are the side effects of onions?

  1. Excess consumption of onions can cause allergic reaction in some individuals after which they can suffer from symptoms like redness of skin and eyes, itchy skin, difficulty in breathing, tingling and oral swelling.
  1. The presence of natural sugar such as fructose in onions makes them difficult to digest and can lead to digestion related problems such as intestinal gas, bloating, abdominal discomfort, and flatulence.
  1. Eating onions cal also lead to bad breath due the presence of high amount of sulfur in it. So onions should be consumed in a limited quantity.
  1. Onions are good source of potassium and their excess consumption can increase the level on potassium in the body which can lower the blood pressure way too much.

Calories in onions

100 grams of onion contains 40 calories, 0.1 gram of fat, zero cholesterol, 4 milligram of sodium, 146 milligram of potassium, 9 gram of carbohydrate, 1.4 gram of dietary fiber, 4.2 gram of sugar, and 1.1 gram of protein. Other vitamin and minerals present in onions are vitamin A, vitamin C, vitamin D, vitamin B-12, iron, magnesium, sulphuric compounds, flavonoids, and phytochemicals. Regular consumption of onions benefits our body in many ways and that’s why everyone should eat them.


If you want to know more about onions or want to share something related to onions with us then do it in the comment section below. We will be pleased to hear from you.


If you are interested in reading more health related articles then visit our “HEALTH” section by clicking “HERE.”

Add a Comment

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