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Home » How to Prevent Cancer » Red Onions vs White Onions, Which One’s Healthier?

Red Onions vs White Onions, Which One’s Healthier?

Published April 7, 2013 Last Updated April 2, 2019 By Lori Ryman 67 Comments

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red onion vs white onion

Red Onions vs White Onions

When it comes to onions, we have plenty of choices, red, yellow, or white. Have you ever wondered which type of onion is healthier?

Both types of onions are powerful superfoods with anti-carcinogenic, antiviral, antibacterial, and antioxidant properties. Onions are packed with beneficial nutrients and compounds.

Many think that the only difference is the appearance and taste, but when you examine the nutritional differences of red onions vs white onions, one contains more health benefits than the other.

Red onions have a deep purple layer of outer skin and are most often used raw, in salads, sandwiches, or dips. White onions have a more mild flavor and an off white or white colored skin.

What’s the Difference Red Onions vs White Onions

There are quite a few commonalities between both red and white onions. Both types of onions are considered low on the glycemic index, with a rating of 10. They both also provide about 10 percent of the daily value for vitamin C and the same amount of calcium per serving.

Although white onions contain .5 more grams of fiber and a higher amount of sulfur, red onions have been found to contain a higher amount of many other beneficial nutrients.

So, pull out your red onions and whip up a dish to throw them in!

In general, the rule is that onions with a sharply strong taste, such as red onions, contain a higher amount of antioxidants. Red onions also win in the category of cancer prevention and blood thinning properties. Additionally, red onions contain less sugar compared to white onions, which is where they get their sweet taste from.

– Antioxidant Properties

Overall, red onions contain a higher amount of antioxidant compounds. They are higher in total flavonoids than white onions and yellow onions are considered to be in the middle. Red onions contain 415 to 1917 mg of flavonols compared to yellow ones, which only contain 270 to 1187 mg.

One of the most beneficial compounds in red onions is quercetin, which is a polyphenol compound. Quercetin is a powerful compound which is beneficial for scavenging free radicals in the body.

Red onions are also richer in anthocyanins which give them the red/purple color. Red onions were found to contain at least 25 different anthocyanins.

– Cancer Fighting

Due to the high amount of antioxidant properties contained in red onions compared to white, red onions provide stronger protection against cancer.

The quercetin and allicin in red onions have been shown to reduce inflammation and be beneficial for both the prevention and treatment of cancer.

Studies have shown that the consumption of onions reduces the risk of stomach, colorectal, oral, laryngeal, esophageal and  ovarian cancer. According to one study, the risk of stomach cancer was reduced by 50% when half an onion was eaten daily.

– Blood Thinning

Both types of onions have blood thinning properties as they contain a high amount of flavonoids and sulfur compounds. However, red onions are an even more effective natural blood thinner as they are richer in flavonoids, which helps thin the blood.

How to Get the Most Benefit

The level of antioxidant flavonoids has been found to be much higher in the outer most layers of the onion. So make sure not to over peel, those outer layers have the most nutrients. According to a recent study peeling the first two layers of the onion removes 75 % of the antioxidant anthocyanins.

Make sure to get enough servings of onions into your diet, it is recommended that individuals eat at least 3 onions every week to get optimal benefits for preventing cancer.

For most benefit, make sure to include a variety of onions in your diet, but especially make sure to have at least one red onion a week!

 

Which do you include in your diet red onions or white onions?

 

Sources:
http://www.naturalnews.com/036751_onions_superfood_quercetin.html
http://www.naturalnews.com/035535_red_onions_inflammation_medicine.html
http://www.ncbi.nlm.nih.gov/pubmed/18494496

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Filed Under: How to Prevent Cancer Tagged With: Red onions vs white onions

About Lori Ryman

Lori Ryman, BS, MS, has been dedicated to researching natural alternatives for the past 15 years. Lori has a background in research methods, health, and nutrition. She started with an Interest in natural alternatives to improve her own health and she continues to share natural DIY projects, recipes and natural alternatives with millions of viewers on treasuredtips.com.

Lori’s research for posts is based on peer reviewed evidenced-based research. Lori is a published author in a peer reviewed research journal. Her work has been covered by MSN, The Huffington Post, wikiHow, The New York Times, and many more.

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Comments

  1. Bassey Ukoh

    January 9, 2017 at 7:11 pm

    please, my son is 4 years old he has been having this strong cough severally, we have tried all the medication with no avail, every one or two months the cough will surface. What can I do to give him total cure?
    Thanks.

    Reply
    • Anonymous

      April 7, 2017 at 5:57 pm

      I love onions

      Reply
    • Anonymous

      April 7, 2017 at 5:58 pm

      I love white onions … I grab an avocado and chop my onions and a very big chunks I add a bit of lemon salt and olive oil and I can eat away all day long 😋😋😋😋

      Reply
      • Mindy

        February 1, 2019 at 4:07 pm

        We are kindred souls…..

        Reply
  2. Tony

    August 12, 2016 at 9:45 am

    I rarely eat white onion, mainly because it is not as readily available as yellow onion.

    In any case, yellow onion is by far my choice when it comes to cooking any meat.

    Red onion is much more suited to salads. I actually despise the combo of red onion and meat so much I would rather detract the onion ( and I LOVEEEE ONION)

    Unfortunately almost all takeaway stores and restaurants use red onion with their hot dishes now…soooo annoying — why!?

    Red onion is COMMONLY understood to be used for cold dishes; yet so many people are scrapping yellow onion which goes PERFECT with hot dishes (it adds immense flavour to meat) for red onion – i really dont understand but it is most definitely restricting my eating experiece from outside.

    Grrr it frustrates me

    Reply
    • Lori

      August 29, 2016 at 5:44 pm

      Yea, it’s really interesting!

      Reply
  3. Khalida

    June 22, 2016 at 6:31 am

    Please help me.
    am suffer Phyllode tumor, 4 surgeries done, now my continue bleeding start from right axilla. and dr. confused further treatment they told me that several surgeon will involve in this surgery and also i can not bear expenses. please if u have any home remedy inform me.. also a blood bloon in my right axilla.
    Khalida from Karachi Pakistan

    Reply
  4. Prabhakar Krishna Indurkar

    March 30, 2016 at 3:19 pm

    After understanding it’s effectiveness for strengthening bone tissues I have started consuming 150 grams daily red onions. I shall wait for the results but continue to eat daily as it helps for weight loss as well.

    Reply
  5. Bello Adam

    January 27, 2016 at 11:08 am

    What types are all talking onions grow organically or a clean without chemicals sprey

    Reply
  6. Anonymous

    December 18, 2015 at 8:07 am

    I hated all onions till probably my mid 20s. I’m 30 now and love red onions, so much delishious flavor! I don’t care for the other colors, only red!

    Reply
    • Lori

      December 28, 2015 at 11:09 pm

      I never used to like onions either. Now, I love them too lol

      Reply
  7. WAIRISH

    November 6, 2015 at 1:02 pm

    All onions burns me when i try to eat them raw–what do i do? Today i tried yellow/white onion juice–i had a bad experience–i would not do it again. However i have hair loss and would like to be taking raw onion,either in juice form or as salad–do you have suggestion on how i can make it calmer for my digestive tract.

    Reply
  8. Naaz Syed

    October 8, 2015 at 3:14 am

    Mom (Suraiya Shaikh) from Vasai Road; Mumbai; India used to make White-Onion with Alsi (Flaxseed) add tulsi (Basil) leaves add khadi shakhar (Rock-candy or Rock-sugar) with few pappercorns along with Licorice…….Mom used to boiled untill it come downs to 50% than she used to finally add jaggery is very useful ……it fights against cough.

    Also Mom used to keep cutted onion near my son’s pillow in round steel tiffin which has holes in it. so the adour of onion stop ur caugh.

    Reply
    • Lori

      October 15, 2015 at 8:41 pm

      So interesting!

      Reply
    • sandhya

      April 17, 2017 at 4:58 pm

      My baby is often suffering from cold so what you suggest is true?…Have you ever felt it….plz share some other tips relate to cold will be very useful for my baby.

      Reply
  9. nder dennis

    September 19, 2015 at 12:29 pm

    onions is also good 4 blood

    Reply
  10. Felicity

    August 12, 2015 at 4:01 pm

    Thanks a lot for sharing the nutriets of onions…i really luv red one

    Reply
  11. Allyssa

    August 9, 2015 at 11:55 pm

    I always loved onions. raw. cooked. anything. I love them.

    Depending on the pugnancy of the onion, I like to dip it in ketchup if it is really spicy. But I also like to use olive oil and cool them up with a bit of garlic.

    Reply
    • Lori

      August 26, 2015 at 2:46 pm

      That’s awesome!

      Reply
      • Yung Prince

        August 24, 2016 at 1:13 pm

        Can onion boost one’s sexual erection and stamina

        Reply
  12. Nelson

    July 23, 2015 at 1:49 am

    Can white onion boost erection?

    Reply
  13. Eric

    July 18, 2015 at 8:37 pm

    It appears that frying (in a pan) doesn’t affect the nutritional value (flavonoids) of in onions when tested in a lab. Just like any ingredient, adding other ingredients and then throwing it out is where the loss occurs (like cooking in water).

    http://www.ncbi.nlm.nih.gov/pubmed/11349895

    Reply
  14. Ayaba esther

    March 24, 2015 at 3:08 pm

    I love white onion & red onion because they are nutritious my children love white onion than red onion

    Reply
  15. Agnes C.

    March 4, 2015 at 2:47 am

    How I like to eat fresh red onions!!!

    Reply
  16. Agnes C.

    March 4, 2015 at 2:40 am

    Red Onions I luv it!!! I suffered 5 years of headache and dizziness but thanks a lot of red onions now I’m very fine… Happy life….

    Reply
  17. Jer

    January 23, 2015 at 11:10 am

    http://youtu.be/0T2kJ8ASw0o

    “They call me Onions, but I’m just a regular kind of guy!”

    Reply
  18. Ashutosh Mahajan

    January 16, 2015 at 1:00 pm

    TB patients can try this :- Chop the onion fine, immediately inhale the fumes deeply & hold your breath as far as you can. Do this 3 times at a moment & 3 times a day. I am sure this can kill the Multi-Drug Resistant TB too.

    Reply
  19. Roston

    October 10, 2014 at 2:48 am

    White Onion is seldom here I’m lucky my taste buds can tolerate Red Onion its all bout training our taste buds

    Reply
  20. emeka

    October 7, 2014 at 6:27 pm

    I take fresh white onions ,cucumber, letuce and tomatoes and green tea with honey atleast trice in a week, wot health benefits do i stand to derive. tanx

    Reply
  21. LaustCawz

    July 20, 2014 at 3:52 pm

    I love white onions & yellow onions, but I HATE red onions. I think they taste like crap,
    yet more & more eating places (fast food, delis, restaurants) keep switching to ONLY red onions,
    giving me no choice but to either bring & add my own onions or eat somewhere else.
    This is quite pathetic. As for red onions being “healthier”, I have a tough time taking that seriously,
    since most of the “health” advice we’ve been subjected to for decades is oriented towards what’s best for females,
    which is significantly different from what’s best for males. Interesting, also, that so many of the dieticians
    & nutritionists who’ve basically made a career out of telling people what & what not to eat are…women.

    Reply
    • Anonymous

      October 10, 2014 at 1:31 am

      Just a Suggestion Cross reference all material that crosses your path and then once solidified with credibility should you allow yourself to “blast off your negative vibe”; when regarding positive thoughts and suggestions. In regards to the health benefits of onions, it is not catering to only women. Human cells differentiate slightly between male and female and within our own body (DNA, RNA,) , respectively ( “I” refuse to go into detail). With that said eat your white or yellow and please stay home and avoid the red if you must. This was an post to remind eat healthful and remedy your ailments…amazing!!! 🙂

      Reply
      • Bluyoda

        February 9, 2018 at 7:18 pm

        I believe most diseases or inherited health conditions are carried by X-genes, in both males and females. Y-genes generally are capable of self-healing, X-genes generally need treatments. So i guess society seems to embrace women’s point of view.
        Disclaimer: No gender-biasness intended, observation only, no medical background, hahah.

        Reply
      • Ellen

        November 16, 2018 at 2:37 pm

        Remember all the hoopla about eating eggs? All the nutritionists joins the bandwagon. And the Drs gave Eisenhower beef bacon rather than pork or turkey? Seems they all buy into the same info st the same time. I don’t care for the reds either. I let them out the refs on the salad and then I just discard them . I buy the sweet whites and enjoy them at home.
        Be careful about buying into all the popular food trends. Additional research may prove to be different.

        Reply
  22. Aurora

    February 11, 2014 at 11:35 pm

    Onion is excellent for people who suffer from asthma or bronquitis. Definitively it cures it. In a juice extractor put an onion head and adds honey. Keep it refrigerated in a dark container. Take 1 spoon during the morning and other spoon during the evening for a month.

    Reply
    • Lori, Health Extremist

      February 15, 2014 at 11:04 pm

      Sounds like a great easy remedy.

      Reply
  23. yakubu

    October 31, 2013 at 5:42 am

    I used to have low erection, but since I started taking raw red onion about two months ago, I am ok. Thanks to the healing power of onion

    Reply
    • Sanjay

      March 3, 2014 at 5:06 pm

      I was wondering how many red raw onions you ate a day/week to get rid of your erection problem? Thanks.

      Reply
      • melvyn

        May 17, 2017 at 4:31 am

        [email protected]

        Reply
  24. ekpedeme umo

    October 15, 2013 at 7:20 am

    THE COMBINATION OF WHITE ONIONS AND GARLIC BLENDED INTO HONEY IS VERY USEFUL.IT FIGHTS AGAINST COUGH AND COLD.
    IT BRINGS MUCOR FROM THE THROAT IN LARGE QUANTITY.IT AID DIGESTION AND SOFTEN BOWEL.
    IT IS VERY USEFUL IN THE TREATMENT OF COUGH AND COLD.

    Reply
    • sandhya

      April 17, 2017 at 4:53 pm

      have you ever experienced as a useful treatment for cold

      Reply
  25. Mohamed Shukairi

    October 8, 2013 at 9:32 am

    I have been eating red onions for almost one month.now,
    and now.my long headache problem is completely gone.
    Thanks to what is in.the.onions.

    Reply
    • Lori, Health Extremist

      October 31, 2013 at 11:18 pm

      That’s great!

      Reply
    • Anonymous

      March 4, 2015 at 2:30 am

      I’m eating onions like an apple

      Reply
    • Pero

      May 10, 2017 at 12:23 pm

      how many do you it in a day.? is it the whole bulb?

      Reply
  26. Sarah

    April 14, 2013 at 9:48 am

    Does it matter if you eat them raw or cooked?

    Reply
    • Lori, Health Extremist

      April 16, 2013 at 11:18 pm

      When used raw they do retain more nutrients, however, they are still very beneficial when cooked, especially if only lightly cooked.

      Reply
    • Anonymous

      June 26, 2014 at 6:51 pm

      No I do eat them raw all the time ,, they are my apple

      Reply
    • Dorothy Aston

      July 15, 2017 at 10:20 am

      Are red onions better for the belly than white ones? I can’t eat anything with online in .thank you .

      Reply
  27. shakti

    April 14, 2013 at 8:34 am

    i may be alone in this but i always use yellow or white onions because the red ones are gross.

    Reply
    • LaustCawz

      July 20, 2014 at 3:56 pm

      I assure you, you are NOT alone!

      Reply
    • Kate

      October 7, 2015 at 9:23 pm

      Well I would have to say I do the exact opposite. I find red onions taste way better than white.

      Reply
    • Anonymous

      November 16, 2018 at 6:29 pm

      If you use a red onion in meals that are hot it’s not the suggested way to use them.
      They are much better raw in salads or sandwiches or just to eat like a apple.Some people never eat onions raw,but will eat them cooked.

      Reply
  28. Margo

    April 9, 2013 at 9:05 pm

    I buy a variety of onions an will eat them at any meal. Funny how I hated them when I was a kid. My husband doesn’t care for red onions though. He says they are too strong.

    Reply
  29. Jevgenija

    April 9, 2013 at 8:18 pm

    My kids love onion juice with honey!
    And its the BEST cure for colds and coughs. My daughter suffered with chest infections every two weeks for 2 years(she was aspirating due to drinks getting into her lungs).No doctor or medicine did anything for her. At 2 years of age she was the size of a 6-9 months child, we were seeing paediatrician every two weeks. After one the visits and another prescription of a stronger inhalator I went the home remedy way. She was taking onion juice with Manuka+25 for two weeks and on our next doc visit her lungs were clear for the first time in over a year! She gained 500gr in this 2 weeks which was more then in a year prior to it! Since then she had improved tremendously! Even she still gets liquids in her lungs, but at the first sing I give her the remedy and she is back to normal in 2-3 days 🙂

    Reply
    • Lori, Health Extremist

      April 10, 2013 at 9:43 am

      That is amazing, so glad to hear onion juice worked, what a great natural remedy!

      Reply
    • Anonymous

      June 7, 2015 at 11:19 am

      I have allergy on white onion and garlic but when I eat raw red onion, I have no allergy reaction and now I see why after reading this.

      Reply
    • Anonymous

      May 23, 2016 at 1:01 am

      Thank God for your baby 🙂

      Reply
    • Ching

      May 6, 2017 at 12:16 pm

      Can lung cancer patients undergoing chemotherapy drink raw onion juice too ???

      Reply
  30. Blissful Writer

    April 8, 2013 at 1:11 am

    I tend to get the yellow onions simply because they are more readily available in my local grocery stores. But sometimes I use red onions and I find them to be more pungent.

    Reply
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