Cancer Fighting Food, Supplements

Quercetin: The Most Powerful Flavonoid in the Galaxy!


Years ago, I learned of a powerful anticancer flavonoid from Dr. Russell Blaylock, M.D.

Blaylock is a recently retired board-certified neurosurgeon and one of the rare M.D.’s out there that has also devoted his time to become an expert on nutrition and natural cancer therapies despite criticism from the medical community at large.

His book Natural Strategies For Cancer Patients is a in-depth study of the specific nutrients within foods that strengthen your immune system and help your body fight cancer on a cellular level.

He also addresses supplements that can minimize the side effects of chemotherapy and radiation if someone were to go that route. Natural Strategies was a great read and I learned a lot. Highly recommended. The fact that he is an M.D. gives a lot of credibility to his research and message.

Alright enough about Dr. Blaylock, The super flavonoid I’m talking about is called…

Quercetin (pronounced kwɜrsɨtɨn).

If you haven’t heard of it, don’t worry, you’re normal.

But before I go any further, I have to admit I exaggerated a little bit in the title of this post. Quercetin actually has a rival for most powerful flavonoid, and that is curcumin, the active ingredient in turmeric, which is a main ingredient in curry powder. Together, quercetin and curcumin are the dynamic duo of anti-cancer flavonoids.

Here are some key facts about quercetin according to the research that Dr. Blaylock has assembled:

Quercetin protects the DNA in cells because collects around the nucleus of cells offering powerful anti-oxidant protection.

It has anti-inflammatory properties. Which is good, because inflammation is bad.

It’s also a powerful natural histamine blocker. I don’t really have allergies, but some folks with allergies and sinus issues swear by it.

Here’s another big benefit. Quercetin binds to excess iron in your body. It removes it from tissues, and prevents its absorption. This process is called chelation. This is critical as iron can be a key ingredient in cancer cell growth. Quercetin has the ability to steal the iron from cancer cells which can stop their growth and induce cell death. Even if you don’t have cancer, if you eat meat, it’s a good practice to eat green vegetables with it to limit the amount of iron your body absorbs. Yes you need iron, but too much iron is bad for you. FYI: Red meat is the highest source of iron.

Check this out:

A 2007 study published in the Journal of Agricultural and Food Chemistry found that organically grown tomatoes had 79% more quercetin than the conventionally grown ones.

If that doesn’t convince you that buying organic is better… then you just crazy.

As I’ve said in previous posts, conventional produce has been cross-bred and is engineered to be big and beautiful, but it is nutrient deficient and loaded with toxic fertilizers and pesticides. Some conventional produce is genetically modified (GMO), but they aren’t required to disclose that; and there’s no way to tell by looking at it. The most common GMO foods are corn, soy, canola, sugar beets, Hawaiian papaya, and commercial milk which contains rBGH, a genetically modified hormone to increase milk production.  Avoid these foods like the plague!

Ok so where else can you get quercetin besides organic tomatoes?

The best sources of quercetin are organic apples, red onions, black and green tea, red grapes, raspberries, cranberries, citrus fruits, and green leafy vegetables.

I eat all of those foods often, but I also like take Quercetin in supplement form. In his book, Dr. Blaylock recommended 1000mg, 3 times per day with meals. If you’re taking it for allergies, you may want to take more. And from what I understand, it may take up to a few weeks before you notice any improvement.

One of the brands Blaylock references is Activated Quercetin by Source Naturals.
I also like Source Naturals Liquid Quercetin.

And definitely get this book:

Natural Strategies For Cancer Patients by Russell Blaylock, M.D.


My new book Chris Beat Cancer: A Comprehensive Plan for Healing Naturally, published by Hay House, is a National Bestseller as ranked by USA Today, The Wall Street Journal, and Publishers Weekly! Get it on Amazon here or anywhere books are sold.



I've interviewed over 60 people who've healed all types and stages of cancer. Check them out here. Or use the search bar to find survivors of specific cancer types.

I also created a coaching program for cancer patients, caregivers and anyone who is serious about prevention called SQUARE ONE. It contains the step-by-step strategies used by myself and everyone I know who has healed cancer with nutrition and natural, non-toxic therapies.

Watch SQUARE ONE Module 1 for free here

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Hi! I’m Chris!

I was diagnosed with stage IIIc colon cancer in 2003. After surgery I opted-out of chemo and used nutrition and natural therapies to heal. Today I’m healthy, strong, and cancer-free! If you’d like to learn how to help yourself heal or prevent cancer, you’ve come to the right place!

National Bestseller!