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2018's 10 Best
Kale Supplements

Kale Should Be Your #1 Choice

It didn’t take long for this leafy green to get recognized by 99% of experts. Kale is entirely natural and contains more vitamins and minerals than any multivitamin could hope to cultivate.

In 2013, the world was exposed to a “new” but really rather old vegetable. In an act of “guerilla marketing,” Oberon Sinclair, the founder of My Young Auntie PR began telling the city of Chicago about kale. And from there, thanks to social media, Kale exploded.

Studies have shown that kale has noticeable impacts on lowering cholesterol and building bone density. Aside from that, it is a powerful antioxidant and can even be used to improve eye health.

And the crazy thing is that kale has been around for thousands of years with little attention until recently. This superfood should already be a big part of your diet. But if it’s not, then now is a great time to look at our top 10 kale supplements. See The #1 Kale Supplement Now

So What Exactly IS Kale?

Kale is a leafy green plant and is considered a cruciferous. This means that it is nutrient dense and disease fighting. It’s a cool season plant like cabbage veggies, which means that it grows best in fall and spring. It can handle frosts on particularly cold mornings, but exceptionally warm days can result in a little damage.

There are a ton of different types of kale you can get. But the easiest to describe are the dinosaur, curly, and ornamental.

Dinosaur and curly are the most commonly used for food. Dinosaur is darker and lays flat, and curly is, well, curly. Ornamental is really pretty and has a ton of colors, but is kind of gross to eat without a lot of other foods with it. Most people use it in their gardens to spruce it up and add colors.

How to Actually Eat Kale (instead of feeding it to your dog)

Fresh organic super food salad sitting on blue plate with fork on side and olive oil and red wine vinegar

A major problem affecting avid kale eaters is the potential for hypothyroidism or diarrhea. And if you are someone trying to get healthy, this is a bit of a scary thing to consider.

Cruciferous vegetables are known for containing glucosinolates. These can stop or at least suppress the function of the thyroid gland because of its interference with iodine uptake. This causes the thyroid to enlarge and cause problems. But if it makes you feel better, the last time someone had serious repercussions was when a man ate nearly 10 lbs in one day.

The easiest way to those potential side effects is to make sure to eat kale in moderation. Avoid juice cleanses like the plague, and make sure to get a variety of meats and vegetables in your diet. This way, you’ll be able to avoid harmful repercussions.

Overall, it’s an easy to grow and great to eat plant.

Growing kale is actually kind of funny. This veggie does best in the cooler temperatures of the fall and spring. But too hot or too cold can cause your leaves to be bitter and tough. Kale will last longer if planted in the fall because it will be delicious even in around 20° weather. But if grown in the spring, you have to watch out for the especially hot days because they can make the plant tough and wilted.

For this exact reason, many people choose to buy kale rather than grow it. But the problem here lies with the fact that most grocery stores that sell kale only do so while it is in season. This leaves you several months throughout the year to find alternatives.

Detox, green smoothie. Fresh Detox Juices.

This is why many supplement companies are building and perfecting kale powder, which is the freeze dried version. See The #1 Kale Supplement Now

Kale powder can be advantageous for many, even during the growing seasons. It makes it easier to add kale to shakes and recipes. People have also found ways to add it to their homemade pastas and sauces.

Kale powder is easily covered by other stronger tastes in whatever recipe you use. And it won’t go bad if you don’t opt to have it for a week. It’s also much easier to buy in bulk, rather than on a weekly or daily basis.

Why Does Your Doctor Keep Telling You to Eat Kale?

It’s Packed with Antioxidants

We know. Antioxidants are cited as the best part of seemingly anything you eat. Blueberries? Antioxidants. Spinach? Antioxidants. Coffee? Antioxidants. It may get a bit draining to hear this all the time, but it really is something to look for in your food. Antioxidants are so popular because they are the best protection from the harms of excess free radicals in your system. [1]

Free radicals are what causes oxidation in your body. And oxidation is to blame for breaking down parts of your body and causing heart disease and cancer. Antioxidants are your best protection against free radicals and oxidation. And kale is packed full of quercetin and kaempferol. These are the two most commonly linked to prevention of cancer and heart disease.

It Can Help Improve vision

Doctor conducts medical consultation with adult patient at clinic.

Your teachers were right when they said you needed to eat your greens to improve vision. Kale is helpful especially because of notably high levels of lutein and zeaxanthin. [2] These are essential antioxidants for promoting eye health. They filter harmful blue wavelengths of light, which helps protect the cells in your eyes. And they protect the inner eye workings from oxidation, which prevents cataracts.

Your body is unable to produce these two carotenoids itself. This makes proper nutrition an absolute must for ocular health. Kale was named the number one best food source for this by the American Optometric Association because one cup of kale holds 23.8 mg. This compares favorably to spinach (20.4mg), collards (14.6mg), and turnip greens (12.2mg), [3] which are the following three best foods for eye health. See The #1 Kale Supplement Now

Kale Can Help Lower Cholesterol

Not that you needed another article telling you to eat more healthy greens, but kale is also excellent for lowering cholesterol.[4]

This is because of the compounds that bind bile acids and help move fat through the body rather than letting it clog arteries. [5] [6] You probably have heard fiber touted as the best thing for weight loss, which is also why you see so many juices and cleanses using kale. It kicks all the nasty stuff out of your system and can help your liver function properly. As you’ve probably guessed, this is great for heart health. It doesn’t have to be painful to lower cholesterol, and it can actually replace some crowd favorites, like potato chips. Ever heard of #kalechips?

Kale Speeds Up Weight Loss

Kale also has three big things which are great for boosting weight loss.

  • It’s super high in fiber.
  • It’s low in calories but has carbs, fat, and protein which is unheard of for a lot of veggies.
  • It has all the vitamins and minerals that you will lose while trying to lose weight.

It Actually Saved Lives Throughout History

Fresh Green Kale on wooden background

Kale can be traced back to most of Europe. But through history, it was mainly found in Greece and through the Roman Empire (which, if you recall, took up most of Europe for a long time). It was used in most major dishes through that century and up until the Middle Ages when cabbage became the new favorite veggie.

Kale regained popularity during the world wars. This is when the Scottish discovered that it was easier and cheaper to grow and could keep people from starving in harsh times. Kale grows best in cooler environments. And it is so packed with nutrients that it helped maintain the health of thousands during the world wars.

But as is seen throughout kale’s history, it quickly left most of modern popular society after the war until 2013.

Kale began regaining its old popularity after Sinclair engaged in a dramatic “guerilla marketing” campaign where she would write it’s health facts on random black boards throughout Chicago. These facts included explanations of it being cruciferous, great for weight loss, and being full of essential vitamins and minerals. From there, thanks to social media, it spread. And there hasn’t been a healthy snack that has spread this fast since!

In 2014, 99% of experts were behind the new craze to add kale to your diet. Research popped up in every corner of the health industry that cited kale as a great source for vitamins, minerals, and antioxidants. Kale is not only great for daily use but also for weight loss, improving eyesight, and lowering cholesterol. See The #1 Kale Supplement Now

These claims may seem extreme, but they are not when you look at the nutrition facts!

The non-profit “The World’s Healthiest Foods” is one of the premier sources for nutritional understanding. They gave kale a top rank in their recommended foods.

“Our rating system shows kale to be an excellent source of vitamin K, vitamin C, vitamin A, manganese, and copper; a very good source of vitamin B6, fiber, calcium, potassium, vitamin E, and vitamin B2; and a good source of iron, magnesium vitamin B1, omega-3 fats, phosphorus, protein, folate, and vitamin B3. Over 45 different flavonoids have been identified in kale, and especially kaempferol, quercetin, and isorhamnetin.[7]

This is just to name a few of the nutrients found in Kale. And each of these nutrients has been directly linked to benefiting heart, eye, and bone health, as well as boosting weight loss healthily.

Best Kale Supplements

Our top 10 list of kale supplements is organized to reflect what you most value in your supplements. First and foremost is quality. All of our top ten supplements meet high standards of quality and come from brands with a proven record in excellence and purity. Another important factor in deciding the top ten was cost. You don’t have to pay through the nose to get a high-quality kale supplement. In addition, all the companies represented on our list have stellar records with customer service and prompt shipping. This ensures that your supplement experience is enjoyable from the first click to your final dose.


  1. [1] Michaela Zietz, Annika Weckmüller, Susanne Schmidt, Sascha Rohn, Monika Schreiner, Angelika Krumbein and Lothar W. Kroh Genotypic and Climatic Influence on the Antioxidant Activity of Flavonoids in Kale (Brassica oleracea var. sabellica)J. Agric. Food Chem., 2010, 58 (4), pp 2123–2130 DOI: 10.1021/jf9033909 Publication Date (Web): January 22, 2010;
  2. [2] American Optometric Association Lutein & Zeaxanthin2017
  3. [3] Kvansakul, J., M. Rodriguez-Carmona, et al. Supplementation with the carotenoids lutein or zeaxanthin improves human visual performance.Ophthalmic Physiol Opt 26(4): 362-71.
  4. [4] YAO, L.H., JIANG, Y.M., SHI, J. et al. Flavonoids in Food and Their Health Benefits;Foods Hum Nutr (2004) 59: 113.
  5. [5] Talwinder Singh Kahlon, Mei-Chen M. Chiu, Mary H. Chapman Steam cooking significantly improves in vitro bile acid binding of collard greens, kale, mustard greens, broccoli, green bell pepper, and cabbage; Nutrition Research Volume 28, Issue 6, June 2008, Pages 351-357
  6. [6] Talwinder Singh Kahlon, Mary H. Chapman, G.E. Smith In vitro binding of bile acids by spinach, kale, brussels sprouts, broccoli, mustard greens, green bell pepper, cabbage and collards;Chemistry Volume 100, Issue 4, 2007, Pages 1531-1536
  7. [7] Hahn C, Muller A, Kuhnert N, et al. Diversity of Kale (Brassica oleracea var. sabellica): Glucosinolate Content and Phylogenetic Relationships. J. Agric. Food Chem., 2016, 64 (16), pages 3215—3225. (retrieved from World’s Healthiest Foods 2017)
  8. [8] Agnieszka Sujak, Janina Gabrielska, Wojciech Grudzinksi, Robert Borc, Piotr Mazurek, Wieslaw Gruszecki Lutein and Zeaxanthin as Protectors of Lipid Membranes against Oxidative Damage: The Structural Aspects;Archives of Biochemistry and Biophysics Volume 371, Issue 2, 15 November 1999, Pages 301-307;
  9. [9] Higdon, Delage, Williams, Dashwood.; Cruciferous vegetables and human cancer risk: epidemiologic evidence and mechanistic basis.Pharmacol Res. 2007 Mar;55 (3): 224-36. Epub 2007 Jan 25
  10. [10] Soo Yeon Kim, Sun Yoon, Soo Mi Kwon, Kye Sook Park, Yang Cha Lee-Kim Kale Juice Improves Coronary Artery Disease Risk Factors in Hypercholesterolemic Men;”,/a>Biomedical and Environmental Sciences Volume 21, Issue 2, February 2008, Pages 91-97;
  11. [11] Pagan Kennedy Who Made That Kale? NYT October 18th 2013

#1 - Kale Powder

The Standout: 100% Pure Quality Kale

Nutricost’s Kale Powder is our top supplement for a reason. This product is guaranteed all natural, non-GMO, gluten-free, and pure. There are no added powders or flavors to enhance or change any bit of this product, and it has been preserved in the best natural process to ensure you get as many benefits as is possible from a kale powder supplement.

Key Points:

  • All Natural, Non-GMO, Gluten Free
  • Boosts Weight Loss
  • 43% better than common cholesterol-reducing drugs
  • 100% of basic vitamin and mineral needs.

Supplementing your diet to hit all your basic nutrient needs has never been so easy! A scoop of this a day can help you hit your health goals in a safe and efficient manner. And it mixes so well with any recipe that it’s hard not to love what changes you will see!

Customers have loved Nutricost because of its adherence to quality and purity, and their Kale Powder is no different. You are 100% Guaranteed to be thrilled with this product or your money back.

For more reviews head to Amazon, where Nutricost's Kale Powder has climbed its way to the top as the leading kale supplement. See the 5-star reviews from satisfied customers! Keep Reading »

#2 - Teatox Life

The Standout: 100% Pesticide and Gluten Free

This all-natural veggie powder is constructed with the top organic veggies and processes to ensure quality of product. Kale green powder is encouraged to be used for detoxification and added support to your liver. It mixes well with all types of recipes or is great all by itself.

Key Points:

  • 120 grams
  • Pesticide and Gluten-Free
  • Great for smoothies
  • Helps detox liver
  • 1-2 tsp doses per day

If you are looking for an all-natural supplement to bring your health to a full 10, Teatox Life’s 100% All Natural Kale Veggie Powder will help detox your liver, improve eyesight, boost weight loss, and smooth and refresh your skin. And it’s super easy to add into your daily regimen.

Customers have been thrilled with their ability to make it work in their breakfast routines or post-workout shakes. You will love the energy it gives you and the amazing clean health that comes with it. Keep Reading »

#3 - Hoosier Farm

The Standout: U.S. Grown and Packaged

Just one teaspoon of this product and you’ll be getting all you need. This all-natural product provides an excellent source of Vitamin A and C along with the amazing antioxidants that all kale products can boast. Hoosier Hill Farm guarantees quality from this product with 1 lb of readily-available kale in all seasons.

Key Points:

  • 1 lb of kale powder
  • Ready in any season
  • High in calcium and magnesium
  • Zero gluten
  • Naturally Dried

Especially if you are looking for a year-round supplement, Hoosier Hill Farm’s All Natural Kale Powder is guaranteed to be an awesome addition. And the best part is that you can buy an entire pound for little to nothing! Hoosier Hill Farm has built a reputation for having excellent all-natural supplements that can fill your needs with little-to-no effort on your part. It is now super easy to take care of your body and hold that satisfaction of feeling strong and healthy. Keep Reading »

#4 - Pure Synergy

Organically grown in the EU and U.S., this veggie powder provides a lot of punch in a little bottle. To ensure quality and the best nutrient retention, Pure Synergy used cold-milling processes alongside their freeze drying techniques. Recommendations flow in for this product because of its versatility in meals, as well as the tastiness that it has on its own. Customers have simply raved over the clean and crisp taste of Pure Synergy Organics Kale Vegetable Powder. It is an excellent product built to support healthy eyes, skin, and liver. And to top it off, it is 100% organic and certified by the USDA to be non-GMO, vegan, and kosher.

Keep Reading »

#5 - Blubay Trading

This product is grown and produced in Canada but passes the USDA certification to be a top organic kale powder supplement. It boasts no additives, which means that you will be getting all the best parts of a kale powder with no concern over what else you’re ingesting. Blubay Trading guarantees quality with this product, so it can help improve the way you feel day to day. And as reviewers have said, a little bit goes a long way. You can make your skin, eyes, and liver all feel cleaner and stronger while ensuring you’re getting all the necessary nutrients needed per day.

Keep Reading »

#6 - Zokiva

This 100% vegan superfood, boasts of high-quality protein, vitamins, minerals, and antioxidants. This product is not cheap but promotes quality kale for detoxifying and rejuvenating your body, perfect for any vegan looking for a clean organic product. While they don’t boast of the best-tasting product, adding it to any recipe will ensure all the same benefits and a great texture.

Keep Reading »

#7 - Eclectic Institute

This product is USDA certified 100% organic. Coming out of Oregon, the Eclectic Institute boasts of top-level processing to provide an amazing product which retains much of the best benefits of any form of kale. This product works as an added dietary supplement and is entirely fresh.

Keep Reading »

#8 - Wilson Naturals

Organically grown and produced from China but guaranteed by Wilson Naturals to be 100% pure and fresh. This kale powder is filled with important antioxidants, vitamins, and minerals but not with fillers, flavors, or additives. You can purchase this in a 1lb bag or in a ¼ lb bag, depending on your needs, and feel secure in quality kale powder.

Keep Reading »

#9 - Tsogo Premium

This product is nothing if not versatile. It works well in any shake, recipe, or otherwise, that you would want to try! It comes with the all-natural taste of kale that makes a great addition to any meal! And it only takes 1 tablespoon a day to hit a big chunk of your overall nutritional goals. If you were looking for something tasty and healthy to add to your daily routine, then this kale powder may be exactly what you are looking for.

Keep Reading »

#10 - Dr. Bergs

This product beats the realm of predictability. By tapping into the natural protein in kale, Dr. Bergs has made a supplement where no additional flavors are needed to enjoy a delicious kale shake (that’s not to say you can’t add them if you want to). It works well as a meal replacement if necessary and boosts weight loss.

Keep Reading »

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