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Kefir is a traditional drink that has been popular for hundreds — if not thousands — of years. It originally came out of the Caucasus Mountains in the former Soviet Union, in Central Asia. Today, we are learning that the benefits of homemade milk kefir may be more than we ever imagined.
A tangy, refreshing glass of fermented milk kefir, made with the Kefir Starter, provides nourishment for the whole family. Homemade milk kefir is chock-full of beneficial bacteria and yeast that support healthy digestion and a robust inner ecology.
The word kefir is derived from the Turkish word keyif, which means "good feeling."1
Feel-good fermented foods like kefir have been catching on. The February 2013 issue of the Institute of Food Technologists’ Food Technology magazine named yogurt/kefir as the fastest growing sector of "specialty" foodie sales.2 Celebrity trainers like Kathy Kaehler, with clients that include Jennifer Aniston, Julia Roberts, and Michelle Pfeiffer, are reportedly recommending kefir as a health drink.3 Over the years, the “good feeling” that comes with drinking kefir has been validated by science — kefir is more than a tasty and tangy beverage. It is a traditional, living superfood that can radically contribute to overall health.
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Kefir is a fermented milk beverage. The lactic acid in kefir contributes to its sour taste. While kefir is traditionally made with dairy, you can make it from raw coconut water or fresh coconut milk. Because homemade milk kefir is fermented, the beneficial bacteria and yeast have consumed much of the lactose (milk sugars) normally found in diary. Those who are lactose intolerant — or do not have the enzymes to break down milk sugars — can often safely enjoy homemade dairy kefir.
The fermentation process is also enzyme-rich. Difficult proteins like milk casein are pre-digested.
If you are sensitive to foods that contain milk casein, you may be able to drink homemade kefir after the health of your gut lining has been addressed and your inner ecosystem is restored.
Because homemade kefir contains beneficial bacteria and yeast, it supports digestion and the health of the digestive tract. A 2013 study published in the Brazilian Journal of Microbiology found the therapeutic effects of traditional kefir to include antimicrobial activity, anti-inflammatory and healing properties, a positive impact on the G.I. tract, anti-carcinogenic potential, and overall immune stimulation benefits, among others.4
Beneficial bacteria manufacture nutrients like biotin, folate, and vitamin K2.5 These are nutrients that protect our cells from damage, nourish the brain, and support the skeletal system. Like any fermented food, kefir introduces beneficial microbes to the gut that compete for resources.
Good bacteria actively fight harmful bacteria by making their own natural antibiotics, like:
The bacteria in kefir produce a structural sugar called kefiran.
Studies have found that kefiran has the ability to reduce cholesterol. It can also lower blood pressure.6,7 In a 2010 study with rabbits, researchers found that kefiran had such a profound anti-inflammatory effect that it could even prevent atherosclerosis.8
Studies have found that kefir can inhibit the growth of dangerous bacteria like Salmonella and Escherichia coli.9 Kefir can help to control Candida overgrowth.10 Other studies show that the good bacteria found specifically in kefir can cleanse the toxins that are released by harmful bacteria, like Clostridium difficile.11 Kefir also has been found to control the production of aflatoxin.12 Aflatoxin is a toxin produced by the Aspergillus fungus. It is common in peanut butter.
The beneficial yeast in kefir — like Kluyveromyces marxianus and Saccaromyces — are able to shut down inflammation in the intestinal tract.13
Likewise, the good bacteria in kefir have the ability to detoxify poisons that are known to cause cancer.14 One study published in 2011 showed that kefir may reduce damage to the DNA in colon cells — reducing the risk of colorectal cancer.15 Another study found that kefir can trigger cancer cells in the stomach to self-destruct.16
Two 2016 studies compounded on this growing body of research, proving that kefir could reduce insulin resistance and inflammation in cases of metabolic syndrome and inhibit tumor growth to serve as a potential breast cancer treatment.17,18 These studies tie in with what we believe to be the most impressive kefir benefit of all — a 2016 review highlighted kefir’s ability to modulate the immune system by supporting populations of good bacteria in the gut, from which all other health benefits stem.19 A healthy gut is the gateway to robust immunity.
Have you ever wanted to try fermenting vegetables at home? Become a home-expert on your gut.
Kefir is traditionally made with kefir grains. Kefir grains are not grains at all but pearly, gummy beads that grow over time. These gummy beads are what inoculate dairy, coconut milk, or coconut water. Kefir grains are visible colonies of symbiotic bacteria and yeast that have built a biofilm — or gummy matrix. The trouble with kefir grains is that the strains of bacteria and yeast are unregulated. Kefir made from kefir grains is partially a wild ferment. This means that the composition of bacteria and yeast can change based on environment.
Unfortunately, not all bacteria and yeast are beneficial.
Tightly regulating your exposure to the harmful yeast found in wild ferments is especially important if you struggle with:
To mitigate the concern of wild fermentation, we’ve designed a specific blend of beneficial bacteria and yeast to use to make kefir: The Body Ecology Kefir Starter. Like dried kefir grains, spray-drying preserves the life-force of beneficial microbes. One 2010 study published in Applied Microbiology found that strains of bacteria and yeast from kefir grains can be isolated and preserved through spray-drying.20
New to Body Ecology and don't know where to begin? BE Essentials has it all.
This means that you only combine dairy kefir with:
A delicious way to enjoy homemade milk kefir is to make a salad dressing using lemon juice, avocado, Celtic sea salt, and fresh herbs. Drizzle the dressing over mixed field greens and toss. You can also sprinkle soaked and sprouted pumpkin seeds on top of your salad. They combine well with dairy kefir and raw, leafy greens. Yum! If you’re new to using fermented dairy for fresh and flavorful home cooking, our delicious, nutritious kefir recipe guide can get you started.
Kefir is a traditional fermented milk beverage, as well as a living superfood that can greatly improve your health. Kefir is normally made from dairy and can also be made from raw coconut water or fresh coconut milk. Kefir may be safely enjoyed by individuals who are lactose intolerant since it contains friendly bacteria and yeast that have consumed most of the lactose found in dairy. Individuals sensitive to milk casein may also be able to enjoy homemade milk kefir after restoring their inner ecosystem.
Like any fermented food, homemade milk kefir is designed to support healthy digestion first of all. It also provides benefits to:
Homemade dairy kefir is best safely enjoyed with the Body Ecology Kefir Starter instead of using wild fermentation. Try it in a homemade salad dressing made from lemon juice, avocado, Celtic sea salt, and fresh herbs. You can also follow the Body Ecology Diet Food Combining Principle to combine dairy kefir with acidic fruits, soaked and sprouted seeds and nuts, and non-starchy vegetables for optimal digestion.
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