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Japanese Natto, Nattokinase & Vitamin K2 (Resource Library)

This post is a video and article compilation of the history, health benefits, and preparation methods of the Japanese fermented soybean food known as natto. Natto contains the highest amount of vitamin K2 of any food, and has been shown to have many profound health benefits. After you have watched a few videos about natto, you may want to jump to Dr. Mercola's interview with Dr. Cees Vermeer, who is the undisputed world's expert on vitamin K. Dr. Mercola summarizes this interview in the accompanying article. For further information about vitamin K, refer to the extensive article from the Western Price Foundation. For further in-depth information about natto, refer to the book, "History of Natto and Its Relatives (1405-2012)," by William Shurtleff and Akiko Aoyagi. It is the most comprehensive book ever published about the history of natto. A link to this free 656 page book has been included. A link has also been included for Dr. Mercola's free 12 page report on natto.

This is the third installment in a series of posts on the subject of fermented foods and beverages. The first two posts covered Kombucha Tea as well as Raw Milk & Kefir.

Best of health~

Introductory Videos
Natto - Brief video showing a variety of natto packaging and tips on how it is traditionally eaten. The Daily English Show #21

An Introduction to Natto - Presented by Minami Sota, Japanese Traditional Foods

How to make Natto using natto bacteria - Cultures for Health is one of the places that sell the natto starter spores shown in this video. I've included a link near the bottom of this post.

Making Natto at Home - Good quality video showing the steps. This method includes salt and sugar with the starter culture. Other methods I have seen do not.

How to make natto - “A video record of how my mother-in-law taught me to make fermented soybean natto in Jonan machi, Kumamoto, Japan using traditional methods.” Blog about video

Home Made Japanese Natto: Fermented Soybeans - Video showing natto in early stage of fermentation in the oven. Author discusses how he makes it.

Making Natto at My Grandpa's - Short clip of a batch of natto

Homemade natto - Short clip of a batch of natto

Vitamin K2 Sources and its Health Benefits - Mercola.com

David Wolfe Interviews Dr. Mercola - Part of an interview (0:00 to 2:50) where Dr. Mercolo distinguishes between fermented and unfermented soy. Natto contains the most vitamin K2 of all foods.

Discover How the Legendary Benefits of the Japanese Food "Natto" Make for a Healthy Heart and Strong Bones! - Mercola.com
Free Report highlights

The Miracle Superfood That Builds Your Bones Better Than Calcium and Prevents Heart Disease Better Than Lipitor - FREE Report (12 page pdf)

  • Includes instructions for making natto

“You may not yet be familiar with natto -- sticky, fermented soybeans that have been compared in flavor to Roquefort cheese -- but this superfood has been a tradition in Japanese cuisine for more than 1,000 years. And you owe it to your health to give it a try.

In ancient times, anecdotal reports show that natto was used to relieve stomachaches, the flu, and to help pregnant women give birth. The nutritive value of this food was so high that Samurai consumed it on a daily basis, and even fed it to their horses to increase their speed and strength.

Today natto is receiving worldwide attention for its role as a functional food that may ward off cancer, heart disease, osteoporosis, and much more.” Continued...

History of Natto and Its Relatives (1405-2012) - “This is the most comprehensive book ever published about the history of natto or its relatives. It has been compiled, one record at a time over a period of 35 years, in an attempt to document the history of this fermented soyfood. It is also the single most current and useful source of information on this subject.”
Compiled by William Shurtleff and Akiko Aoyagi. Published by the SoyInfo Center in Lafayette, California.

Historical Overview - “A Chapter from the Unpublished Manuscript, History of Soybeans and Soyfoods: 1100 B.C. to the 1980s” - William Shurtleff and Akiko Aoyagi

Brief chronology of natto and its relatives

History of Natto and Its Relatives (1405-2012) - FREE 656 page book (pdf)

On the Trail of the Elusive X-Factor: A Sixty-Two-Year-Old Mystery Finally Solved
Weston Price Foundation


“In 1945, Dr. Weston Price described "a new vitamin-like activator" that played an influential role in the utilization of minerals, protection from tooth decay, growth and development, reproduction, protection against heart disease and the function of the brain.”

“Using a chemical test, he determined that this compound—which he called Activator X—occurred in the butterfat, organs and fat of animals consuming rapidly growing green grass, and also in certain sea foods such as fish eggs.”

“Vitamin K2 is produced by animal tissues, including the mammary glands, from vitamin K1, which occurs in rapidly growing green plants.”

“A growing body of published research confirms Dr. Price's discoveries, namely that vitamin K2 is important for the utilization of minerals, protects against tooth decay, supports growth and development, is involved in normal reproduction, protects against calcification of the arteries leading to heart disease, and is a major component of the brain.”
Read whole article

The Missing Nutrient to Blame for Heart Attacks and Osteoporosis (Nope - NOT Calcium or Vitamin D) - Mercola.com

Vitamin K Enhances Insulin Sensitivity - Mercola.com

Examining the Effects of Natto (fermented soybean) Consumption Lifestyle-Related Diseases - 6 page pdf - National Cardiovascular Center (Suita, Osaka, Japan)

Nutrition Facts of Natto - nutritiondata.self.com

Dr. Mercola Interviews Dr. Cees Vermeer on Vitamin K - “Natural health expert Dr. Joseph Mercola and Dr. Cees Vermeer talks about the importance of Vitamin K and why it is crucial for preventing cancer, osteoporosis, and heart disease." Dr. Vermeer is the undisputed world's expert in vitamin K according to Dr. Mercola.
Mercola article summarizing interview
Part 1
Part 2
Part 3
Part 4
Part 5
Part 6
Part 7
Part 8
Part 9
Part 10
Vitamin K Shots for Infants?

Dr. Mercola Interviews Dr. Kate Rheamue-Bleue
“Dr. Mercola interviews naturopathic physician and the author of Vitamin K2 and the Calcium Paradox Dr. Kate Rheaume-Bleue regarding the importance of vitamin K2.”
”What You Need to Know About Vitamin K2, D and Calcium” - Mercola article summarizing interview
Full Interview

Iron Chef - Battle Natto (1)
Part 1
Part 2
Part 3
Part 4
Part 5

Iron Chef - Battle Natto (2)
Part 1
Part 2
Part 3
Part 4
Part 5

Eating Natto - Edward shows the different ways of eating natto.
Part 1 - The Conventional Way
Part 2 - Natto Sandwich
Part 3 - Natto Bean Soup
Part 4 - Black Bean Natto and Oatmeal

Miscellaneous Videos
How to Make Natto Gohan : Easy Japanese Recipe

How to Make Natto-jiru

Simple natto for breakfast

Rino eating homemade Natto Okonimiyaki

baby's first natto

Culture Sources & Natto Preparation Instructions
Making Natto at Home - Written instructions, NattoKing.com

How to Make Natto - Written instructions, CulturesforHealth.com

Homemade natto (fermented soybeans) - Written instructions, Bento.com

How to Prepare Natto - Dr. Mercola's instructions for making natto. Refer to page 9 of report.


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Keep this kind of info. flowing

and keep each other healthy. Thanks.

My son's teeth came in with

My son's teeth came in with enamel hypoplasia - meaning they had these mottled surface and large holes in the enamel of his 2 front teeth. They looked awful. I started giving him K2(mk-4) and brushed his teeth with remineralization paste nightly. Most of the holes filled in and became whiter. His teeth healed and look all around better. The next teeth that came in did not have the enamel problem. I believe K2 helped accomplish this recovery. My research showed me that the K2 signals the calcium to deposit into bones and teeth rather than soft tissue. Without sufficient K2 one gets calcifications in the arteries, heart and other tissues leading to plaques, artherosclerosis, heart disease, bone spurs and of course lack of density in the bones such as osteoporosis.

It's fascinating...

how even the teeth can be healed given the right nutrition and avoiding certain foods. What brand of remineralization past did you use? I seem to recall you saying something about this a while ago in regards to green pastures cod liver oil/high vitamin butter oil combination. Thanks for the info~

Good interview~

Do you know what the pill was that Bill Sardi was trying to get approved? Was it resveratrol?

I believe so, yes


Bump 4 importance and.....

a very well done thread.

Thanks Still!


Ben Fukes talked about natto today, reminding me of your thread.


Because: Some animals are more equal than other animals. -Animal Farm- What the? > http://www.youtube.com/watch?v=6MTIwY3_-ks
Strike The Root: There are a thousand hacking at the branches of evil to one who is striking at the root.


Under Introductory Videos:
How to make Natto using natto bacteria - Cultures for Health is one of the places that sell the natto starter spores shown in this video. I've included a link near the bottom of this post.

Under Miscellaneous Videos:
How to Make Natto-jiru

Rino eating homemade Natto Okonimiyaki

Back in March I tried to make my first batch of homemade natto using a pack from the store as my starter but it didn't work out. This time I'm going to try the natto starter spores shown in the first video. We'll see how it goes.

natto is great for you but

youll need to get over the smell! haha, my wife eats it but i just cant.

what will you do if you dont have your freedom

Thanks for posting

Increased rates of circumcision immediately after birth, before infants can develop their vitamin K levels naturally, has undoubtedly contributed to making vitamin K injections routine, to lower the risk for increased bleeding from these early circumcisions.

As pointed out by one Mercola reader, it is interesting to note that a newborn’s natural prothrombin levels reach normal levels between days 5 and 7, peaking around the eighth day of life, related to the buildup of bacteria in the baby’s digestive tract to produce the vitamin K that is necessary to form this clotting factor. Day 8 is said to be the only time in a baby’s life when his prothrombin level will naturally exceed 100 percent of normal.

As it turns out, Genesis 17:12 of the Bible mandates the circumcision of infant boys on the eighth day after birth—a recommendation pronounced long before we had the science to back it up.

I will leave any conclusions to you about the significance of this anecdote, but it is nevertheless interesting.


Thanks for the link.

I remember reading about that a number of years ago. It's interesting indeed.

Dr. Mercola and Dr. Cees Vermeer talk about the vitamin K injections in part 10(I think). Dr. Mercola brought up the issue of babies being tramatized by the shots and Dr. Vermeer said an alternative would be to give the babies a drop of vitamin K orally.

Edit: I just read further into you article and I see it mentions the liquid vitamin K.