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Vitamin K - The Cancer-Preventing Vitamin

(2010-07-16 23:02:15) 下一个
http://articles.mercola.com/sites/articles/archive/2010/07/17/cees-vermeer-interview.aspx
http://products.mercola.com/vitamin-k/?source=nl

For example, this vitamin...

  • Helps you build strong bones and keep them healthy*
  • Helps support your vascular (arteries and veins) system*
  • Promotes your healthy heart*
  • Helps you fight against premature aging*
  • Enhances your memory function*

And this is just a start...

Before I get into more details on this vital nutrient, I must warn you up front... there are synthetic forms of this nutrient that may put your health at risk.

So, it’s very important to make sure you fully understand what to look for.

After all, the whole purpose here is to give more exposure to the ‘forgotten vitamin’ so you can reap the benefits... not to spike any health risk.

And that’s exactly what I’m planning to do. Just please pay close attention to the details on the different types of this nutrient to avoid potentially risky synthetics.

Next, let’s discover...

Why You Could Be Deficient in This Vital Nutrient

It’s hard to understand why this vitamin has been so overlooked over the years. And estimates range as high as 99% of the population could be deficient in this nutrient.

There are many conditions where you could be putting yourself at risk for a higher likelihood of deficiency.

First of all, this vitamin is fat-soluble.

What does that mean? Well, fat-soluble simply means that dietary fat is necessary for efficient absorption. So, if your diet does not contain adequate amounts of dietary fat, your absorption of this nutrient could be impacted.

There are additional conditions that could increase your risk of deficiency in this essential vitamin...

  • Eating a poor or restricted diet
  • Taking certain medications such as broad-spectrum antibiotics, cholesterol drugs, and potentially aspirin that may impact or block vitamin absorption
  • Eating foods containing the wrong type of this vitamin with poor bioavailability

I’m ready to dive into your best natural source of this ‘forgotten vitamin’... but first, right up front, I want to further raise your awareness of...

Synthetic Pretenders – What to Look For and Avoid

If you haven’t figured out what the ‘forgotten vitamin’ is by now let me tell you that this new wonder kid on the block is vitamin K. You can rest assured that in the next few years you will hear the media rave about its benefits. 

But fortunately, since you are reading Mercola.com, you can learn about this long before the rest of population discovers its benefits.

Danish scientist, Dr. Henrik Dam, discovered vitamin K in 1929. The ‘K’ is for ‘koagulation’ – essential for blood clotting.* But it only starts there.

Vitamin K is unique because it has multiple effects in your body, but doesn’t demonstrate any known toxicity. With research focused on potential effects on your skeletal system, brain, liver, and pancreas, vitamin K is one of the most promising nutrients of our time.*

But you should know about the different types. And in particular, know which synthetic type to be on the lookout for.

There are three main forms of vitamin K...

  • K1 - phylloquinone, aka phytonadione
  • K2 - menaquinone
  • K3 - menadione synthetic variant

Vitamin K3 is a synthetic variant of the vitamin which I don’t recommended for human consumption... this is the one you and your family need to avoid at all costs.

Green leafy vegetables – including lettuce, broccoli, and spinach contain vitamin K1. And it makes up about 90 percent of the vitamin K in the Western-style diet.

The vitamin K which I recommend is vitamin K2. It’s natural, non-toxic, and made in your body as well.

Vitamin K2 includes several menaquinones (MK-n, with the ‘n’ determined by the number of prenyl side chains), such as MK-4 found in meats, MK-7, MK-8, and MK-9 found in fermented food products like cheese and natto.

What Is Your Best Source of the ‘Forgotten Vitamin’?

One of the best natural sources of vitamin K2 comes from an ancient Japanese food called natto.

So, what is natto?

  • Natto is typically fermented from soybeans or chickpeas by using a healthy bacteria called bacillus subtilus that may also serve as a probiotic*

Fermented foods, like natto, typically have the highest concentration of vitamin K in the human diet. Levels of vitamin K found in natto (K2) have been shown to far exceed those amounts found in dark green vegetables (K1).

In fact, vitamin K2 concentration after the consumption of natto has been shown to be about 10 times higher than that of vitamin K1 after eating spinach.

Unfortunately, most people do not eat or enjoy many fermented foods.

And the absorption of vitamin K1 through eating green leafy vegetable is not very efficient... some research shows only about 10-15% gets absorbed even when consumed with dietary fat.  

The problem with natto is that most people do not enjoy eating it because they find it very distasteful. It has a slippery texture with a strong flavor and pungent aroma.

Some people do acquire a taste for natto over time. But many never do.

Any wonder why most people may be deficient in vitamin K? They simply may not be eating the right food to provide what’s needed.

So, what can be done to solve this issue? That’s where I can offer some recommendations to help out.

Fermented Dairy – An Excellent Source of Vitamin K2

Vitamin K2 in Curd Cheese

While natto is the most potent natural source of vitamin K2, the nutrient is also readily available in fermented dairy products, especially cheeses.

Most cheeses are rich in vitamin K2... particularly, curd cheese. And even though it’s not as high in vitamin K2 as natto, curd cheese may be more palatable on a day-to-day basis for many people. Raw curd cheese made from grass-fed cows would be best.

Like I mentioned earlier, most people have a difficult time acquiring a taste for natto... especially on the regular basis needed for healthy K2 absorption.

Curd cheese is also a good vitamin K2 source because it’s lower in fat (animal fat) than regular cheese.

When compared to natto in equal portions... Japanese food natto contains over 27 times more vitamin K2 than curd cheese.

No Good Vitamin K2 Test

One of the reasons vitamin D became so popular is that a relatively inexpensive test became commercially available in the 1990s. That allowed researchers and clinicians to gain a better understanding of vitamin D. Unfortunately, there really isn’t a great commercial assay for vitamin K2 yet.

Sure there is a blood test.

But, this classic measure of vitamin K deficiency uses clotting time and what’s called ‘prothrombin’... which provides almost no value for determining vitamin K deficiency in your bones or arteries.

In fact, in some cases, blood levels of vitamin K may appear normal while a real deficiency exists in your bones.

So, more work needs to be done in the area of vitamin K deficiency testing.

As this ‘forgotten vitamin’ gets more and more of the attention it deserves, I’m confident modern medical science will determine a more accurate test... just like the comprehensive test eventually created for vitamin D.

With potential health advantages (in addition to the ones already mentioned above) in which vitamin K has been shown to...

  • Promote your heart health*
  • Protect and support your skin*
  • Provide the calcium path ‘key’ from your bloodstream to your bones*
  • Support your immune system*
  • Help regulate calcification of your tissues*
  • Protect your cells against oxidative damage*
  • Aid in supporting your already normal blood sugar levels*

...it's only a matter of time before a more comprehensive test evolves.

In the meantime, it’s important you take vitamin K deficiency seriously and take action to provide yourself and your loved ones with enough vitamin K.

And if you do not like the taste of natto, or prefer not to eat curd cheese, I have a phenomenal solution for you coming up.

But next, let’s take a closer look at...

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