10 Important Facts About Vitamin K That You Need to Know

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10 Important Facts About Vitamin K That You Need to Know

By Dr. Joseph Mercola

with Rachael Droege

 

 

 

Vitamin K is a fat-soluble vitamin that is most well-known for the important

role it plays in blood clotting. However, vitamin K is also absolutely essential

to build strong bones and prevent heart disease, and it plays a crucial role in

other bodily functions other than blood clotting. It is so important that,

although I don’t typically recommend adding extra supplements to your diet,

vitamin K is one of the few supplements you should seriously consider because

many people do not get nearly enough of it on a daily basis through the foods

they eat.

 

 

 

In fact, vitamin K is sometimes referred to as “the forgotten vitamin” because

its major benefits are often overlooked. Following are 10 important facts about

vitamin K that will help you to discover why vitamin K is one supplement you may

need.

 

 

 

1. There are Three Types of Vitamin K--Which is Best?

 

 

 

Vitamin K1, or phylloquinone, is found naturally in plants and vitamin K2, also

called menaquinone, is made by the bacteria that line the gastrointestinal

tract. Vitamin K3, or menadione, is a synthetic form that is manmade, and which

I do not recommend. It’s important to note that toxicity has occurred in infants

given this synthetic vitamin K3 by injection.

 

The vitamin K that I recommend is vitamin K1, which is natural and not toxic at

even 500 times the RDA. Vitamin K2, which is made in your body and also produced

by fermented foods, is also a superior form of vitamin K.

 

 

 

2. Vitamin K Prevents Arterial Plaque & Heart Disease

 

 

 

Vitamin K helps to prevent hardening of the arteries, which is a common factor

in coronary artery disease and heart failure. Research suggests that vitamin K

may help to keep calcium out of artery linings and other body tissues, where it

can be damaging.

 

 

 

3. Build Strong Bones, Prevent Osteoporosis

 

Vitamin K is one of the most important nutritional interventions for improving

bone density. It serves as the biological " glue " that helps plug the calcium

into the bone matrix.

 

According to recent studies:

 

Vitamin K was recently compared to a first-generation biphosphonate drug

called Didronel in 72 osteoporotic women for two years and there was no

difference found in the bone fracture rates between women taking vitamin K and

women taking the biphosphonate drug for osteoporosis.

Other recent studies have shown vitamin K to be equivalent to Fosamax-type

osteoporosis drugs.

 

4. Fight Cancer

 

Studies have shown that vitamins K1 and K2 are effective against cancer. For

instance, one study published in the September 2003 International Journal of

Oncology, found that treating lung cancer patients with vitamin K2 slowed the

growth of cancer cells, and previous studies have shown benefit in treating

leukemia.

 

Further, a number of human trials have demonstrated the anticancer effects of

vitamin K1. In a study published in the August 2003 Alternative Medicine Review,

of 30 patients with hepatocellular carcinoma, a type of liver cancer, who took

oral vitamin K1, the disease stabilized in six patients, seven patients had a

partial response, seven others had improved liver function and in 15 patients

the abnormal prothrombin normalized.

 

5. Additional Health Benefits

 

As written in the March 2004 Life Extension magazine, researchers have found

many other beneficial effects of vitamin K including:

 

Vitamin K deficiency may be a contributing factor to Alzheimer’s disease, and

vitamin K supplementation may help to fight this disease

Topical vitamin K may help to reduce bruising

Vitamin K deficiency may interfere with insulin release and blood sugar

regulation in ways similar to diabetes

Vitamin K may have antioxidant properties

 

6. Vitamin K is a Fat-Soluble Vitamin

 

This is important because dietary fat is necessary for the absorption of this

vitamin. This means that in order for you body to absorb it effectively, you

need to eat some fat along with it. One easy way to do this is by adding the

liquid vitamin K drops I recommend directly into your fish oil or cod liver oil.

This will ensure that the vitamin K is well-absorbed by your body (plus you’ll

be getting beneficial omega-3 from the fish oil!). Alternatively, you could add

it to any other food that contains fat.

 

7. Food Sources of Vitamin K

 

Fermented foods, such as natto, typically have the highest concentration of

vitamin K found in the human diet and can provide several milligrams of vitamin

K2 on a daily basis. This level far exceeds the amount found in dark green

vegetables. Unfortunately, most Americans do not eat many fermented foods.

 

Adding traditionally fermented foods to your diet is a must, and, although not

widely known, the health benefits of these foods are tremendous. We will very

shortly be introducing a simple and inexpensive way in which you can ferment

your own foods to radically improve your source of beneficial bacteria and

vitamin K2.

 

The following table lists some vegetable sources of vitamin K:

 

8. Who Needs Vitamin K?

 

If you have, or if your family has, a history of osteoporosis or heart disease,

I strongly advise you to add vitamin K to your diet. Keep in mind that you’d

have to eat over one pound of collard greens daily to get the equivalent amount

of vitamin K. Clearly the collard greens or spinach would be better for you and

would provide you with additional benefits, but if you already have heart

disease a little extra vitamin K would seem a simple bit of insurance to make

sure that your blood vessels don't harden.

 

You will also want to consider adding vitamin K to your diet if you do not eat

many vegetables and are concerned that, for whatever reason, you are unable to

obtain enough vitamin K from your food. The following conditions may put you at

an increased risk of vitamin K deficiency:

 

Eating a poor or restricted diet

Chron’s disease, ulcerative colitis, celiac disease and other conditions that

interfere with nutrient absorption

Liver disease that interferes with vitamin K storage

Taking drugs such as broad-spectrum antibiotics, cholesterol drugs and

aspirin

 

9. How Much Vitamin K do I Need?

 

I recommend 3,000 mcg of vitamin K per day, which is six drops per day of the

Biotics brand of vitamin K I offer. Each drop has 500 mcg of vitamin K.

 

10. Who Should Not Take Vitamin K?

 

Pregnant and nursing mothers should avoid vitamin K supplemental intakes higher

than the RDA (65 mcg) unless specifically recommended and monitored by their

physician. Those who have experienced stroke, cardiac arrest, and those prone to

blood clotting should not take vitamin K without first consulting their

physician.

 

 

 

Related Articles:

 

You Need Vitamin K to Prevent Arterial Plaque & Heart Disease

 

Fight Cancer With Vitamin K

 

Vitamin K May Help Build Strong Bones

 

Protect Yourself From Heart Disease With Simple Lifestyle Changes

 

 

 

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