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Vitamin K Prevents Insulin Resistance in Older Men

Vitamin K slowed the development of insulin resistance in elderly men in a study of more than 350 men and women ages 60 to 80.

Among those in the study given vitamin K, both men and women took daily multivitamins containing 500 micrograms of vitamin K, five times the recommended Adequate Intake (AI). They also received a calcium and vitamin D supplement. Men and women in the control group received no vitamin K supplementation but did receive the multivitamin and the calcium and vitamin D supplement.

Men who received vitamin K supplementation had less progression in their insulin resistance. However, progression in insulin resistance was observed both in women who received vitamin K supplementation, and in the men or women who were not given vitamin K supplements.

In addition to improved insulin resistance, the supplemented men had lower blood insulin levels compared to the unsupplemented men at the conclusion of the study.



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Article's Comment     ( 12 Comments )
 
 
 +7 Points           
 
Author of the Article
BY ulfpohl   
  
[ Joined on 11/08 ]
[ Posted on December 01, 2008 ]
Post Reply
Vitamin K is cosmetic too.When avoiding carbs for a while the insuline resistens will decline and the whole problem disappear as time goes by.
Diabetes 2 is a totally unnecessary desease and can be both avoided and reversed by food.That is known since long ago and I cannot understand why it`s still a problem in treatment. Who is interested in drug- or additiv treatments when the solution is known? Guess!
 

 +3 Points           
 
Author of the Article
BY samurai   
  
[ Joined on 04/07 ]
Author of the Article [ Posted on December 02, 2008 ]
 
Shaneperrone=
I absolutely disagree with that "bible" article.  Fruits and Veggies have plenty of carbs and I do NOT agree that they cause cancer. 
Apples are wonderful, and full of carbs!  That goes for carrots too.

 +1 Points           
 
Author of the Article
BY shaneperrone   
  
[ Joined on 11/07 ]
Author of the Article [ Posted on December 01, 2008 ]
 
I agree with the carb problem, if anyone hasn't seen it here is a good page:
http://www.biblelife.org/carbs.htm

 
 +3 Points           
 
Author of the Article
BY BobbyLee   
  
[ Joined on 06/06 ]
[ Posted on December 01, 2008 ]
Post Reply
I didn't find anywhere mentioned what type of Vitamin K was used.

Vitamin K comes in several forms. The most likely found in a supplement form is Phytonadione, which is synthetic form (also the cheapest) known also as K1.  It is not the best used, or absorbed. 

There are two forms of vitamin k2. The form that is predominantly found in meat is called Menatetrenone also known as menaquinone-4 or MK-4.  It is apparently the preferred form by the body when coming from natural food sources. It is very readily absorbed and assimilated. When put in a supplement it is still a debatable question whether it is useful or not.  Apart from its food constituent parts, it may be less useful.   The third form is called menaquinone-7 (MK-7) and is derived from natto. It is currently the most expensive form in a supplement, and the makers have tried to state its superiority by pointing out such things as its longer half-life in the blood than Menatetrenone.   It is a good form, but if it is the best is still a debate.

Since the article doesn't even make mention of any of this, the data from it are seriously subject to question. 

As to overclotting, it is very doubtful that 500 mcg per day, the amount listed in the study would cause overclotting unless the K status was already over the top in the blood.  Most insulin resistant people are far from that situation.

Vitamin D RDI is a paltry 400 iu, and 2,000-4,000 iu is a more realistic RDI. That is 5-10 times the recommendation.  So "10 times the recommended" vitamin K can be taken the same way.  The only RDI that I know is way too high for most people is iron.  Most everything else is way too  low.

Papa Lee


 
 +2 Points           
 
Author of the Article
BY ulfpohl   
  
[ Joined on 11/08 ]
[ Posted on December 02, 2008 ]
Post Reply
Shaneperrone-Thanks again for supporting my opinion and completing my knowledge by pointing out sources of useful information-www.biblelife.org was  really unexspected  for me.