Saturday, March 21, 2009

The Lost Vitamin....Essential Vitamin K

I don't know about you, but in the alphabet soup of vitamins (A, B, C, E...) I've never heard much about vitamin K. It turns our that vitamin K is essential for regulating calcium balance in our body. A deficiency in vitamin K can be related to brittle bones and hardening of the arteries due to arterial calcification. Let's talk about bones first....


Osteoporosis Assist
Vitamin K provides two benefits to the bone. In our bones, calcium is constantly undergoing adsorption and degradation (resorption). Vitamin K helps to prevent excessive calcium degradation which leads to brittle bones. Vitamin K also supports new bone formation by pulling calcium from our blood and causing it to stick to our bones. Vitamin D acts with K to assist calcium in bone protection.

Epidemiological studies have demonstrated a relationship between vitamin K and age-related bone loss (osteoporosis). The Nurses' Health Study followed more than 72,000 women for ten years. In an analysis of this cohort, women whose vitamin K intakes were in the lowest quintile (1/5) had a 30% higher risk of hip fracture than women with vitamin K intakes in the highest four quintiles (23). A study in over 800 elderly men and women, followed in the Framingham Heart Study for seven years, found that men and women with dietary vitamin K intakes in the highest quartile (1/4) had a 65% lower risk of hip fracture than those with dietary vitamin K intakes in the lowest quartile (approximately 250 mcg/day vs. 50 mcg/day of vitamin K).

http://lpi.oregonstate.edu/infocenter/vitamins/vitaminK/


A recent study from the University of Toronto found little difference in bone mineral density and vitamin K supplemention. My hunch here was that vitamin K was not supplemented with other nutrients essential for bone building. It's like having one great player but no team. It's also highly probable that food sources of vitamin K are what the body utilizes, not synthetic supplements. [This is becoming a comon theme in nutrition - synthetic supplements are the same as nutrient from food!] Despite this finding, there were two surprises: "compared to placebo group women, women who took vitamin K over the four-year period had fewer fractures (9 vs. 20 women) and fewer cancer incidences (3 vs. 12 women)."

http://www.medicalnewstoday.com/articles/125168.php

Great food sources of vitamin K for your diet include: dark leafy veggies, seeds (sesame, sunflower, pumpkin), eggs.

http://thrivefoods.blogspot.com/

2 comments:

Jack said...

Chances are the calcium supplement you are taking now is a rock source of calcium. The label will say "calcium carbonate", which is nothing more than limestone. AlgaeCal Plus contains an organic, plant-sourced calcium form derived from a unique South American marine algae called Algas Calcareas™.

Sachin Agarwal said...

Packers and Movers Gurgaon
Packers and Movers Delhi
Movers and Packers Gurgaon
Movers and Packers Delhi
Packers and Movers in Gurgaon
Packers and Movers in Delhi
Movers and Packers in Gurgaon
Movers and Packers in Delhi