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Vitamin D and K2

Updated on December 21, 2020 in Ask A Coach
4 on December 18, 2020

What would be the ratio of K2 I need to take if I take 5,000 daily units of Vit.D? My Vit.D blood level is at 73 now.

Thanks so much!

 
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1 on December 19, 2020

That’s great that you are at 73! 

The standard ratio for vitmain K (K1/K2) is 100 mcg for every 1000 IU (now more commonly written as 25 mcg), but your individual needs may vary based on medications, diet, and genetics. 

Best!

Zoe

on December 21, 2020

Is it possible to get the Vit K through food? What are the best sources of food Vit K?

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1 on December 21, 2020

Yes, you can! Eating your greens is the easiest way, as long as you eat them regularly. Here is a good table of food sources, with their corresponding micrograms of vitamin K (source is Linus Pauling Institute):

Table 2. Some Food Sources of Vitamin K (Phylloquinone)
Food Serving Phylloquinone (μg)
Kale, raw 1 cup (chopped) 472
Swiss chard, raw 1 cup 299
Parsley, raw ¼ cup 246
Broccoli, cooked 1 cup (chopped) 220
Spinach, raw 1 cup 145
Watercress, raw 1 cup (chopped) 85
Leaf lettuce (green), raw 1 cup (shredded) 46
on December 21, 2020

Thanks! Great chart!

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