Vitamin K Levels in Common Foods: Quick Guide

Your quick guide to safe and healthy snacks while taking Coumadin (warfarin)

Here is a handy list of the amounts of Vitamin K in the indicated servings of common snacks. Vitamin K measurements are for the edible portion. Remember that consistency is key in your daily amount of Vitamin K so that your INR and your dosage of Coumadin (warfarin) can remain stable.

The current Recommended Daily Allowance of Vitamin K is 70-80 micrograms per day. Here's why the RDA should be your target.

Item Amount Vitamin K
Almonds (unsalted, raw) 1 oz. 0 mcg
Pecans (unsalted, raw) 1 oz. 1.0 mcg
Peanuts (unsalted, raw) 1 oz. 0 mcg
Walnuts (unsalted, raw) 1 oz. 0.8 mcg
Popcorn (air popped) 2 cups, popped 0.2 mcg
Popcorn (microwave, 94% fat free) 2 cups, popped 0.2 mcg
Potato chips (plain, salted)* 2 oz. 12.4 mcg
Corn chips (plain, salted)* 2 oz. 3.5 mcg
Salted pretzels 2 oz. 1.6 mcg

* The level of Vitamin K depends on what oil the item was cooked in, as some oils are higher in Vitamin K. See the Fats, Oils and Dressings table for more information.