"Good price for it and K-7 is a must vitamin to make your body absorb calcium. I had my thyroid removed this year which means I must take a lot of calcium (hours away from thyroid hormone - Synthroid)"...(read full reviews)

Life Extension Super K with Advanced K2 Complex -- 90 Softgels (2 reviews) product details

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"Best K supplement I have ever seen.. Nuff said!"...(read full reviews)

NSI Ultra Vitamin K with Advanced K2 Complex -- 90 Softgels (1 review) product details

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"Ultra Vitamin K with Advanced K2 Complex is indeed the "Ultra" Vitamin K formula! It contains the three most important / effective forms of this vitamin that is ESSENTIAL for healthy blood clotting /"...(read full reviews)

Natural Factors Vitamin K & D - 60 Softgels (1 rating) product details

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NSI Vitamin K2 (MK-7) from Natto Extract -- 100 micrograms - 90 Softgels (1 review) product details

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"Vitamin K - especially the MK-7 form of vitamin K2 - is one of the biggest advances in human health in the last 10 years. I have read detailed scientific information from the world's leading vitamin"...(read full reviews)

Source Naturals Vitamin K -- 500 mcg - 200 Tablets (1 rating) product details

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Country Life Vitamin K-1 -- 100 mcg - 100 Tablets (7 reviews) product details

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"This is a small little pill with a big benefit. Check the back of your multi-vit bottles, most do not have the RDA of Vit K. Great price for 100 tablets. Fast ship too!"...(read full reviews)

NSI Vitamin K2 Complex with MK-7 -- 400 mcg - 180 Softgels (4 reviews) product details

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"This product was definitely the missing link to my overall well-being."...(read full reviews)

Jarrow Formulas MK-7 -- 90 mcg - 60 Softgels (6 reviews) product details

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"I read a great review in a health newsletter and ordered it. It has been very effective."...(read full reviews)

Source Naturals Vitamin K2 -- 60 Tablets (6 reviews) product details

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"I am convinced that this is the best form (natto extracted K2) of K available. The only downside is the cost compared to the lab made K1."...(read full reviews)

NutriCology Full Spectrum Vitamin K -- 90 Softgels (2 reviews) product details

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"Seemed to be the best formulation and value out there to get all of your K's. I read that vitamin K in various formulations and with other vitamins and supplements can help the heart and the bones."...(read full reviews)

Source Naturals Vitamin K -- 500 Mcg - 100 Tablets (4 reviews) product details

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"I have spent many years in doctors' offices getting various tests for pelvic pain. The doctors never could tell me what was causing my pain. I finally read that Vitamin K deficiency can cause ovarian"...(read full reviews)

NSI Vitamin K-1 -- 10 mg - 90 Capsules (4 reviews) product details

Overall Rating:

"Wow, One Pill is 100 times RDA. You can't get a better value than that. I need even less than that, about 1/170 a day, this bottle is going to last me until I die probably."...(read full reviews)

Carlson Vitamin K2 -- 180 Capsules (2 reviews) product details

Overall Rating:

"After researching the ingredients...- I discovered that Carlson K2, is the MK-4 form & only lasts a few hours (same with K-1). The best long lasting form of Vitamin K- is K2 from menaquinone-7!- This"...(read full reviews)