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Thorne Research, Vitamin K2, 1 fl oz (30 ml)

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Thorne Research, Vitamin K2, 1 fl oz (30 ml)

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Thorne Research, Vitamin K2, 1 fl oz (30 ml)

In Stock
  • Expiration Date: March 2019
  • Shipping Weight:
    0.11 kg
    Switch to Imperial units
  • Product Code: THR-17001
  • UPC Code: 693749170013
  • Package Quantity: 1 Count
  • Dimensions:
    10.2 x 3 x 3 cm , 0.07 kg
    Switch to Imperial units

Product Rank:

#17 in Vitamin K >
Frequently Purchased Together
Product Overview


  • Dietary Supplement

Vitamin K2 in its MK-4 form to support bone, heart, and blood vessel health.

Vitamin K2 (as MK-4) exerts a more powerful influence on bone health than vitamin K1. K2 also supports heart and blood vessel health.* It comes in a metered bottle for ease of use.

Vitamin K2 offers significant benefit for supporting bone health – more than vitamin K1. Although vitamin K2 offers well-recognized postmenopausal bone support, because it has no estrogenic effects it also provides support to other populations as well, including anorexics, dialysis patients, individuals with Parkinson's disease, those who have cirrhosis of the liver, individuals who have had a bone marrow transplant, those immobilized after a stroke, and individuals on chronic steroid therapy. Vitamin K2 also supports a healthy heart and blood vessels. Thorne's vitamin K2 supplies 1 mg of vitamin K2 per drop. Research shows that 15 mg three times daily can be safely used. The concentrated liquid and the bottle's metered dispenser make use easy and convenient.

Suggested Use

Take 15 drops one to three times daily or as recommended by your health-care practitioner. Invert bottle to dispense individual drops. May be added to food or mixed in beverages. Do not refrigerate.

Other Ingredients

Medium chain triglyceride oil, mixed tocopherols.


Tamper Evident: Use only if bottle is sealed.

Store tightly sealed in a cool, dry place.

If pregnant, consult your health-care practitioner before using this product.

Supplement Facts
Serving Size: Fifteen Drops
Servings Per Container: 80
  Fifteen Drops Contain: % DV
Vitamin K (as K2 (M-4)) 15 mg 12,500%
Daily Value (DV)
iHerb Customer Reviews

One drop

Posted by iHerb Customer on February 11 2018 | Verified Purchase

Really like this stuff. Only need one drop with my daily 5 drops of Vit D. Thorne is a great, trustworthy company that makes top notch supplements too.

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Works like a charm

Posted by iHerb Customer on January 26 2018 | Verified Purchase

Had to have a carotid artery cleaned out. Too much free calcium in my blood. Friend told me about vit K2 to block calcium in the blood and absorbed into the bone. Been several years now and Dr said, "Don't know what you're doing, but, keep doing it!" Tests just keep getting better. Dr doesn't understand. Proof enough for me!!!

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This particular K2 is very effective, but new dropper works terrible

Posted by iHerb Customer on January 1 2018 | Verified Purchase

Since I started taking this product my cavities have been filling in ever so gradually, it's amazing (I only take 2 drops a day since it's so expensive, but it still works, just takes much longer to get results). However I no longer give it 5 stars, I knocked off 1 star because they changed the style of dropper on the bottle... for the worse... you can't control how many drops you're going to get. Nor can you aim it where you want it. Don't like it at all. Plus, it's (unhealthy) plastic!!! It used to be a glass eye dropper. Any chance this bottle could be changed back to how it used to be with the glass eye dropper? It just worked so much better.

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Wish they came in liquid gel caps

Posted by iHerb Customer on December 17 2017 | Verified Purchase

Great product but I take 45mg per day and the drop restriction takes too much time-- I wish the product came if 15 mg liquid gel caps or some faster way to get it-- thxs

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Terrible Sevice

Posted by iHerb Customer on December 7 2017 | Verified Purchase

Terrible Service! Iherb sent me the wrong order including some cheap vitamin and some vasalin. I live in Canada and can grab vaselin in thw pharmacy if I need it but dont even use. UPS tried to return the packages (yes they sent two one that my stuff but I did not get and one that UPS brought to me) but iherb refused to pay for the rteturn fees. They abandonned my package with UPS and did not care I paid them my hard earned money over 160 doolars! Don't order from iberb because in cae of mistake from their part, they don't try to fix it. They don't care about you. Canadians and other foreigners, you have been warned! I

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