iHerb.com - Customer Questions & Answers
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VeganHerb
December 3 2017
Is this form MK-4 is synthetic or derived from animals? Is this product suitable for Vegans?
RogerVDH
May 14 2018
Verified Purchase
Best Answer
Vitamin K2 - MK4 is only synthetic available. K2 - MK7 is sometimes derived from (for example) natto, which is a natural source. There are studies suggesting that the body is using MK4 for other purposes than MK7. Sorry, I don't know if the product is suitable for Vegans.
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iHerb Customer
December 4 2019
I-ve read that the body doesn't even recognise mk4 so it flushed it away :( So, just mk7 is the choice.
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iHerb Customer
November 6 2019
I doubt it as they D3 is from sheep's wool, I believe
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iHerb Customer
March 7 2019
The only vegan D3 comes from a lichen plant and is made by global healing center.
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iHerb Customer
February 28 2019
I e-mailed Thorne and the vitamin D is from lanolin, and therefore is not vegan.
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iHerb Customer
January 3 2019
Did you get to know, is it vegan?
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iHerb Customer
December 7 2017
Verified Purchase
Sorry, I cant help, I'm not a vegan and I don't know what this MK-4 is made from.
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iHerb Customer
December 5 2017
Verified Purchase
Don't know. Try the Thorne website.
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iHerb Customer
December 5 2017
Verified Purchase
I'm sorry, I do not know the answer to your question. However, if you call Thorne Research, they can help you. Their phone number is 800-228-1966.
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