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Confused by doctor options to choose, including Keith McCormick

Osteoporosis & Bone Health | Last Active: Aug 21 9:52am | Replies (143)
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njx58, could you tell me how much K2-MK4 you are taking, and what brand? I have been using MK7/D3 supplement for years but am considering switching to MK4 and am not finding good guidelines for how much to take, or how much to take in conjunction with D3.

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Replies to "njx58, could you tell me how much K2-MK4 you are taking, and what brand? I have..."
njx58 | @njx58 | Jul 23 10:04am

I take 1000 mcg a day. There are a couple of brands available on Amazon. One is KAL, the other is Superior Source. Each has a 500 mcg pill. I take two a day - one in the morning and one in the afternoon.

There was a Japanese study some years ago that evaluated a 45mg dose (not 45mcg!), so you might see that somewhere, but other studies I've seen say that a much lower dose is fine. Dr. McCormick doesn't recommend this mega dose at all. His own supplement contains 1000mcg.

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