I don't know if K3 is at "more studies needed to determine the safe upper limit" or "unsafe at any level." Or why the manufacturers wouldn't use K1 like in human-grade things. $$$, probably. Yay, capitalism! Cheaper, less safe ingredients means more profit for us!
I learned about it in pharmacy school, and I was grossed out. (See also Armour Thyroid.)
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chiming
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Date: 2011-09-13 08:18 pm (UTC)From:I learned about it in pharmacy school, and I was grossed out. (See also Armour Thyroid.)