mk7

  1. lvysaur

    Many K2 Supplements Useless, Only Trans-isomer Biologically Active

    True K2 the best Mk4 & Mk7 on the market today Cis and trans isomers of the vitamin menaquinone-7: which one is biologically significant? This would explain any brands of K2 that gave people no effects. I've had success with both Thorne and LifeExtension. Nested Naturals, a pure MK7...
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