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Widely considered the gold standard for supplementation .

It has a long half-life of roughly 72 hours , remaining active in the bloodstream for several days . buy vitamin k2

2. Purity and Bioavailability: What to Look for on the Label MK4 or MK7, Which is Better for Bones? - NBI Health Widely considered the gold standard for supplementation

While some researchers argue it is more rapidly taken up by specific tissues like the brain, its fast clearance makes it less practical for daily general supplementation . buy vitamin k2