All seems well. Four stars because without extreme biometric analysis and blood testing, I cannot determine the efficacy of ingestation of Vitamin K2 with scientific certainty. My report, therefore, is merely anecdotal. So far, my experience with the product has involved swallowing the capsule (easy to do) and trusting the claims made by other researchers. I can, however, report, the no diluterious consequence has been evident. That is, I believe that PHI NATURALS' vitamin K2 MK-7 100 mcg capsules contain "good stuff."