Nature's Way Primadophilus Optima High Potency (30 count) #10070622 Size:30 count ™ (Dermatological Advanced Formulation) keeps ™ (Dermatological Advanced Formulation) keeps skin around the eyes smooth and soothed Maintains bone density by facilitating calcium transport into bone Promotes a healthy heart and vascular system Includes the most bioavailable forms of vitamin K1 and K2 Bioavailable over a sustained 24 hour periodThe method by which vitamin K supports bones and arteries is related to its relationship with calcium True Identity Only the probiotic strains listed on the label make their way into a Primadophilus product not just at time of manufacture