Osteo-K® NBI 180 capsItem Description By NBI Maintains strong bones* Supports healthy bone density and bone matrix* Promotes healthy bone marrow* Supports healthy immunity and healthy inflammation balance* Supports genes that produce healthy bone collagen* NBI has created three versions of its bone support products to meet people's unique nutritional needs. All three formulas provide 45 mg day of MK4 and 50 mcg day (2000 IU day) of vitamin D3 to promote healthy bone