Vitamin D3 & K2 by Natural Factors $33.00 60 Softgels - $33.00 Size 60 Softgels 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Combining vitamins D and K may provide even better support than the individual nutrients for bone and vascular health.* Contains the bioactive and highly bioavailable D3 and MK-7 forms.