Irwin Naturals - High Potency D3 & K2 Complex - 60 Liquid Softgels The robust formula of Irwin Naturals High Potency D3 & K2 Complex delivers the most sought-after bone health essentials including Vitamin D3 Vitamin K2 (as MK-7) Magnesium Zinc and Bamboo Extract which supplies Silica - an essentia