Amway Global, Ada, MI, has launched NUTRILITE brand Vitamin D3 2000 IU plus Vitamin K2. The dietary supplement is formulated with the naturally occurring form of vitamin D in an amount that’s equal to 20 eight-ounce glasses of milk, according to the company. NUTRILITE Vitamin D3 formulation also includes vitamin K2, which is an ideal complement because it helps promote calcium incorporation into bone.