VITAMIN D
D3 (cholecalciferol)
The sun-derived form, animal-derived (lanolin) form, and the form that is believed to effectively raise bodily levels of active vitamin D better than D2.
VITAMIN K
K2 (Menaquinone)
The form often found in foods that contain fat and suggested to be a better-absorbed form than K1 that also circulates in the blood longer than K1.