For those who care to know instead of making assumptions.
From a doctors guide for those who are Lactose intolerant.
“There are several types of non-dairy creamers that you can use in place of milk to lighten your coffee. They come in a variety of flavors, in both liquid and powder form. Non-dairy creamers contain sodium caseinate in place of lactose. Sodium caseinate is a derivative of milk, but it is a protein, not a sugar carbohydrate. This ingredient helps give non-dairy creamers their smooth textures.”
Is there still a question why these types of products have an OU-D? The designation “non dairy creamer” is an industry label, not a kashrus label. An educated consumer……