Nutricost, Whey Protein Isolate, Unflavored, 5 lb (2,268 g)

Whey protein isolate (whey protein, sunflower lecithin) (instantized).

Contains: Milk.

Packaged and quality tested in the USA with globally sourced ingredients.
https://il.iherb.com/pr/nutricost-whey-protein-isolate-unflavored-5-lb-2-268-g/145297

Kosher

Would you consider this dairy?

Yes. Since it’s the main ingredient.