How to buy dairy products without substitute of milk fat?

Why it is important to buy dairy products without substitute of milk fat? Milk fat contains a little absolutely irreplaceable components which cannot be received from other products, including from vegetable fats. The recommended norm of consumption milks and molokoproduktov in terms of milk makes 325 kg on the person in a year while the actual consumption of such products per capita in 2017 by data Federal State Statistics Service made 231,0 kg (71% of norm)...