if you not a baby you should not really be drinking copious amounts of milk...you might have graduated to yoghurt and then cheese..
The other thing is if you have a small amount of arable land you can grow your own food, and that is managebale to keep you supplied in fresh produce. Intensive gardening is better for you and the planet than plantation style monocultures harvested by machine.
not saying go the prepper route and live off the grid, but you can grow food even in urban areas. elementary Schools are probably the best places to learn this ancient practice of gardening. It goes right back to adam and eve...the knowledge on how to do it is still there, its just been taken over by corporates trying to make a buck.