One class, which is 250ml, of soya milk has approximately 4 grams of fat, 10 grams of protein, which is total of 140 kCal. It has no need for any lactose in the product. Because of that this milk is very much recommended if you have lactose intolerance. People with lactose intolerance can't drink regular cow's milk this is a super substitute. The downside is that the mil