For infants and toddlers, breast milk is the best, and doubts there, I guess. Otherwise, the best milk is the cow's full cream milk. If you are thinking of weight loss skimmed cow's milk is the best. Vegans and those with lactose intolerance ideally should opt for plant-based milk such as soy milk and almond milk. For weight, loss purposes choose unsweetened plant-based milk. More details are shared in this article on the best milk for weight loss along with nutrients and facts about milk. In order to help you in choosing the right milk for weight loss.