You can start offering your baby cow’s milk as a main drink whenhe’s one year old. Before that, you need to be giving him infantformula [/en/en/choosing-the-right-formula-with-the-right-protein] orbreast milk, along with complementary foods that are rich in energyand micronutrients like iron, zinc, calcium, vitamin A and folates.However, a little cow's milk in your baby's food is fine once he hasstarted on solids [/en/getting-started-weaning-foods]; Cow's milk maybe low in iron, but has loads of important nutrients for your growingbaby. Here  [/en/foods-avoid-baby’s-first-year]is more of the must-knowfoods to avoid in a baby's first year!