Heidi Klum is seen with a milk mustache in her ad Got Milk? Researchers suggest that 3 glasses of low fat milk a day helps you maintain you body remain fit and healthy. Mum Heidi Klum follows this advice and has recently shot for a milk ad. Proteins inside the milk help build your body muscles for a slim built. So you dears also follow the advice and have a glass of milk thrice a day to remain fit and fine.