Oat gives your body a good amount of B vitamins, zinc, protein and copper, which are some of the most important micronutrients for preventing hair loss. It also contains important minerals for hair growth such as potassium, phosphorus and magnesium and iron. Your body can be benefitted from all these essential ingredients when oat is included in your diet plan. Eating a bowl of oatmeal for breakfast is a great way to start a day. You can also try snacks made of oats. If you like to include oat in your salad then it is recommended to soak them for several hours to improve its nutritional value.