Wheat grains deliver a variety of important nutrients, including vitamins, minerals, protein, fiber, and other healthy plant compounds. Eating wheat grains may lower your risk of heart disease, especially when they replace refined grains.As part of a heart-healthy diet, wheat grains may help lower your risk of stroke. In addition to being a major source of starch and energy, wheat also provides substantial amounts of a number of components which are essential or beneficial for health, notably protein, vitamins (notably B vitamins), dietary fiber, and phytochemicals.