Whole grains tend to be high in many nutrients, including fiber, B vitamins, magnesium, iron, phosphorus, manganese and selenium (5, 6). This also depends on the type of grain. Bottom Line: Refined grains are nutrient poor, but some whole grains (like oats and wheat) are loaded with many important nutrients.Click to see full answer. Regarding this, why is wheat bad for you? Gluten and wheat Yet decades of studies have found that gluten-containing foods — such as whole wheat, rye and barley — are vital for good health and associated with a reduced risk of diabetes, heart disease, cancer and excess weight.Similarly, do whole grains cause inflammation? In addition to having little nutritional value, refined grains have been linked to higher levels of inflammatory markers in the blood. Not only is increased inflammation bad for arthritis, but it can also increase your risk for other inflammatory conditions, such as heart disease and diabetes. Herein, why is whole wheat good for you? Whole grains are packed with nutrients including protein, fiber, B vitamins, antioxidants, and trace minerals (iron, zinc, copper, and magnesium). A diet rich in whole grains has been shown to reduce the risk of heart disease, type 2 diabetes, obesity, and some forms of cancer.Is too much wheat bad for you?So if you have coeliac disease and eat gluten, it will trigger an auto-immune response that damages the lining of your small intestine. This reduces your ability to absorb nutrients from food and could lead to serious nutritional deficiencies, osteoporosis, infertility and bowel cancer.