These Are the 4 Healthiest Flours to Bake With, According to a Dietitian

Rye flour is made from rye berries. "Lignans, a type of phytonutrient found in rye berries, may play a role in digestive and heart health," Gena said. In addition, some research suggests that rye, and breads made with rye flour, are associated with lower rates of type 2 diabetes. Rye bread may also be a better choice for those managing diabetes.

Thanks to its fiber content, rye flour raises blood sugar more slowly and steadily than white bread does. Gena suggested using rye flour to get an extra boost of nutrition when baking a sourdough bread or a flavorful artisanal loaf.