Think you're eating healthy by adding agave to your Greek yogurt and unfiltered maple syrup to your oatmeal? Yeah, well, not so much. These and other add-ins for yogurt and oatmeal only boost blood sugar and work against the inherent health advantages of both – yogurt is high in protein and healthy gut bacteria, while oatmeal is loaded with soluble fiber, which may help lower bad LDL cholesterol, and helps you feel full. So what should your stir into yogurt and oatmeal? Here, eight healthful options, according to holistic nutritionist Lisa Turner of InspiredEating.com.