The health benefits and risks of eating cereal for breakfast is a mixed discussion among health experts. On one hand, cereals that are made with whole grains and are high in fiber have been known to help lower cholesterol and improve digestive health. But on the other hand, cereals that are higher in added sugar , made from refined carbs, and are lower in fiber can negatively impact your health goals and weight loss plans. The key is knowing which cereals to choose, and which ones to avoid . We talked with Holly Klamer, MS, RDN , registered dietitian and writer with the My Crohn's and Colitis Team , about her take on the unhealthiest breakfast cereals when it comes to weight loss. And her answer? Kellogg's Honey Smacks . Continue reading to learn why Honey Smacks are considered one of the worst weight loss cereals, and for more healthy weight loss tips, make sure to check out The Best Weight Loss Drinks For Breakfast . The #1 worst cereal for weight loss is Kellogg'