We analyzed two assertions about starchy foods with intact cell walls and found that both support the idea that these foods lead to smaller rises in blood glucose and insulin after eating. The evidence we’ve reviewed suggests this happens because the physical structure of the food — like whole grains, legumes, or unprocessed potatoes — slows how quickly digestive enzymes can break down the starch into sugar [1]. This means the sugar enters the bloodstream more gradually, which may help avoid sharp spikes in blood sugar and insulin. We did not find any studies or assertions that contradict this pattern. Both assertions, supported by 68 pieces of evidence each, describe the same mechanism: intact cell walls and larger particle sizes act like a barrier, making it harder for the body to access and digest the starch quickly. This is not about the type of starch, but how it’s physically arranged in the food. For example, a whole baked potato may have a different effect than mashed potato, even if they come from the same source. What we’ve found so far leans toward the idea that choosing starchy foods in their more whole, less processed form — like brown rice instead of white rice, or whole lentils instead of pureed lentil soup — could help manage how your body responds to meals. But we also note that this analysis is based on only two assertions, each with 68 supporting points, and we have not reviewed how this affects long-term health or whether it matters equally for everyone. In everyday terms: if you want to avoid big blood sugar swings after eating starchy foods, try eating them in a form that’s closer to how they grow — whole, unground, or minimally processed.