ExtendBar®s are low-glycemic, nutritional snack bars, clinically proven to help control blood sugar for up to 9 hours. These high protein, high fiber bars are low fat (0g trans fat) and gluten-free to help control hunger and provide lasting energy. The patented formula gradually converts to blood sugar instead of all at once helping to eliminate blood sugar swings. Eat 2-3 snacks throughout the day. To help prevent overnight lows and/or morning highs eat prior to bed.