smart baking company smartbuns, gluten free, sugar free and carb free buns (sesame) smartbun go beyond gluten free with smartbuns. these delicious fluffy buns are just what your burger has been waiting for. the best keto bun on the market, smartbuns are free of gluten, sugar, and starch, while still managing to taste great! the right bun really can be healthy. it is not just what is not in the smartbun, it is what is in it that also makes it unique. 9 grams of high quality protein, 11 grams of insoluble fiber, omega 3 and potassium make this an unbeatable bun for carb cravings and good health. delivered fresh, smartbuns are easily frozen and last up to 365 days in the freezer! keep your carbs in check with keto-friendly, diabetic-friendly, zero sugar, zero carb, healthy, wholesome smartbuns. get smart with your food.