Do synthetic sweeteners have high glycemic indexes? Artificial sweeteners have low glycemic indexes (0) simply because they don’t include carbs or sugar. A serving of turbinado sugar has only sugars; there isn't any fibre or starch. Turbinado sugar incorporates a glycemic load of 3, which is fairly small. Palm sugar https://augustajlid.wikigiogio.com/1091330/turbinado_sugar_turbinado_sugar_glycemic_index_black_bull_energy_drink