So is brown rice syrup good or bad? You have the choice to be anyone. As with any other sweetener, the most important question is how much are you using.<a href="https://agricoze.com/brown-ric....e-syrup/\">B rice syrup</a> contains glucose and calories just like any other sweetener. Although it can be broken down more slowly than refined sugar, it is still a source of glucose that can affect the risk of type 2 diabetes and obesity.