There would be none: "..but cannot be used by living organisms as a source of energy because it cannot be phosphorylated by hexokinase, the first enzyme in the

There would be none: "..but cannot be used by living organisms as a source of energy because it cannot be phosphorylated by hexokinase, the first enzyme in the glycolysis pathway. " https://en.wikipedia.org/wiki/L-Glucose https://en.wikipedia.org/wiki/L-Glucose EDIT: Ok, yeah, sorry. I'm sure some bacteria out there could do something with it and make you have an upset stomach. But it's not very likely.