I have eaten stuff with Stevia, not sure what it is about it though, but it causes my muscles to ache. I can be completely fine, eat something sweetened with S

I have eaten stuff with Stevia, not sure what it is about it though, but it causes my muscles to ache. I can be completely fine, eat something sweetened with Stevia and about an hour or two later my muscles will start aching. It is worst in my shoulders :-(.