/b/sixpacksmackdown/posts/what-is-betaine-hcl-know-your-pre-workout-ingredientsBetaine HCL is an ingredient I have been seeing pop up in some newer pre workout supplements recently. Let's take a look at what is Betaine HCL so we know what we're putting into our bodies. What is Betaine HCL? Betaine HCL is a chemical subs...en-USTelligent Community 11 Non-Production