I don't know your symptoms but when you say you can't stop eating, then I wonder if you are low on stomach acid (or enzymes). Let's say that HW does it's job just fine, but the problem is never solved because you always have undigested food in your intestine. I've felt a major difference since taking in betaine hcl capsules but you must make a decision by yourself and not jump on conclusions. I've done that lots of times and done something stupid. The good thing about testing this is that the capsules are very cheap and you can do a pretty simple ''burping'' test for hydrochloridia (too little stomach acid).
Ok, I want to make sure that you understand that your stomach acid may be just fine and not the problem in this case. However, this is a pretty simple thing if you want to find out. For me it took about a week to see a difference (my digestive problems where better but sleepiness stayed and may take more time). I'm not a doctor, and remember that taking too much of hcl can be dangerous and dosage should be increased gradually. You should always consider going to a doctor (even though they are a pain in the ass).