Unauthorized charges

I noticed strange charges from a company named LeanRx. I called their toll free number 800-296-2029 several times leaving messages. No one called back. I have 4 withdrawals from my bank account. They took $228 from my account. One charge was made by "XtremeBurn"?! I never heard of this company. Now I am paying fees to my bank  because I had insufficient funds, have to close my checking account, and try to get back my money!