Sara- Even if you do not get physically burned, I think it's best to stay out of tanning beds. I read your post and I wanted to ask: How long did you stick with the dietary + vitamin regime? I'm a firm believer that diet does play a role on your skin, however, I completely understand your frustration. I used to be health nut vegan for quite some time and could not fathom why my skin was not flawless when I was eating only the best foods. So again, even if it takes time, you need to eliminate the root cause of the problem. You said that your acne is coming back...what have you changed during then and now? Maybe you can take a blood test to see which foods you are sensitive/allergic to. For the antibiotic, did you know that garlic is a natural antibiotic? You can ingest raw finely chopped garlic for immense health benefits. (Make sure on a full stomach)