You've seen the infomercials and you've gotten the spam... miracle weight loss in a pill. When it comes to weight loss (actually, when it comes to almost anything in life) if it seems too good to be true, it probably is.

FitSugar gives us the skinny on some of those weight loss supplements. Some of the components in the pills can actually be detrimental to your health. The list of red flag components includes ma huang, bitter orange, guarana, synephrine HCI, caffeine anhydrous, and more.

For long-lasting, healthy weight loss your best bet is eating well and working out. Check out AOL Body's America Takes It Off for tips. The proof is in the low-fat pudding, people. So far, ATIO participants have lost 155 pounds and counting.