as of today, all doses of mounjaro are available.may experience intermittent delay. americans have been looking for quick ways to slim down since before color tv. from vintage newspaper ads to the age of ininfomercials. advertising dietary supplements like slim fast shakes or specialty diets like atkins. >> i've been living atkins for years. >> reporter: fast forward to 2023, "the real housewives of miami" are taking weight loss shots on screen. >> what's in there? >> it's a fat-burning shot. >> reporter: while ozempic can be really effective for people who are obese, doctors generally don't recommend using them just to shed a few pounds. the long-term side effects aren't really clear yet. the ozempic ads mention risks. >> serious side effects may include pancreatitis, gallbladder problems, nausea, vomiting, diarrhea which may disruption kidneys. >> the side effects are usually mild to moderate. >> reporter: people like callie say this is just a small price to pay. >> i'm not going to say any medication is perfect, and nothing doesn'

eli lilly, the maker of mounjaro said, quote, our priority is making sure mounjaro's available for peopledoes not encourage the off-label use of any of our medicines. mounjaro is expected to be fda approved for weight loss sometime this year. because these drugs work as an appetite suppressant in part doctors say patients may gain the weight back if they stop using it. for some, guys, this might be life-long medication. robin? >> mona, thank you so much. we will bring in dr. jennifer ashton here, we've been talking during mona's piece. what is it about it that helps you lose weight? >> this class of medications, semaglutide is the generic name, works a couple of different ways and it stimulates more insulin activity so insulin works better, more efficiently at processing the glucose and it slows the emptying of your stomach. so it does absolutely kill your appetite. when studied head to head against the other fda-approved weight loss medications, this class is most effective. we've known about this for well over six or seven years right now. one of them wegovy got fda approval for weight