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Kyle Richards is setting the record straight about how she obtained her toned body ... saying she's never used the diabetes drug Ozempic, instead, she's putting the work in herself.

The "Real Housewives of Beverly Hills" star says she's never even tried the drug, when it comes to her astounding weight loss results ... claiming, she couldn't bring herself to do it if she wanted.

She told Page 6, “I’m not on any weight loss drug. If you know me, you know I have terrible anxiety so that would scare me to death. I have never, ever ever taken it.”

ICYMI, Kyle has been posting away and showing off her toned body on social media the last few months ... prompting fans to speculate she might have taken the drug, to achieve her slim body -- just as some other celebs and 'Bravo' stars have admitted to doing.

On the other hand, Kyle has voiced her frustration with these rumors, maintaining she's done it all herself by changing her lifestyle and habits ... and now we have a better idea of how she got started.

Kyle says her new bod is homemade, thanks to grueling workouts with her personal trainer Cory Gregory, whom she met through singer Morgan Wade.

BTW, some of the dietary changes include cutting out alcohol, sugar, pizza and carbs.

The use of Ozempic for weight loss has become widely popular across the U.S. and has even caused shortages of the drug for those who have Type 2 diabetes ... despite some experts warning against it.

Jillian Michaels is not a fan of the latest weight loss trend -- celebs and millions of non-celebs using diabetes meds to slim down -- and she says actual data proves it's just not worth the risk.

The fitness guru joined "TMZ Live" Wednesday and shared concerns about the diabetes drug Semaglutide -- sold as brands like Wegovy and Ozempic -- which got FDA approval in 2021 for "chronic weight management" in adults with weight-related health conditions.

Jillian tells us the injectable drug has significant side effects ranging from typical to severe ... including thyroid cancer, kidney issues and pancreatitis.

Set aside, for just a moment, the fact the diet craze  -- which folks like Chelsea Handler, Elon Musk and Michael Rubin have copped to joining -- is making it harder for diabetes patients to fill potentially lifesaving prescriptions.

But, JM says the drugs don't actually help folks achieve significant weight loss goals. She adds, the real kicker is one study shows some users regained nearly 70% of the weight they'd lost by taking the drug.

Ultimately, Jillian says you can reach achieve much more effective, long-lasting weight loss by getting active and making better dietary choices.