GLP-1 medications, personalized nutrition, and medically supervised care — focused on your health, not just your weight.
Advent Weight Loss proudly operates Medi-Weightloss clinics in Elk Grove Village and Algonquin — bringing the nation's leading physician-supervised weight loss program to the Chicago suburbs.
A comprehensive, physician-backed program — not a fad diet, not an app, not an unsupervised prescription.
Semaglutide, tirzepatide, and other proven treatments prescribed and monitored by our medical team. Not a telehealth app — real clinical oversight at every step.
Learn About Our GLP-1 Program →When you eat less, every calorie matters more. Our nutritional counselors build a plan around your macros, your lifestyle, and your health — protecting muscle and bone density.
See Our Nutritional Approach →Our program doesn't end when you reach your goal. We build sustainable habits through ongoing support, so the weight stays off and your health keeps improving.
Explore the Full Program →Weight loss medications like semaglutide and tirzepatide are powerful tools — but without proper nutritional guidance and medical oversight, patients risk serious consequences. Muscle loss. Bone density reduction. Hair loss. Metabolic slowdown. Nutritional deficiencies. These aren't rare side effects — they're what happens when weight loss is unsupervised. At our clinics, our medical team and nutritional counselors ensure you're losing fat, preserving muscle, protecting your long-term health, and building habits that keep the weight off — not just watching a number drop on the scale.
Our nationally recognized program has helped patients lose over 10 million pounds. Watch a quick overview of how the program works, what to expect at your first visit, and why medically supervised weight loss delivers results that last.
Our program now includes the latest GLP-1 medications like semaglutide and tirzepatide alongside the personalized nutrition and medical supervision featured in this overview.
With clinics in Elk Grove Village and Algonquin, expert medical weight loss care is right in your neighborhood.
Explore topics that matter to your weight loss journey.
Success stories from the Medi-Weightloss program nationwide.†

"I joined because of constant pain in my knees and because I want to be able to watch my 3-year-old grandson grow up. Since losing 86 pounds, I'm able to walk 10,000 steps a day!"

"I wasn't feeling the same anymore and deep down knew something was wrong. Medi-Weightloss changed my life and my family's life."

"Making the phone call changed my life in every single way. I was dealing with depression, chronic fatigue, and high blood pressure. The program sparked a fire in me."