Medical Weight Loss
Medically supervised weight loss with GLP-1 injections, semaglutide, tirzepatide, and personalized peptide protocols. Every program is built around your labs, your goals, and your biology — not a one-size-fits-all template. Serving Naperville, Downers Grove, Wheaton, Bolingbrook & the Chicago suburbs.
Book a Free ConsultWhat Is Medical Weight Loss?
Medical weight loss combines FDA-approved GLP-1 medications like semaglutide, tirzepatide with personalized dosing, lab work, and ongoing adjustments. Built to work with your biology, support sustainable fat loss, and protect lean muscle along the way.
At our Lisle clinic, every program starts with a 3D body composition scan and a provider consult, then tailors the protocol to your goal, whether that’s losing 50+, cutting 15, recomposing, or maintaining. We see clients from across the Chicago suburbs: Naperville, Downers Grove, Wheaton, Bolingbrook, Lombard.
Medical Weight Loss & GLP-1 Programs
Custom GLP-1 Protocol
from $295/moMembers save 20%
Tailored dosing and medication based on your labs, goals, and response.
2-50mg • Ongoing weekly
GLP-1 receptor agonist for appetite control, weight management, and metabolic health.
5-120mg • Ongoing weekly
Dual GIP/GLP-1 agonist for powerful weight loss, blood sugar control, and satiety.
10-60mg • Ongoing weekly
Triple-agonist GLP-1/GIP/glucagon peptide for significant weight loss and metabolic reset.
6mg • 12 wks on / 4-8 wks off
Fat-burning fragment of growth hormone for targeted fat loss without muscle impact.
10mg • Ongoing weekly
Amylin analog for appetite suppression and enhanced weight loss when paired with GLP-1s.
6mg • Ongoing weekly
Dual glucagon/GLP-1 agonist for fat reduction, liver health, and metabolic improvement.
Pricing is discussed during your consultation. Every protocol is built around your labs, goals, and lifestyle.
This Isn't a Run-of-the-Mill Online Program
We do the legwork so you don't have to. Every peptide protocol at Defiant is medically supervised, data-driven, and built entirely around your biology.
3D Body Scan
Full composition analysis every 4 weeks to track real progress — not guesswork.
Weekly Nurse Check-Ins
Dedicated support to monitor symptoms, side effects, and progress every week.
Titrations as Needed
Dosing adjusted in real-time based on your labs, response, and how you feel.
Personalized Care
Tailored to your lifestyle, your schedule, and your goals. Healthcare that works around you.