Aug 30, 2026 Understanding the Science: How GLP-1 Works
I cover 8 ESSENTIAL things you need to know BEFORE STARTING GLP1 medications like semaglutide or tirzepatide (Ozempic/Mounjaro) for weight loss without watching this first! I'm Dr G., an internal medicine physician in Hollywood Florida, and I specialize in lifestyle modification coaching and patient education. FREE TDEE Calculator👉https://www.fcmaesthetics.com/tdee 1:1 Consultation with Dr. G👉https://www.floridaconciergemed.com/ GLP-1 Meal Plan Delivery👉https://trifectanutrition.llbyf9.net/9g4vXe Use Code "DRGLP1" for 40% OFF Your First Order! Dr. Gerard Acloque Jr., MD Hollywood, FL #weightloss #glp1 #glp1forweightloss #semaglutide #tirzepatide Some of the links in this description are affiliate links, which means I may earn a small commission if you make a purchase through them, at no extra cost to you. References 1. Wilding, J. P., Batterham, R. L., Calanna, S., Davies, M., Van Gaal, L. F., Lingvay, I., ... & Lau, D. C. (2021). Once-weekly semaglutide in adults with overweight or obesity. *New England Journal of Medicine*, 384(11), 989-1002. 2. Wadden, T. A., Bailey, T. S., Billings, L. K., Davies, M., Frias, J. P., Koroleva, A., ... & Lingvay, I. (2019). Effect of subcutaneous semaglutide on body weight in patients with obesity: The STEP 1 randomized clinical trial. *Obesity Reviews*, 20(12), 1997-2018. 3. Davies, M. J., Bergenstal, R., Bode, B., Kushner, R. F., Lewin, A., Skjøth, T. V., ... & Pedersen, S. D. (2015). Efficacy of liraglutide for weight loss among patients with type 2 diabetes: The SCALE diabetes randomized clinical trial. *JAMA*, 314(7), 687-699. 4. Holst, J. J. (2019). The physiology of glucagon-like peptide 1. *Physiological Reviews*, 97(2), 725-738. 5. Kushner, R. F., & Kahan, S. (2018). Introduction: The state of obesity in 2018. *Medical Clinics*, 102(1), 1-11. 6. Ryan, D. H., Lingvay, I., Colhoun, H. M., Deanfield, J., García-Pérez, L. E., Jodar, E., ... & Cosentino, F. (2021). Role of obesity in cardiovascular disease. *European Heart Journal Supplements*, 23(Supplement B), B45-B54. 7. Rubino, D., Abrahamsson, N., Davies, M., Hesse, D., Greenway, F. L., Jensen, C., ... & Van Gaal, L. (2021). Effect of continued weekly subcutaneous semaglutide on weight loss in adults with obesity: The STEP 1 trial extension. *The Lancet*, 397(10277), 2146-2155. This channel (Florida Concierge Medicine & Wellness/Dr. Gerard Acloque), its content, and the opinions expressed by Dr. G are intended for informational purposes only and do not constitute medical advice. The content provided on this channel, including videos, comments, and other materials, is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified and trusted health provider with any questions you may have regarding any medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or read on this channel. Reliance on any information provided by this channel is solely at your own risk.
When we discuss weight management, the focus isn't just on the drug itself, but on how it interacts with the body's hormonal and metabolic systems.
The Incretin Effect and Appetite Regulation
The core action of GLP-1 agonists is their ability to mimic the natural incretin effect. This mechanism works on several fronts:
- Glucose Control: They stimulate the pancreas to release insulin when blood sugar is elevated, while simultaneously suppressing the release of glucagon (a hormone that raises blood sugar). This precise control makes them highly beneficial for individuals with insulin resistance or Type 2 diabetes.
- Satiety Signal: Perhaps the most significant benefit for weight loss is the profound impact on appetite. GLP-1 receptors are located throughout the gut, brain, and pituitary gland. When these receptors are stimulated, they send powerful signals of fullness (satiety) to the brain, effectively telling the body that it has had enough. This mechanism directly addresses the core struggle of weight loss: overeating.
- Gastric Emptying: Many GLP-1 medications also slow down the rate at which the stomach empties its contents. This prolonged feeling of fullness means that the patient feels satisfied for longer periods, naturally reducing the urge to snack or graze.
The Role of Metabolism in Weight Loss
Weight loss is rarely just about calories in versus calories out; it is a complex interplay of hormones, metabolism, and behavioral changes. By modulating the gut hormones, GLP-1 for weight loss does more than just suppress hunger—it helps normalize the metabolic environment, often making it easier for the body to utilize stored energy.
