Weight Loss

July 6, 2026

GLP-1 Weight Loss: What to Know Before You Start

GLP-1 medications like semaglutide and tirzepatide can make weight loss feel possible again. Here is how they work and how to know if a program is right for you.

Dr. Thirumalesh Venkatesh
Dr. Thirumalesh VenkateshMD · Board-Certified in Internal Medicine, Obesity Medicine & Integrative Medicine · Founder & Medical Director · 20+ Years of Experience · Brooklyn, Franklin Square & Melville
GLP-1 auto-injector pen with a measuring tape and healthy food on marble

If you have tried to lose weight and it keeps coming back, you are not weak and you are not failing. Weight is shaped by biology, hormones, and habits, and sometimes it needs medical help. Here is what to know before you start a GLP-1 program.

Why is losing weight so hard for some people?

For many people, hunger and cravings are not just about willpower. Hormones that control appetite can push you to eat more and store fat more easily, especially after past diets. That is why eating less and moving more does not always work on its own.

How do GLP-1 medications work?

GLP-1 medications like semaglutide and tirzepatide copy a hormone your gut makes after eating. They help you feel full sooner, quiet cravings, and slow digestion. The result is that eating less starts to feel natural rather than like a constant fight.

Are GLP-1 medications right for you?

They are not for everyone. A physician reviews your health history, your labs, and your goals before recommending anything. If you have struggled with weight for years or have concerns like prediabetes or insulin resistance, a GLP-1 program may be worth discussing.

What does a medical weight loss program look like?

At Seven Hills, you start with a visit and lab work in Brooklyn, Franklin Square, or Melville. Your dose begins low and rises slowly to limit side effects, and you check in regularly so your plan can be adjusted. Nutrition guidance and support come with it.

How do you keep the weight off?

Losing weight is only half the work. A good program includes a maintenance plan, so once you reach your goal, your physician helps you taper or continue treatment and hold your results. Lasting change comes from the habits you build along the way.

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