How these medications work
Semaglutide and Tirzepatide belong to a class known as incretin therapies. They work with your body's own appetite and metabolic signaling rather than against it, which is part of why they have changed the clinical picture for so many people.
These medications act on receptors in regions of the brain that regulate hunger and fullness. They also slow how quickly the stomach empties after a meal. The combined effect is that you feel satisfied sooner, stay satisfied longer, and experience fewer of the cravings that make sustained change so difficult through diet alone.
Compounded Semaglutide
A GLP-1 receptor agonist. It mimics a naturally occurring gut hormone that signals fullness to the brain and moderates appetite, helping reduce overall food intake.
Compounded Tirzepatide
A dual receptor agonist acting on both GLP-1 and GIP pathways. By engaging two complementary signaling systems, it broadens the metabolic effect on appetite and energy balance.
Which one is right for you
This is a clinical decision, not a menu choice. The physician reviewing your case weighs your health history, your goals, your tolerance, and your response over time. What suits one person may not suit another, and your plan can be adjusted as your body responds.
Both medications are typically started at a low dose and increased gradually. This titration approach gives your body time to adapt and helps reduce the likelihood and intensity of side effects. Your provider sets the schedule that fits you.
WHAT TO EXPECT
Weekly injections, made simple.
A small, simple injection
Most GLP-1 medications are given as a subcutaneous injection, meaning just under the skin into the fatty tissue. The needle is short and fine, and most people describe little more than a quick pinch.
Common injection areas
The abdomen, the front of the thigh, and the back of the upper arm are typical areas. Your provider will confirm what is right for you and your medication.
Rotate your site each week
Using a slightly different spot each week helps keep the skin comfortable and healthy. A simple habit, like alternating sides, makes it easy to remember.
You are never on your own
Your care team provides clear instructions with your medication and is available for your questions. We want you to feel confident and supported.
This is general information, not medical advice. Always follow the specific instructions provided by your licensed provider and the medication itself.
Side effects and how they are managed
Because these medications slow digestion, the most common side effects are gastrointestinal. For most people they are mild to moderate and tend to ease as the body adjusts, particularly when dosing is increased gradually under physician guidance.
Common, usually temporary
Nausea, reduced appetite, mild digestive changes, or feeling full quickly. These are most noticeable early and often settle with time and careful titration.
Worth reporting
Persistent or severe symptoms should always be discussed with your care team. Your provider can adjust your dose or approach rather than leaving you to push through.
Managed through support
Your plan is not set in stone. Ongoing physician access means side effects are something your care team helps you navigate, not something you face alone.
These medications are prepared by a licensed compounding pharmacy and require a valid prescription from a licensed provider. They are not appropriate for everyone, which is exactly why a physician reviews your individual case before anything is prescribed.
Honest context on what these medications are
These are powerful clinical tools, and the most responsible way to use them is with clear expectations. They are not a quick fix, and they work best as part of an approach that includes nutrition and movement. They typically require continued use to maintain their effect, and discontinuation can lead to changes that your physician will discuss with you.
KERNX believes you should understand your treatment as well as your provider does. The more you know about how these medications work and what they ask of you, the better positioned you are to use them successfully.
Pharmacy fulfillment: Prescriptions are fulfilled through the licensed dispensing pharmacy identified in your treatment and fulfillment information. The dispensing pharmacy is identified in your treatment and fulfillment information.
