What is GLP-1 medication and what is it used for?

GLP-1 medication is a group of medicines that work via the glucagon-like peptide-1 hormone, a substance that occurs naturally in the body and plays a role in the regulation of blood sugar and satiety. This medication is prescribed for type 2 diabetes and, following medical assessment, is increasingly being used for overweight and obesity. This article answers the most frequently asked questions about GLP-1 medication, from how it works to side effects and who may be eligible for it.

How does GLP-1 medication work in the body?

GLP-1 medication mimics the action of the hormone glucagon-like peptide-1, which is naturally released after eating. The active ingredients in these medicines bind to GLP-1 receptors in the body, which increases insulin release, decreases glucagon production and slows down gastric emptying. This combined effect leads to a more stable blood sugar level and a longer-lasting feeling of fullness.

Delayed gastric emptying is an important part of how GLP-1 works. Because food leaves the stomach more slowly, blood sugar rises less rapidly after a meal. At the same time, GLP-1 medication acts on brain regions involved in hunger and appetite, causing people to have less desire to eat. This makes the GLP-1 receptor agonist unique compared to many other treatments: its effect is not only metabolic, but also central neurological.

Because the body also produces GLP-1 itself, but in limited amounts and for a short duration, synthetic GLP-1 receptor agonists provide a longer-lasting and stronger effect than the body can produce on its own.

For which conditions is GLP-1 medication prescribed?

GLP-1 medication is primarily prescribed for type 2 diabetes, where it helps to regulate blood sugar levels. In addition, following medical assessment, it is used in people who are overweight or obese, where GLP-1 weight loss when the treatment goal is central. In some cases, it is also considered in people with an increased cardiovascular risk.

Efforts in weight loss have grown significantly in recent years. Research has shown that GLP-1 receptor agonists can contribute to significant weight reduction in people with obesity, even without diabetes. This has led to broader approval of certain active substances specifically for weight management, alongside their original application for diabetes.

It is important to emphasise that GLP-1 medication is always prescribed on medical grounds. A doctor assesses on an individual basis whether the treatment is appropriate and safe, based on health history, weight, blood sugar levels and other relevant factors.

What are well-known examples of GLP-1 medication?

The best-known active substances within GLP-1 medication are semaglutide and liraglutide. Both are GLP-1 receptor agonists that are available on prescription and are assessed by a doctor before being prescribed. They differ, among other things, in their method of administration, dosing frequency and the specific indications for which they have been approved.

Semaglutide

Semaglutide is a GLP-1 receptor agonist that is available as an injection and, in some countries, as a tablet. It is administered once a week. Semaglutide is approved for both the treatment of type 2 diabetes and for weight management in obesity, depending on the dosage and the specific preparation.

Liraglutide

Liraglutide is a daily injection and belongs to the older generation of GLP-1 medication. It is also used for type 2 diabetes and weight management. Liraglutide has a shorter half-life than semaglutide, which explains the daily administration. Both substances have a comparable mechanism of action, but differ in practical use and effect profile.

What are the most common side effects of GLP-1 medication?

The most common GLP-1 side effects are gastrointestinal symptoms, including nausea, vomiting, diarrhoea and constipation. These symptoms mainly occur at the start of treatment or after a dose increase, and subside for many people as the body gets used to the medication. Serious side effects are rarer but possible, and always require consultation with a doctor.

In addition to gastrointestinal symptoms, other side effects may occur:

• Reduced appetite, which sometimes leads to inadequate nutrient intake
• Fatigue, particularly in the initial phase
• Headache
• Injection site reactions to injectable formulations
• In rare cases: inflammation of the pancreas (pancreatitis)

Because GLP-1 side effects can vary greatly from person to person, guidance from a doctor throughout the treatment process is essential. People with certain conditions, such as a history of thyroid cancer or pancreatitis, may not be eligible for this treatment.

Who is eligible for GLP-1 medication?

Whether someone is eligible for GLP-1 medication is assessed on an individual basis by a doctor. In general, GLP-1 medication is considered for people with type 2 diabetes who do not benefit sufficiently from other treatments, and for people with obesity or severe overweight where other methods have not yielded sufficient results. There are no universal criteria that apply to everyone.

During the assessment, a doctor looks at, among other things:

• Body mass index (BMI) and weight history
• Presence of type 2 diabetes or other metabolic disorders
• Cardiovascular risk factors
• Current medication and potential interactions
• Contra-indications, such as certain thyroid disorders or a history of pancreatitis

Not everyone who has GLP-1 weight loss as a goal automatically qualifies. The medical assessment is a necessary step to determine whether the treatment is safe and appropriate for the individual's specific situation.

How does GLP-1 medication differ from traditional weight-loss drugs?

GLP-1 medication differs fundamentally from traditional weight-loss products in that it works via a hormonal mechanism that is naturally present in the body. Traditional weight-loss products often work via fat-absorption inhibitors, stimulants or water drainage, without a direct influence on the hunger and satiety signals in the brain. GLP-1 receptor agonists act on multiple systems simultaneously: insulin regulation, gastric emptying and appetite control.

Another key difference is the medical context. GLP-1 medication is prescription-only and is only prescribed following an individual assessment by a doctor. Many traditional weight-loss products are available over-the-counter and are used without medical supervision. This difference in oversight has a direct impact on safety and the quality of guidance throughout the process.

In addition, the duration of action differs. GLP-1 medication is administered weekly or daily as part of a longer treatment plan, whereas traditional remedies are often used as a short-term course. Results from GLP-1 treatment generally depend on consistent intake combined with lifestyle adjustments, and vary per person.

How does Wellumo help with GLP-1 treatment

Wellumo makes it possible to start a medically supervised treatment programme for GLP-1 medication online, without the need for a visit to a physical clinic. The process takes place via a careful intake procedure in which a GMC-registered doctor assesses the application individually. Only after approval is a prescription issued and forwarded to the partner pharmacy.

What Wellumo offers:

• A medical questionnaire as the basis for the doctor’s assessment
• Assessment by a BIG-registered doctor within 24 hours on weekdays
• Transparent pricing information beforehand, with no hidden costs
• Discreet shipping of medication after pharmacy approval
• Optional subscription for repeat deliveries
• Support throughout the entire course of treatment

Not everyone is eligible. The doctor assesses on a case-by-case basis whether treatment is medically justifiable. Would you like to know if GLP-1 medication could be suitable for your situation? Then start the Medical intake at Wellumo, or view how the trajectory works before you make a decision. If you have any questions, you can also Contact us with the team.