All weight loss injections work in a similar way, depending on which active ingredient is used (liraglutide, semaglutide, or tirzepatide).

Liraglutide is a GLP-1 (glucagon-like peptide 1) agonist. It attaches to GLP-1 receptors, mimicking the hormone. By doing this, it controls hunger levels so you eat less without feeling hungry throughout the day. It also delays the emptying of your stomach, which helps you feel fuller for longer.

Semaglutide also works by mimicking GLP-1. This affects the parts of your brain responsible for hunger, sending a signal to your brain that you are full. It also controls blood sugar levels, which helps with cravings.

Tirzepatide is a GLP-1 agonist, meaning it works the same way as liraglutide and semaglutide by controlling hunger levels and cravings. It also imitates GIP (glucose-dependent insulinotropic peptide), a hormone released in the small intestine. This can improve how your body breaks down fat and sugars.

es, prescription weight loss medications are safe if you purchase them from reputable sources and use them exactly as they have been prescribed. When you request any weight loss medication from Superdrug Online Doctor, our doctors will make sure it is safe for you to take.

Each of our services is priced differently. There are no hidden charges and if you select delivery, then delivery is free for almost all of our services.
Where Royal Mail Special Delivery is required (for example, for medications that require temperature-controlled delivery) this service is chargeable.

We aim to review all orders within 24 hours. We’ll do our best to help you much faster than that. If you order a test kit we’ll dispatch it the same day or next working day.

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