The doctor-led guide to weight loss

Clear, compassionate articles on GLP-1s, safety, side-effects, nutrition, and real-world progress—reviewed by UK-registered clinicians.

Muscle vs. fat on a weight scale
Does Muscle Weigh More Than Fat?

A kilo is a kilo — but muscle is denser than fat, so it takes less space. heySlim's clinical team explains what really matters for body composition.

May 27, 2026 Weight Loss
Where to inject Mounjaro
Mounjaro Injection Sites: A UK Guide to Where & How

A UK pharmacist-reviewed guide to the three approved Mounjaro injection sites — where to inject, how to rotate, and what works best.

May 26, 2026 Medication
Fatty Liver Face Blog Cover
Fatty Liver Face: Signs, Causes & What to Do (UK)

Could your face be showing signs of fatty liver disease? A UK doctor-led guide to the skin changes that may signal MASLD, NAFLD and what to do next.

May 24, 2026 Weight Loss
Blog cover for what does Retatrutide do
What Does Retatrutide Do? How the Triple-Agonist Works

Retatrutide is an investigational triple-agonist that targets GLP-1, GIP and glucagon. Here's what it does to appetite, weight and blood sugar.

May 22, 2026 Medication
British Flag on a Historic Building
Wegovy Price UK (2026): What You'll Actually Pay by Provider

Wegovy price UK 2026: private prices range from £149–£299 per month. Full breakdown by dose, NHS access, and what's actually included in your plan.

May 21, 2026 Medication
CJC-1295 Blog Cover
CJC-1295, Ipamorelin & Retatrutide: A UK Safety Guide

What CJC-1295, ipamorelin and retatrutide actually do, the safety risks of unregulated peptides in the UK, and the licensed alternatives that work.

May 20, 2026 Medication