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Can I Switch to a Different GLP1? The Full Guide

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Mounjaro prices are soaring, and many prescribers suggest Ozempic instead. But switching isn’t as simple as picking up a new pen. Here’s what to know first.

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Staying On Track

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Nick M

6 Oct 2025

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Left to right, 5 Wegovy pens, starting from the lowest 0.5mg dose up to the highest 2.4mg dose
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UK Mounjaro Prices by Dose (October 2025 Update)

Mounjaro prices by dose in the UK, October 2025. Lowest prices revealed, plus a note on one short-term promotion.

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UK Wegovy Price Comparison: Top 10 Providers (October 2025)

Top 10 cheapest Wegovy providers this month, plus the best October deals.

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Nick M

6 Oct 2025

Price Comparison

October 2025: Wegovy 0.25mg from £80: See all doses and Trustpilot scores in this month’s update.

Price Comparison

October 2025: Mounjaro 2.5mg starts at £125. Top offer is holding prices until Oct 31, likely to rise after.

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Top 10 cheapest Wegovy providers revealed for October 2025.

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Starting Out

Thinking about GLP-1s? Already ordered your first pen? This section is for the early days. Questions, nerves, excitement and all. Start here if you're figuring it out as you go.

Close-up of multiple GLP-1 injection pens with purple caps and measurement markings, symbolising different starting doses of Ozempic.

I'm Just About to Start

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What Dose Will I Start on if I Switch from Mounjaro to Ozempic?
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4 Sept 2025

Switching doses isn’t always straightforward, and online promises don’t always reflect what prescribers actually do.

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Man in a white t-shirt holding his stomach, showing digestive discomfort linked to GLP-1 side effects

My First Weeks

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When Burping on GLP-1s Is Normal and When to Call Your Prescriber
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Nick Mitchell

26 Aug 2025

How to tell if burping on GLP-1s is harmless or a red flag.

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My First Weeks

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Does Alcohol Slow Your Weight Loss on GLP-1s?
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12 Aug 2025

How alcohol can affect weight loss while taking GLP-1s.

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Person standing at a starting line, symbolising the beginning of a GLP-1 journey with Ozempic or Mounjaro

I'm Thinking About It

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GLP-1 Dos and Don’ts From Day One on Mounjaro and Ozempic
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Nick Mitchell

7 Aug 2025

Your essential dos and don'ts for the first week on Ozempic or Mounjaro.

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A close-up of GLP-1 medication pens with varying dose labels, representing titration steps for Ozempic and Mounjaro.

My First Weeks

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Smaller Doses, Real Results: Why Going Up in GLP-1 Doses Isn’t Always Needed
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6 Aug 2025

You don’t always need the max dose. Here’s what the data and real users are telling us.

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When Will the Weight Loss Start?

My First Weeks

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When Will the Weight Loss Start?
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1 Jul 2025

Wondering when the weight loss actually starts? Let’s talk timelines, expectations, and what really happens in the first weeks.

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What If I Don’t Feel Any Different on ozempic?

My First Weeks

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What If I Don’t Feel Any Different?
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30 Jun 2025

Not feeling any different yet? Here’s why that’s normal, and what to look for instead.

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What the MHRA Actually Says About Weight-Loss Injections in the UK

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What the MHRA Actually Says About Weight-Loss Injections in the UK
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26 Jun 2025

What the UK’s medicine regulator actually says about weight-loss jabs, straight from the source.

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Common Side Effects in Week 1, and What’s Normal

My First Weeks

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Common Side Effects in Week One & What’s Normal
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26 Jun 2025

Burps? Bloating? Or… nothing at all? Here’s what side effects really show up in Week 1

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How to Store and Handle Your Ozempic Pen Properly

I'm Just About to Start

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How to Store and Handle Your Pen Properly
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26 Jun 2025

Storing your GLP-1 pen wrong could ruin it. Here’s how to keep it safe

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What You’ll Need to Get Started

I'm Just About to Start

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What You’ll Need to Get Started
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Nick Mitchell

25 Jun 2025

Got your first GLP-1 pen? Here’s what to know before you jab, and what most people don’t realise until afterwards.

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Is "Food Noise" Actually Real?

I'm Thinking About It

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Is "Food Noise" Actually Real?
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Nick Mitchell

23 Jun 2025

That constant mental chatter about food? It has a name. And quieting it might be the biggest shift of all.

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How Do Weight Loss Medications Actually Work?

I'm Thinking About It

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How Do Weight Loss Medications Actually Work?
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Nick Mitchell

23 Jun 2025

GLP-1 meds mimic natural hunger hormones to help you feel fuller, faster, and support long-term weight loss.

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Are weight loss jabs right for me?

I'm Thinking About It

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Are Weight Loss Jabs Right for Me?
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The Pen Hub Team

23 Jun 2025

Not sure if GLP-1 meds like Mounjaro or Ozempic are right for you? Here's what actually qualifies and what to avoid.

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What to Know Before Your First GLP-1 Jab: A Real-World Guide for First-Timers

I'm Just About to Start

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What to Know Before Your First GLP-1 Jab: A Real-World Guide for First-Timers
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20 Jun 2025

Nervous about your first jab? Totally normal. Here's what to expect.

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What’s the Difference Between Ozempic and Mounjaro

I'm Thinking About It

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What’s the Difference Between Ozempic and Mounjaro?
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19 Jun 2025

Both are GLP-1s, but they’re not the same. We break down how they compare and why it matters.

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Staying On Track

You're in it now and things can shift fast. Side effects, dose changes, wondering if it’s still working... this is where we keep it real through the ups and downs.

Blue and white pharmacy prescription bag with a green medical cross, symbolising prescribed GLP-1 medication.

On It Long Term

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Is It Safe to Swap Between GLP-1s? Here’s the Truth
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Nick Mitchell

4 Sept 2025

It’s safe to switch between GLP-1s with prescriber guidance, but there’s no single rulebook on how it’s done.

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Man wearing glasses holding his forehead in discomfort, symbolising headaches as a possible side effect of Mounjaro or Ozempic.

Side Effects

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Mounjaro vs Ozempic Side Effects: What Users Report
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4 Sept 2025

The side effects overlap, but the real-world experience of Mounjaro and Ozempic isn’t identical.

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Young woman in an orange jumper with a thoughtful expression, representing curiosity about the differences between Ozempic and Mounjaro.

On It Long Term

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Is Ozempic the Same as Mounjaro? What’s Actually Different
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Ozempic and Mounjaro may sound similar, but their differences matter when it comes to appetite, tolerance, and progress.

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Wooden blocks with black arrows and a question mark arranged on a blue and yellow background, symbolising decision-making and change.

On It Long Term

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Can I Switch to a Different GLP1? The Full Guide
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Nick Mitchell

2 Sept 2025

With Mounjaro costs rising, many prescribers are moving patients to Ozempic. Here’s what switching really involves.

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Side Effects

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7 Quick Fixes for Sulfur Burps on Mounjaro and Ozempic
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26 Aug 2025

Simple tricks GLP-1 users say help reduce eggy sulfur burps.

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Woman covering her mouth with green gas effect to illustrate sulfur burps on GLP-1 medications

Side Effects

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What Sulfur Burps Actually Are (and Why They Smell Like Eggs)
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Nick Mitchell

26 Aug 2025

What sulfur burps are, why they smell like eggs, and what it means on GLP-1s.

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Side Effects

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What Happens If You Drink the Day After Your Jab?
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Nick Mitchell

12 Aug 2025

Why drinking the day after a GLP-1 jab can still feel different.

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Person covering their mouth mid-burp, representing a common side effect of Mounjaro and Ozempic

Side Effects

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Why Am I Burping on Mounjaro or Ozempic? Here’s What We Know
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Nick Mitchell

11 Aug 2025

Why GLP-1 meds like Mounjaro and Ozempic can cause burps, and what’s still a mystery.

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How Do I Know When It’s Time to Stop Taking GLP-1s?

Coming Off It

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How Do I Know When It’s Time to Stop Taking GLP-1s?
Written by the pen hub editorial team

The Pen Hub Team

17 Jul 2025

Wondering if you’re ready to stop taking your GLP-1? Here’s how to know, and what to expect when the support wears off.

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Will I Regain Weight After Stopping GLP-1s?

Coming Off It

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Will I Regain Weight After Stopping GLP-1s?
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10 Jul 2025

Will you regain weight after stopping GLP-1s? Here’s what to know.

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The Emotional Side of Stopping Weight Loss Jabs: Guilt, Fear, and Identity

Coming Off It

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The Emotional Side of Stopping Weight Loss Jabs: Guilt, Fear, and Identity
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Nick Mitchell

10 Jul 2025

Thinking about stopping your GLP-1? Let’s talk honestly about the emotional side of coming off it.

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Can You Stop Taking a GLP-1 Suddenly?

Coming Off It

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Can You Stop Taking a GLP-1 Suddenly?
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The Pen Hub Team

10 Jul 2025

Thinking about stopping Mounjaro? Here's what happens if you quit suddenly.

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What to Do If You Feel Nauseous All Day on Mounjaro (or Other GLP-1 Medications)

Side Effects

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What to Do If You Feel Nauseous All Day on Mounjaro (or Other GLP-1 Medications)
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10 Jul 2025

Feeling queasy on Mounjaro? Discover why it happens and practical ways to make it easier.

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Is This Normal? When to Worry and When to Wait on GLP-1s

Side Effects

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Is This Normal? When to Worry and When to Wait on GLP-1s
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7 Jul 2025

Worried that side effect isn’t normal? Here's what is fine to ride out, and what needs a call to your prescriber.

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Can I Drink Alcohol on Mounjaro? Honest Answers for Real Life

On It Long Term

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Can I Drink Alcohol on Mounjaro? Honest Answers for Real Life
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Nick Mitchell

7 Jul 2025

Wondering if you can drink on Mounjaro? Here’s the honest answer.

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The Most Common Weight Loss Jab Side Effects (and why they happen)

Side Effects

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The Most Common Weight Loss Jab Side Effects (and why they happen)
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4 Jul 2025

Side effects on Ozempic, Wegovy, or Mounjaro? Here’s what’s normal and why it happens.

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Signs You May Need a Dose Adjustment on Your GLP-1 (Ozempic, Wegovy, Mounjaro)

On It Long Term

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Signs You May Need a Dose Adjustment on Your GLP-1
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2 Jul 2025

Wondering if your GLP-1 dose is right? Here’s how to spot the signs it might need adjusting.

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What to Do If You Miss Your GLP-1 Dose (Ozempic, Wegovy, Mounjaro)

On It Long Term

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What to Do If You Miss Your GLP-1 Dose (Ozempic, Wegovy, Mounjaro)
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2 Jul 2025

Missed your GLP-1 injection? Here’s how to handle it calmly and get back on track.

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How Long Can You Stay on Ozempic

On It Long Term

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How Long Can You Stay on a GLP-1?
Written by the pen hub editorial team

The Pen Hub Team

1 Jul 2025

Thinking about how long you’ll need your GLP-1? Here’s what to know before you plan ahead.

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Tuning In

When your body changes, everything else is going to change too. This is where we talk food, habits, headspace... and how to make it all feel like yours again.

Sulfur-rich foods like broccoli, cauliflower, eggs, prawns, and red meat arranged with a sulfur element card

Food & Nutrition

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Foods That Can Make Burping Worse on GLP-1s
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26 Aug 2025

From onions to fizzy drinks, here’s what might make things worse and how to spot your own triggers.

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Lifestyle & Mindset

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Social Drinking on Mounjaro: How to Avoid the Side Effects
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Nick Mitchell

12 Aug 2025

Smart tips to avoid side effects when drinking socially on Mounjaro.

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Food & Nutrition

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Alcohol and GLP-1s: Why Some Drinks Feel Worse Than Others
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The Pen Hub Team

12 Aug 2025

Why alcohol feels different on GLP-1s, and how to handle it.

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Foods That Can Worsen Side Effects From Weight Loss Jabs

Food & Nutrition

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Foods That Can Worsen the Side Effects of Weight Loss Jabs
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21 Jul 2025

Some foods can make GLP-1 side effects worse, but not eating enough might be the real issue.

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What to Eat on GLP-1s: The Basics

Food & Nutrition

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What to Eat on GLP-1s: The Basics
Written by the pen hub editorial team

The Pen Hub Team

21 Jul 2025

When you can only manage a few bites, what you eat really matters. Here’s how to make those bites count.

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Tracking Progress Beyond the Scale on weight loss injections

Lifestyle & Mindset

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Tracking Progress Beyond the Scale
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18 Jul 2025

The scale is just one tiny part of the picture. Here are the real signs of progress that matter, and they’re probably already happening.

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“You Look So Skinny!”: What No One Tells You About Body Image on GLP-1s

Lifestyle & Mindset

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“You Look So Skinny!” What No One Tells You About Body Image on GLP-1s
Photo of Nick Mitchell, founder of Pen Hub

Nick Mitchell

18 Jul 2025

What happens when your body changes faster than your mind can catch up? The body image side of GLP-1s is real and rarely talked about.

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3 Habits Worth Locking In While You’re on GLP-1s

Lifestyle & Mindset

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3 Habits Worth Locking In While You’re on GLP-1s
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Nick Mitchell

17 Jul 2025

Three real habits worth locking in while the GLP-1 window is open, plus one powerful message to send your future self.

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GLP-1 News

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Wegovy 7.2 mg: The Next Step Dose That Could Change the Game
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15 Sept 2025

White medicine tablets spilling from a bottle onto a bright blue background, symbolising the new oral GLP-1 pill option.

GLP-1 News

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Lilly’s Weight-Loss Pill Could Reach UK by 2026
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Nick M

10 Sept 2025

The NHS logo, representing the national health service in the UK

GLP-1 News

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Less Than Half of England Has NHS Access to Mounjaro
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Nick M

5 Sept 2025

A pharmacist speaking with a customer across the counter while others wait in line inside a busy UK pharmacy.

GLP-1 News

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Mounjaro Marketing Gone Rogue? Regulator Steps In to Protect Patients
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Nick M

3 Sept 2025

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GLP-1 News

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Wegovy Cuts Heart Risk by 57%, Outperforming Mounjaro in New Real-World Study
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Nick M

1 Sept 2025

Mounjaro KwikPen injection pen lying across a £20 Bank of England note, representing the price increase of the drug in the UK.

GLP-1 News

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Mounjaro Prices Frozen in the UK, Despite Eli Lilly’s Big Hike
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Nick M

29 Aug 2025

Mounjaro pen used for weekly weight-loss injections in the UK

GLP-1 News

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Mounjaro Prices Are Going Up in the UK, and Supply Has Just Been Paused
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Nick M

29 Aug 2025

Doctor reviewing patient notes during a GLP-1 consultation

GLP-1 News

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Experts Call for One-Year Support Plan After Ozempic and Mounjaro
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Nick M

5 Aug 2025

59,000 Facebook Posts Reveal the Real Side Effects of Weight Loss Jabs

GLP-1 News

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59,000 Facebook Posts Reveal the Real Side Effects of Weight Loss Jabs
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28 Jul 2025

Could GLP-1s Help With Asthma? New Study Says It Might

GLP-1 News

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Could GLP-1s Help With Asthma? New Study Says It Might
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Nick M

25 Jul 2025

FDA Adds New Side Effect Warnings to GLP-1 Drug Leaflets in the U.S.

GLP-1 News

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FDA Adds New Side Effect Warnings to GLP-1 Drug Leaflets in the U.S.
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Nick M

24 Jul 2025

A Generic GLP-1 Is Coming, Could This Finally Lower Prices in the UK?

GLP-1 News

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A Generic GLP-1 Is Coming, Could This Finally Lower Prices in the UK?
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Nick M

23 Jul 2025

Can Popular Weight-Loss Jabs Also Protect Your Brain? New Study Suggests They Might

GLP-1 News

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Can Popular Weight-Loss Jabs Also Protect Your Brain? New Study Suggests They Might
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Nick M

15 Jul 2025

MHRA Investigates Possible Link Between GLP-1 Weight Loss Drugs and Pancreatitis

GLP-1 News

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MHRA Investigates Possible Link Between GLP-1 Weight Loss Drugs and Pancreatitis
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Nick M

26 Jun 2025

Mounjaro Goes Mainstream: NHS GPs Begin Prescribing Weekly Weight-Loss Jab from Today

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Mounjaro Goes Mainstream: NHS GPs Begin Prescribing Weekly Weight-Loss Jab from Today
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Nick M

23 Jun 2025

Could You Get Weight-Loss Jabs on the NHS? Here’s Who Qualifies Right Now

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Could You Get Weight-Loss Jabs on the NHS? Here’s Who Qualifies Right Now
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