PIP LEARN
Practical answers for better progress tracking.
Sourced guides to GLP-1 medicines, plus clear guidance for repeatable body check-ins, skin photos and treatment records.
How to track progress on peptides
Build a repeatable record of body change, weight, treatment timing and how you felt without turning every day into a test.
Read the guide ↗GLP-1 MEDICINES
6 GUIDESMounjaro: the weekly jab, explained
What Mounjaro is, who can get it on the NHS, how the dose steps up, what the trials found, the common side effects and what to track beyond the scale.
Read ↗02 · 8 MINZepbound: the weekly shot, explained
What Zepbound is approved for in the US, how the dose steps up, what the trials found, the most common side effects and what to track beyond the scale.
Read ↗03 · 9 MINWegovy injection and Wegovy pill, explained
What Wegovy is approved for, exactly what's approved for the Wegovy pill in the US and UK, the dose steps, trial results and common side effects.
Read ↗04 · 6 MINOzempic: what it is, and what it isn't
Ozempic is semaglutide licensed for type 2 diabetes, not weight loss. What it's approved for, the dose steps, side effects and how it relates to Wegovy.
Read ↗05 · 8 MINTirzepatide: Mounjaro and Zepbound, explained
Tirzepatide is the medicine in Mounjaro and Zepbound. What it's approved for in the UK and US, the dose steps, trial results and side effects.
Read ↗06 · 8 MINSemaglutide: Ozempic, Wegovy and Rybelsus, explained
Semaglutide is the medicine in Ozempic, Wegovy and Rybelsus. Which brand is approved for what, the dose steps, trial results and side effects.
Read ↗GLP-1 WEEK BY WEEK
3 GUIDESMounjaro week by week
Average weight change in the SURMOUNT-1 trial at weeks 4, 8, 12, 16, 20, 24 and beyond, next to the label's dose steps. Trial averages, not a prediction.
Read ↗02 · 6 MINWegovy week by week
Average weight change in the STEP 1 trial of Wegovy 2.4 mg at weeks 4, 8, 12, 16, 20 and beyond, beside the label's dose steps. Not a prediction.
Read ↗03 · 6 MINZepbound week by week
Average weight change in the SURMOUNT-1 trial at weeks 4, 8, 12, 16, 20, 24 and beyond, next to the label's dose schedule. Trial averages, not a prediction.
Read ↗GLP-1 QUESTIONS
7 GUIDESThe scale has stopped, but my clothes are looser
Why the scale can stall while your clothes get looser on Mounjaro, Wegovy or Zepbound, what trials measured besides weight, and how to check.
Read ↗02 · 6 MINAm I losing muscle on a GLP-1?
How much of the weight lost on tirzepatide and semaglutide was lean mass in the trial body scans, how that compares with diet alone, and what may help.
Read ↗03 · 4 MINOzempic face: what it is and what's known
What people mean by Ozempic face, what surgeons and researchers have written about it, how strong the evidence is, and what you can sensibly do.
Read ↗04 · 4 MINLoose skin after weight loss on a GLP-1
Who gets loose skin after big weight loss, what the research shows, what the NHS says about removing it, and what we don't yet know for GLP-1 medicines.
Read ↗05 · 5 MINWhy has my weight loss stopped on a GLP-1?
Why weight loss slows and levels off on Mounjaro, Wegovy and Zepbound, what the trial curves show, the 6-month review rule and what to ask your prescriber.
Read ↗06 · 7 MINWhat happens when you stop a GLP-1?
What the STEP 1 extension, STEP 4 and SURMOUNT-4 trials found when people stopped semaglutide or tirzepatide, and what to ask before you stop.
Read ↗07 · 5 MINHow much protein do you need on a GLP-1?
What the 2025 joint nutrition advisory and an NHS trust say about protein on GLP-1 medicines, why it matters for lean mass, and when to ask a dietitian.
Read ↗PEPTIDE + GLP-1 PROGRESS
5 GUIDESHow to track progress on peptides
Build a repeatable record of body change, weight, treatment timing and how you felt without turning every day into a test.
Read ↗02 · 6 MINHow to track GLP-1 progress beyond the scale
Use weight as one part of the record while following body shape, appetite, symptoms and repeat check-ins over time.
Read ↗03 · 5 MINWhat to track beyond body weight
A practical set of body, skin and wellbeing signals that can add useful context to a weight trend.
Read ↗04 · 4 MINHow often should you repeat a progress check-in?
Choose a cadence that is consistent enough to remember and spaced enough to make comparison useful.
Read ↗05 · 5 MINHow to keep a useful peptide treatment log
Record what happened and when without turning a personal log into a dosing recommendation.
Read ↗BODY + PHOTOS
5 GUIDESHow to take consistent body progress photos
Control light, distance, angle, clothing and pose so later photographs are easier to compare.
Read ↗02 · 5 MINHow to compare progress photos fairly
Reduce misleading differences and inspect several matched views before deciding what appears to have changed.
Read ↗03 · 7 MINHow a four-photo 3D body estimate works
What front, side and back views contribute to a 3D body-shape result, and what the result is not.
Read ↗04 · 6 MINBody-fat estimates from photos: how to use them
Treat a photo-based body-fat result as a starting range to follow, not an exact or clinical measurement.
Read ↗05 · 5 MINHow to track changes around your waist
Use matched photos, a body-shape estimate and a consistently defined tape measurement without mixing unlike methods.
Read ↗SKIN + GLOW
3 GUIDESHow to track skin changes over time
Create matched photographs, record how your skin feels and separate visible signals from self-reported experience.
Read ↗02 · 5 MINHow to take consistent skin progress photos
A simple setup for repeatable face photographs that are easier to compare without over-controlling your life.
Read ↗03 · 5 MINWhat does a Glow Score track?
The five signals in Pip's Glow Score, and which ones come from photos versus your own check-in.
Read ↗DATA + RESEARCH
2 PAGESGLP-1 by the numbers
NHS prescriptions, Medicare claims, trial curves and fat versus lean loss. Every figure sourced, dated and downloadable.
Read ↗02 · RESEARCHWe asked AI assistants which GLP-1 app to use, 1,410 times
Which apps GPT-5.5, Claude and Gemini name, how much they disagree, and how often they named us.
Read ↗PIP TOOLS
Need the maths rather than the guide?
Use the reconstitution calculator, protein calculator, injection site planner and more, with the working and limits shown.
PIP COMPARES
Choosing between apps?
GLP-1 trackers, injection site, side effect and peptide trackers, body scan apps and progress photo apps, compared from their own sites, with Pip Body Scan’s gaps stated plainly.