Guide//6 min
Exercising on a GLP-1
The advice to exercise while losing weight is correct and almost always delivered by someone who has not tried doing it on nine hundred calories and a stomach that empties at half speed.
Your Body
Muscle & Strength
Protecting lean mass through a 20% weight loss.
22 pieces
Explainer//5 min
GLP-1s through menopause
The weight that appears in the forties and fifties is not a failure of discipline. It is a redistribution driven by falling oestrogen, and it responds to a different set of interventions than the ones that worked at thirty.
Explainer//6 min
GLP-1s after 65
The cardiovascular benefit holds in older adults. So does the muscle loss, onto a body that was already losing muscle, in a person for whom a fall is a different event than it was at forty.
Guide//6 min
Loose skin after a GLP-1
Skin keeps tightening for a year or more after the weight stops coming off, which means most people who panic at month eight are looking at an unfinished result.
Guide//6 min
Why weight loss stalls
Every weight loss curve flattens. The trial curves flatten, the surgical curves flatten, and yours will too. The question is whether you have hit a plateau or simply had a fortnight.
Guide//7 min
What to eat on a GLP-1
Appetite suppression solves the quantity problem and creates a composition one. Every bite now has to do more work, and most people spend month one finding this out the hard way.
Guide//4 min
Best creatine for GLP-1 users
Creatine monohydrate is a commodity costing pennies a gram, and it is the single best-evidenced supplement for holding on to strength while you lose a fifth of your body weight. The interesting question is what else is in the scoop.
Guide//3 min
Best GLP-1 supplement brand
Every brand in this category claims transparency. Only some of them print the numbers that would let you check, and the gap between those two groups is the most useful thing a buyer can know.
Guide//4 min
Best GLP-1 supplement stack
Most of the supplements sold to people on Ozempic are designed to raise GLP-1. You are already injecting a GLP-1 agonist. The useful question is what the drug leaves behind, and which stack is built to replace it.
Guide//2 min
Best GLP-1 supplements over 50
Age-related muscle loss was already running before you started. A GLP-1 adds a second subtraction on top of the first, and the arithmetic of that is the whole reason this ranking looks different.
Guide//2 min
Best GLP-1 supplements for women
Most supplement advice for this drug is written for a generic body. Menstrual iron losses, bone density during rapid loss, and a documented contraceptive interaction make the picture genuinely different.
Guide//3 min
Best muscle supplement on a GLP-1
A quarter to a third of what you lose on these drugs is lean tissue. No powder changes that on its own — but two of them meaningfully help, and the rest are selling you the idea of help.
Guide//2 min
Best supplements coming off a GLP-1
Appetite returns faster than muscle does. The months after you stop are when the lean mass you did not defend becomes a number you can feel, and the supplement priorities invert accordingly.
Guide//2 min
Best supplements on tirzepatide
Tirzepatide takes off more weight than any injectable before it, and the supplement question changes with the magnitude. When a fifth of your body is leaving, what you protect matters more than what you optimise.
Guide//2 min
Best supplements for training on a GLP-1
Resistance training is the highest-leverage thing you can do on these drugs and the hardest to sustain, because you are being asked to train in a deficit with an appetite that will not cooperate.
Guide//3 min
Do you need GLP-1 supplements?
An entire industry has assembled around the answer being yes. The defensible answer is that two products help most people, two help some, and the rest exist because you are a motivated buyer with a new prescription.
Guide//10 min
The GLP-1 companion app I recommend
Almost every avoidable failure I see in the first year of treatment traces back to the same thing: nobody wrote anything down. Here is what is worth recording, why it matters more on these drugs than on anything else I prescribe, and the tool I have settled on.
Explainer//4 min
The race past 20 percent
Retatrutide, CagriSema and the triple agonists are aiming at weight reduction that used to require surgery. The interesting question is no longer whether they can get there, but what breaks first.
Guide//5 min
How much protein on a GLP-1
The number is not the hard part. Getting a hundred and twenty grams into a body that stops being interested after four bites is a logistics problem, and it deserves to be treated as one.
Deep Dive//5 min
The muscle question
Roughly a quarter of the weight lost on a GLP-1 is not fat. Whether that matters, and what — if anything — you can do about it, is the most consequential unsettled argument in this field.
Guide//5 min
Lifting on a GLP-1: the minimum that works
You do not need a program, a coach, or a gym membership you will cancel in March. You need six movements, twice a week, and enough load that the last two repetitions are genuinely difficult.
News//4 min
Drugs to protect muscle alongside GLP-1s
If a quarter of the weight you lose is lean tissue, the obvious pharmaceutical response is a second drug to stop that happening. Several are now in trials, and the questions they raise are more interesting than the marketing.
Also in Your Body
On The Jab
The
GLP‑1
Handbook
Dr. Nick Robertson
MD
The book · 14 chapters
The GLP-1 Handbook
Everything I tell my own patients before their first injection. 214 pages of what actually matters in the first year — dosing, side effects, food, muscle, cost, and the part nobody prepares you for: maintenance.
$4Less than your morning coffee.
Priced at four dollars because it should be affordable to everyone taking these drugs — not because it's worth four dollars. No upsell, no course, no supplement line.