Peptid-Klartext DE Community
Guides

Living with the weight-loss injection

Honest answers to the questions that really come up in everyday life with Mounjaro, Ozempic, Wegovy & Co. – easy to understand, with sources and without advertising.

Experience report · Marcus, 41

My start with Mounjaro – and why I built this site

−6 kg in 11 days, no food noise, no side effects – with all my measurements and honest words about the costs.

Mounjaro constipation

Constipation on Mounjaro, Ozempic & co.: what helps?

Why GLP-1 medications like tirzepatide and semaglutide cause constipation, what helps in everyday life and when you should see a doctor – clearly explained.

Weight-loss injection nausea

Nausea on Mounjaro, Wegovy & Co.: What can you do?

Nausea is the most common side effect of GLP-1 medications. Why it happens, what helps in everyday life and when it is a warning sign.

Muscle loss on the injection

Keeping your muscle on tirzepatide & semaglutide

If you lose weight quickly with GLP-1 medications, you also lose muscle mass. How much, why it matters and how protein and strength training counteract it.

Insulin syringe units to mL

Converting insulin syringe units to mL

How many mL are 10 units? U-100 syringes explained simply, with a conversion table, common mistakes and a free calculator.

Stopping the injection & yo-yo effect

Stopping Mounjaro or Wegovy: What happens next?

What studies show about stopping tirzepatide and semaglutide, why many people regain weight and how you can prepare.

Weight-loss injection hair loss

Hair loss on Mounjaro, Ozempic & Co.

Why some people lose hair on GLP-1 medications, whether it is permanent and which blood values and nutrients you should have checked.

Mounjaro and alcohol

Alcohol on Mounjaro, Ozempic & Co.

Can you drink alcohol on tirzepatide or semaglutide? What the prescribing information says, what the risks are and why many people feel less like drinking.

Mixing a vial with BAC water & injecting

Reconstituting a vial with bacteriostatic water and injecting with an insulin syringe

Illustrated step-by-step guide: reconstitute a powder vial with BAC water, draw up the amount with a U-100 insulin syringe, read the scale correctly and inject subcutaneously.

How much water for mixing

How much water to reconstitute? The water volume, simply explained

1, 2 or 3 mL? Why the amount of diluent only determines the concentration, not the amount of active substance – and how to avoid calculation errors.

Shelf life of reconstituted peptides

How long does a reconstituted solution keep?

“Easily 3 months”? What is known about the shelf life of reconstituted peptides and opened pens, how to store them properly and when to throw them away.

Filling a pen cartridge: how-to

Filling a cartridge and using the pen – step by step

Illustrated guide: transfer the solution from the vial into a 3 mL cartridge, remove the air, insert the cartridge, prime and inject correctly – with hygiene tips.

Mounjaro wearing off

When the effect wears off before your next injection

Many people notice more hunger and food noise on days 5 to 7. What the half-life has to do with it, what is normal and why you shouldn’t combine things on your own.

Scale going up on the injection

The scale is going up despite the weight-loss injection – what’s going on?

Up 300 g in week 3? Why your weight fluctuates on Mounjaro, Wegovy & Co., what water, salt and digestion have to do with it and when it is a real plateau.

Heartburn on the injection

Heartburn on Mounjaro, Ozempic & co.

Why GLP-1 medications can trigger heartburn, which foods make it worse – including fast food – and what you can do.

Weight-loss injection, pill & contraception

Weight-loss injections and the pill: What women need to know about contraception

Tirzepatide can make the pill less effective. What the prescribing information recommends, why unplanned pregnancies happen and what matters with PCOS.

Weight-loss injection on holiday & flights

On holiday with the weight-loss injection: Cooling, flights, customs and buffets

Pens in your hand luggage, cooling on the beach, a doctor’s certificate, customs – and how to stay relaxed at the all-inclusive buffet.

Cloudy peptides, quality & COA

Cloudy, foamy, no effect: how to spot poor quality

What a certificate of analysis (COA) does and doesn’t tell you, why lab reports are only half the truth and which warning signs mean you shouldn’t use a vial.

Drawing up peptides together

Drawing up two peptides together – is that OK?

Many people ask whether you can draw up two peptides in one syringe. Why compatibility, stability and accuracy argue against it.

How much to drink on the injection

How much should you drink on the weight-loss injection?

Why thirst decreases on GLP-1 medications, how to recognise dehydration – and why 5 or 6 litres is not automatically better.

Weight-loss injection drug interactions

Weight-loss injections and other medications: What to watch out for

The pill, blood pressure medication, diabetes drugs, thyroid, ADHD medication: which interactions matter with GLP-1 medications and why your doctor should know everything.