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From a health point of view…
Skipping alcohol entirely is the most supportive choice for your weight loss and long-term health goals. But if you do drink, choose smaller serves, lower-calorie options, and space them out.
The takeaway
Alcohol won’t instantly “cancel” your GLP-1 results, but it can slow progress if it’s a regular habit. Be mindful of how often you drink, and remember, the best progress comes from choices that support you most of the time, not perfection all of the time.
📌 Want the full story? Read our guide to drinking alcohol on Mounjaro here.
Changes in how much you can drink
GLP-1s reduce appetite, and that includes how much liquid you can comfortably manage. If you’re planning to drink, it’s important to prioritise nourishing food first to keep your energy up and give your body what it needs. After that, you may find there’s only room for one or two drinks before that full feeling kicks in. For many, that naturally reduces alcohol intake and helps limit its impact on weight loss.
Metabolism slowdown
When alcohol is in your system, your body prioritises breaking it down over burning fat. That means fat loss takes a back seat until the alcohol is processed, which can temporarily slow your weight loss progress. Timing matters; find out what happens if you drink the day after your jab.
The GLP-1 silver lining
Some people notice their overall alcohol intake naturally drops after starting GLP-1s, either because they don’t feel like drinking as much or the effects are stronger than before. That can work in your favour if you use it as an opportunity to cut back.
You’ve worked hard to get started on Mounjaro or another GLP-1, your appetite’s down, and the scales are moving in the right direction. But what happens when alcohol gets involved? Can those weekend drinks undo your progress?
The calorie reality
Alcohol itself is calorie-dense, around 7 calories per gram, which makes it more energy-packed than carbs or protein. Add in mixers, syrups, or beer carbs, and those numbers climb quickly. Even just a few drinks can match the calories of an entire meal, without giving you any nutrients in return.
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Pen Hub Team
Published:
12 Aug 2025
Updated:
6 Oct 2025
Does Alcohol Slow Your Weight Loss on GLP-1s?
Starting Out
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Helpful Companions For Your Weight Loss Journey
From meal ideas to daily tracking, these digital tools are designed to make life on GLP-1s a little easier.
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