Started creatine and noticed the scale go up? You're not alone. Weight gain is one of the most common worries about creatine, and it puts some people off, especially if they're trying to lose weight. In this guide we explain where that extra weight comes from, whether it's fat, whether it goes away, and how creatine fits into a weight-loss plan.
Creatine and weight at a glance
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Why Does Creatine Make You Gain Weight?
When creatine is stored in your muscles, it draws water in with it. This extra water sits inside the muscle cells, which is why the number on the scale can go up. It's not fat: creatine contains no calories and doesn't affect fat storage.
That water is actually part of how creatine works. Fuller muscle cells are linked to the way creatine supports your performance: it increases physical performance in successive bursts of short-term, high-intensity exercise.* Want the basics first? Read Creatine 101.
*Creatine increases physical performance in successive bursts of short-term, high-intensity exercise. The beneficial effect is obtained with a daily intake of 3g of creatine.
How Much Weight Do You Gain From Creatine?
Most people gain around 1 to 2kg in the first weeks. It varies from person to person:
- Loading phase: the increase usually comes faster, within the first week.
- 3 to 5g a day: the increase is more gradual, over 3 to 4 weeks.
- More muscle mass: more storage capacity, so potentially a bit more water weight.
After that, your weight stabilises. Any further changes come from your training and nutrition, not from creatine itself.
Does Creatine Make You Look Bloated?
Usually not. Because the water is stored inside your muscle cells and not under your skin, most people simply look slightly fuller, not puffy. Research suggests creatine doesn't significantly increase water outside the muscle cells over the long term.
Some people do feel bloated in their stomach, mainly during a loading phase with large doses at once. That's a digestive effect, not water retention, and it usually passes when you switch to 3 to 5g a day.
Does Creatine Water Weight Go Away?
Yes. When you stop taking creatine, your muscle stores gradually return to their normal level over about 4 to 6 weeks, and the extra water goes with them. Read the full timeline in how long does creatine take to work?
But if you keep taking creatine, the water simply stays in your muscles. That's not a problem: it's part of how creatine works, and it doesn't make you fatter.
Does Creatine Help You Lose Weight?
Not directly. Creatine doesn't burn fat. But it can be a useful part of a weight-loss plan:
- It helps you keep up the quality of your training, even when you're eating less.
- Strength training is a valuable part of losing weight, because it helps you hold on to muscle.
- It contains no calories, so it doesn't count towards your daily intake.
So you can keep taking creatine while losing weight. Just don't judge your progress by the scale alone: measurements, photos, how your clothes fit and your strength tell you more. Women in particular often worry about this; read more in creatine for women.
Does Creatine Dehydrate You or Make You Thirsty?
Research doesn't support the idea that creatine dehydrates you or causes cramps. Since creatine draws water into your muscles, it does make sense to drink enough throughout the day. Some people notice they're a little thirstier; that's simply a reason to keep your water bottle close.
Tips to Limit Water Retention
- Skip the loading phase: start straight with 3 to 5g a day for a more gradual change.
- Take it with a meal: this helps limit stomach discomfort and bloating.
- Stick to the recommended dose: more than 3 to 5g a day isn't needed. See how much creatine per day.
- Drink enough water: good hydration supports your training anyway.
FAQ: Creatine and Weight
Does creatine make you fat?
No. Creatine contains no calories and doesn't increase fat. Any weight gain is water inside your muscle cells.
How much weight does creatine add?
Usually 1 to 2kg in the first weeks, faster with a loading phase. After that, your weight stabilises.
Can I take creatine while trying to lose weight?
Yes. Creatine doesn't burn fat, but it helps you keep training at a high level. Track your progress with measurements and strength, not just the scale.
Does creatine water retention go away?
Yes, within about 4 to 6 weeks of stopping. If you keep taking creatine, it stays, which is normal and harmless.
Does creatine make you thirsty?
Some people notice that. Creatine doesn't dehydrate you, but drinking enough throughout the day is sensible.
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