Creatine makes you fat — Myth: It causes water weight, not fat.

Does Creatine Make You Fat?

Creatine has zero calories and cannot turn into body fat. The early scale bump is water drawn into your muscles.

Step on the scale a week after starting creatine and you might see a kilogram or two appear. That can be unnerving — but it is not fat, and understanding what is actually happening removes the worry.

Water weight, not fat

Creatine has zero calories and cannot be converted into body fat. Any weight gain in the first week or two is water being drawn into your muscle cells — exactly where you want it. The typical increase is 1 to 2 kilograms of intramuscular water, which can actually make muscles look fuller, not puffier.

What happens over time

Because the water sits inside the muscle rather than under the skin, it does not create a bloated appearance. Over the longer term, by letting you train harder, creatine helps you build lean muscle. The supplement itself never adds body fat.

Frequently Asked Questions

How much weight will I gain on creatine?

Most people gain about 1 to 2 kilograms of water weight in the first couple of weeks. This is intramuscular water, not fat.

Will creatine make me look bloated?

No. The water is held inside muscle cells, not under the skin, so most people simply look and feel a bit fuller and stronger.

Does the water weight go away?

If you stop taking creatine, the extra intramuscular water gradually returns to baseline over several weeks.

References

  1. Kreider, R. B. et al. (2017). ISSN position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine.. Journal of the International Society of Sports Nutrition.
  2. Antonio, J. et al. (2021). Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show?. Journal of the International Society of Sports Nutrition.