Taking creatine doesn't seem to cause more stomach problems than a fake pill — the difference in upset stomachs between users and non-users is tiny and probably just due to chance.

Taking creatine doesn’t seem to cause more stomach issues than a fake pill — about the same number of people get digestive problems whether they take creatine or not.

Taking creatine — whether it's the common monohydrate type or another form — doesn't seem to cause more side effects than a fake pill, even in kids, older adults, healthy people, or those with medical conditions.

Taking creatine every day for years — even up to 14 years — doesn’t seem to cause more side effects than a fake pill, no matter your age, health, or fitness level.

People taking creatine don’t seem to get muscle cramps much more than those taking a fake pill — the difference is small and might just be due to chance, so we can’t say creatine causes cramps.

Taking creatine supplements might cause some unwanted side effects or might not even be made properly, so what’s in the bottle isn’t always what it claims to be.