Although creatine monohydrate is a relatively safe nutritional supplement, there may be some side effects when used. Common side effects include gastrointestinal discomfort, diarrhea, dehydration, and muscle spasms. Some people may also experience symptoms such as headaches, fatigue, and insomnia.
In addition, some studies have shown that long-term high doses of creatine monohydrate may have a negative impact on renal function, especially in people with existing kidney diseases
。 Therefore, when using creatine monohydrate, it is necessary to pay attention to the dosage and duration of use to avoid potential side effects.
However, creatine monohydrate has relatively few side effects, and most people do not encounter any problems when using it. If you have any concerns or discomfort, you should consult a doctor or health professional for advice.