Creatine is one of the most studied sports supplements. The main practical benefit is better performance in short, repeated, high-intensity efforts such as sprinting or strength training.
How it works#
Creatine helps the muscles restore quick energy more efficiently. That is why it fits efforts that are brief, hard and repeated with short rests.
Who it suits best#
Creatine is most useful when the training actually depends on short power bursts. If exercise is mainly light walking or steady endurance work, creatine is usually not the main limiting factor.
Form and use#
Creatine monohydrate is the best studied form. A daily maintenance dose of about 3 to 5 grams is common. A loading phase is not necessary for most people.
Taken regularly, creatine stores in the muscles over time. It is usually easier to use if you take it with a meal and keep the routine simple.
Safety#
Creatine is generally considered safe for healthy adults when used at recommended doses. Early weight gain usually comes from water stored in the muscles. That is expected.
People with kidney disease should avoid creatine or discuss it with a doctor first. If you use medicines or have a chronic condition, it is sensible to check suitability before starting any supplement.
When to seek care#
Seek care if creatine use is linked with new stomach symptoms, swelling, or any kidney-related concern. Also seek review if you have kidney disease, are pregnant, or take medicines that may interact with a supplement plan.
Further reading and sources#
Further reading: