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Medically reviewed by Last updated on Jan 8, 2023.

What are other common names?

  • 2-[carbamimidoyl(methyl)amino]acetic acid
  • Cr
  • Creatin
  • Creatina
  • Creatine Anhydrous
  • Creatine Citrate
  • Creatine Ethyl Ester
  • Creatine Ethyl Ester HCl
  • Creatine Gluconate
  • Creatine Hydrochloride
  • Creatine Malate
  • Creatine Monohydrate
  • Creatine Phosphate
  • Creatine Pyroglutamate
  • Creatine Pyruvate
  • CrP
  • Créatine
  • Créatine Anhydre
  • Créatine Citrate
  • Créatine Ethyl Ester
  • Créatine Ethyl Ester HCl
  • Créatine Kré Alkaline
  • Créatine Malate
  • Créatine Monohydrate
  • Créatine Monohydratée
  • Créatine Pyroglutamate
  • Créatine Pyruvate
  • Di-Creatine Malate
  • Dicreatine Malate
  • Dicréatine Malate
  • Glycine
  • Kre-Alkalyn Pyruvate
  • Kreatin
  • Malate de Tricréatine
  • Methyl Guanidine-Acetic Acid
  • Methylguanidine Acetic Acid
  • Methylguanidine-Acetic Acid
  • N-(Aminoiminomethyl)-N Methyl Glycine
  • N-(aminoiminométhyl)-N-Méthyl
  • N-Amidinosarcosine
  • Phosphocreatine
  • Phosphocréatine
  • Tricreatine HCA
  • Tricreatine Malate
  • Tricréatine HCA
  • Tricréatine Malate
  • Éthyle Ester de Créatine

What is this product used for?

Creatine is used by some people to build muscle mass. Others use creatine to give them extra strength and power during short periods of exercise.

What are the precautions when taking this product?

  • Always check with your doctor before you use a natural product. Some products may not mix well with drugs or other natural products.

  • This product may interfere with some lab tests. Be sure to talk with your doctor about this and all drugs you are taking.

  • Be sure to tell your doctor if you are pregnant, plan on getting pregnant, or are breastfeeding. You will need to talk about the benefits and risks of using this natural product.

  • Drink extra fluids when taking creatine. Try to drink 8 to10 glasses of water each day. This may help keep you from having too much fluid loss. Use caution when exercising in the heat.

  • Do not take this product with products that have caffeine or ephedra.

  • Do not take this product if you have kidney problems.

  • Do not take this product with other drugs that may cause side effects on the kidneys.

  • Take extra care and check with your doctor if you have:

    • Kidney problems

    • Liver problems

    • Heart problems

    • Diabetes

  • Keep hard candies, glucose tablets, liquid glucose, or juice on hand for low blood sugar.

What should I watch for?

  • Stomach cramps

  • Weight gain or loss

  • Muscle cramps

  • Dizziness

When do I need to call the doctor?

  • Signs of a very bad reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat. Go to the ER right away.

  • Signs of fluid loss. These include dark-colored urine or no urine for more than 8 hours, dry mouth, cracked lips, dry skin, sunken eyes, lack of energy, feeling faint, or passing out.

  • Signs of low blood sugar. These include hunger, dizziness, shaking, a fast heartbeat, confusion, or sweating.

  • Very bad throwing up

  • Very bad belly pain

  • Very bad loose stools

Where can I learn more?

Department of Defense Dietary Supplement Resource, Operation Supplement Safety

National Institutes of Health, Office of Dietary Supplements

Last Reviewed Date


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