noun. an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction.
- aminoalkanoic acid
Example sentences of the word creatine
1. Noun, singular or mass
You should not take creatine in any form if you have a history of liver or kidney disease or have high blood pressure.
You may notice an increase in your weight when you start taking a creatine supplement such as Kre-Alkalyn Creatine.
3. Verb, base form
Whey protein and creatine both have potential side effects, therefore it is recommended that you consult your physician before using these two products.
4. Verb, non-3rd person singular present
Your body converts creatine into a different form and stores it in your muscles, where it can be used as a source of energy for high-intensity activity, such as lifting weights.