Meaning & use
creatine
Last updated
Meanings
noununcountablebiologychemistry
a substance in muscles that helps produce energy, often taken as a supplement
Grammar: Uncountable, so no plural: Creatine is popular among athletes. Not 'a creatine'.
Patterns
- take creatine
- creatine supplement
- creatine monohydrate
Many athletes take creatine to improve their performance.
Creatine is naturally found in meat and fish.
The study examined the effects of creatine on muscle strength.
noununcountablebiologychemistry
a compound produced in the body from amino acids and stored in muscles
Grammar: Used in scientific contexts, especially biology and medicine.
Patterns
- creatine phosphate
- creatine kinase
Creatine is synthesized in the liver and kidneys.
The enzyme creatine kinase is measured in blood tests.
Common combinations
- take creatine
- He takes creatine before his workouts.
- creatine supplement
- Creatine supplements are widely available.
- creatine levels
- Doctors checked his creatine levels.
- creatine monohydrate
- Creatine monohydrate is the most common form.
Word family
- creatinine noun
- A waste product from creatine breakdown, measured in kidney tests.
Commonly confused: creatine or creatinine? creatine or keratin?
creatine vs creatinine
Creatinine is a waste product, while creatine is the energy-related substance. They sound similar but are different.
creatine vs keratin
Keratin is a protein in hair and nails, not related to muscle energy.
Practice
Which sentence uses 'creatine' correctly?
Choose one answer.
Creatine is a substance taken as a supplement for muscle energy, so 'takes creatine to help his muscles recover' is correct. The other options confuse it with other words like keratin or food.
Make it your own
Write a sentence using “creatine”, then check it and compare it with the examples above.