# creatine

/kɹiːˈeɪtiːn/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/creatine
Updated: 2026-05-25

## Definition

a natural substance in your body that helps provide energy for short bursts of activity, like lifting weights. Athletes often take it as a supplement to improve their performance.

For teachers: an organic acid that occurs naturally in vertebrates and plays a critical role in energy metabolism. It is frequently consumed as a dietary supplement to enhance high-intensity exercise performance.

## Examples

- He takes creatine every morning before his workout.
- Many bodybuilders use creatine to increase their muscle mass and improve their recovery time after intense training sessions.
- While creatine is synthesized in the liver and kidneys, it is also found in high concentrations in red meat and fish, making it a popular choice for those seeking to boost their anaerobic capacity.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.