Last Updated: August 16 2022

Fatigue refers to a feeling of tiredness that does not improve with sleep or rest. It can be due to intense and/or prolonged physical and mental activity or due to other causes not related to exertion (e.g., anxiety/depression, medications, disease, pregnancy).

Fatigue falls under theEnergy & Fatiguecategory.

Examine Database: Fatigue
What works and what doesn't?

Unlock the full potential of Examine

Get started

Don't miss out on the latest research

Become an Examine Insider for FREE to stay on top of the latest nutrition research, supplement myths, and more