Myalgic Encephalomyelitis (Chronic Fatigue Syndrome) falls under the Energy & Fatigue category.

Evidence-based

Myalgic Encephalomyelitis (Chronic Fatigue Syndrome)

Written by:

Nick Milazzo, Brady Holmer

Fact-checked by:

Morgan Pfiffner

•Last Updated: November 20, 2025

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is an illness characterized by profound, severe fatigue lasting at least six months that gets worse with exertion and which sleep doesn't alleviate.

Written by:

Fact-checked by:

Last Updated:November 20, 2025

Research Snapshot

8 references on this page

463 participants in 9 trials

Examine Evidence Grades

Overview

What is chronic fatigue syndrome?

What are the main signs and symptoms of chronic fatigue syndrome?

How is chronic fatigue syndrome diagnosed?

What are some of the main medical treatments for chronic fatigue syndrome?

Have any supplements been studied for chronic fatigue syndrome?

How could diet affect chronic fatigue syndrome?

Are there any other treatments for chronic fatigue syndrome?

What causes chronic fatigue syndrome?

Examine Database: Myalgic Encephalomyelitis (Chronic Fatigue Syndrome)

4 outcomes

2 outcomes

3 outcomes

2 outcomes

Panax Ginseng (Korean Ginseng)

3 outcomes

3 outcomes

1 outcome

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Frequently Asked Questions

How do I know if I have CFS or am just fatigued?

Can children be diagnosed with chronic fatigue syndrome?

Can exercise improve symptoms of chronic fatigue syndrome?

Can chronic fatigue syndrome be inherited?

References

Examine Database References