Can Omega-3 Index help with Müdigkeit?

The Omega-3 Index measures EPA and DHA levels in red blood cells and reflects long-term omega-3 status. A low index is linked to higher inflammation, which could theoretically contribute to fatigue. However, evidence for a direct causal effect on fatigue is mixed: observational studies show associations, but robust RCTs are lacking. Fatigue has many causes (sleep, stress, iron deficiency, thyroid issues, etc.). An Omega-3 Index test can be part of a broader workup, but it does not replace medical evaluation. Evidence is moderate – supplementation alone is not a proven fatigue remedy.