R2* relaxation (R2*)
Stomach and gut healthA magnetic resonance parameter sensitive to iron concentration in tissues.
Elevated hepatic R2* values suggest increased iron deposition in the liver (hemochromatosis or hemosiderosis).
Reference range
115
High normal
High
Source: Ahead Health benchmark
Reference ranges may vary between labs and assays. Always interpret results with your healthcare provider.
Why this matters
R2 reveals early iron accumulation in the liver before symptoms appear. Elevated levels increase the risk of liver damage, diabetes, and heart complications. Detecting iron overload early allows dietary, medical, and lifestyle interventions to prevent organ damage.
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