Vitamins & minerals · µmol/L
Selenium (serum)
The ranges we use for Selenium (serum), with the source. Upload your report to see your value rated for your age and sex.
Ranges we useEFSA
| Rating | Range | What it means |
|---|---|---|
| Talk to a doctor | below 0.6 µmol/L | Low. Possible selenium deficiency; discuss the cause (diet, digestive disorders). |
| Worth improving | 0.6 – 0.89 µmol/L | Lower edge. Below the optimum for selenoproteins; review your diet. |
| Good | 0.89 – 1.65 µmol/L | Selenium within the expected/optimal range. |
| Worth improving | 1.65 – 2.5 µmol/L | Upper edge. Do not add selenium without a measured deficiency. |
| Talk to a doctor | 2.5 µmol/L and above | High. Possible excess (selenosis); stop supplements and consult a doctor. |
Source: EFSA · EFSA: tolerable upper intake level (UL) 255 µg/day for adults; serum reference interval ~0,8–1,9 µmol/L (63–160 µg/L) · 2023 · open
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