Micronutrients & recovery
An Adequate Intake (AI) of 70 µg/day of selenium is sufficient to saturate the functional selenium body pool and support all tissue functions in adults, as indicated by the levelling off of plasma selenoprotein P (SEPP1) concentrations.
For general adult health, aim for 70 µg of selenium per day. This amount is sufficient to saturate your body's functional selenium pools, as measured by selenoprotein P levels. There is no evidence that taking more than this amount provides additional health benefits, so sticking to this range is sufficient for meeting physiological needs.
The levelling off of plasma selenoprotein P (SEPP1) concentration was considered indicative of an adequate supply of selenium to all tissues and to reflect saturation of the functional selenium body pool, ensuring that selenium requirement is met. This criterion was used for establishing DRVs for selenium in adults... an Adequate Intake (AI) of 70 µg/day for adults was set.
Why this rating
Based on a comprehensive review of human studies and RCTs by the EFSA Panel, though the derivation of an Average Requirement was deemed insufficient due to uncertainties.
Source
Scientific Opinion on Dietary Reference Values for selenium
EFSA Panel on Dietetic Products et al. · EFSA Journal · 2014
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