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Optimal dosage follows a narrow window : Men need 55-75 g dailyboth deficiency and excess (over 400 g) can harm reproductive health due to selenium's U-shaped response curve
Nov 2019;66(2):157-165
Passed: Confirms compliance with USP bacterial toxin thresholds
Frequently Asked Questions People with low B12 levels due to poor absorption, certain medical conditions, or strict vegetarian/vegan diets may need B12 injections to restore healthy levels
Xin-Ying Ji, [email protected] This article was submitted to Molecular and Structural Endocrinology, a section of the journal Frontiers in Endocrinology Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers
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