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Authors conclusions: Low quality evidence shows oral and IM vitamin B 12 having in terms of normalizing serum vitamin B similar effects 12 levels, but
Ask your dentist to document baseline salivary flow at your first visit after starting medication, which provides a reference point for tracking changes over time
doi: 10.3389/fmed.2025.1670643 Received 21 July 2025 Revised 08 December 2025 Accepted 12 December 2025 Published 13 January 2026 Volume 12 - 2025 Edited by Bhim Bahadur Rai, Australian National University, Australia Reviewed by Pir Salim Mahar, Aga Khan University, Pakistan Yan Zhang, Tianjin Medical University Eye Hospital, China Updates Copyright 2026 Wen, Xu, Yuan, Chen, Ren, Xu, Jin, Li and Zhou
Glutathione reductase then regenerates GSH using NADPH, maintaining the critical 30:1-100:1 GSH:GSSG ratio
10.1006/bbrc.1998.8998
