doi: 10.3389/fphar.2025.1669257 Received 21 July 2025 Revised 19 October 2025 Accepted 20 October 2025 Published 06 November 2025 Volume 16 - 2025 Edited by Hiram Tendilla-Beltrn, Center for Research and Advanced Studies-IPN (Cinvestav), Mexico Reviewed by Weidong Lai, Zhejiang Chinese Medical University, China Arezou Mehrabi, Islamic Azad University Tonekabon, Iran Updates Copyright 2025 Shi, Jin, Xu and Liang
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Not great for an entire PO regimen.) The IV protocol is a 20 hour treatment: Loading Dose: 150 mg/kg (max: 15 g) infused over 1 hour Second Dose: 50 mg/kg (max: 5 g) infused over 4 hours Third Dose: 100 mg/kg (max: 10 g) infused over 16 hours The PO protocol is a 72 hour treatment (rotten eggs for 72 hours!!): Loading Dose: 140 mg/kg Maintenance Dose: 70 mg/kg every 4 hours for a total of 18 doses NAC is typically the first-line option for the treatment of acetaminophen toxicity
Shih et al., 2000) to avoid the mono-ubiquitination of substrates that would otherwise shunt them to the endosomal-lysosome pathway to be degraded (Osaka et al., 2003)
Some, however, including certain birds, guinea pigs, bats, primates, and humans, lack the necessary biosynthetic apparatus and must acquire vitamin C through external sources, i.e., diet