because selenium is part of the enzyme glutathione peroxidase it 8.7 Rational redesign of the active
Description
N-acetylcysteine as a treatment for sulphur mustard poisoning

Proceedings of the National Academy of Sciences of the United States of America 2009
Designed for hydration, antioxidant support, and nutrient replenishment, this IV drip delivers high-dose vitamins, minerals, and antioxidants directly into the bloodstream for fast absorption

A mostly-full vial that was warm for 30 hours may still have acceptable potency for a few more doses, but do not rely on it for the remaining weeks of the expected shelf life