Chronic pain lingers for months or years, often because of ongoing inflammation, nerve changes, or tissue that never fully healed
While this has not been confirmed in humans, it is considered a relative contraindication by most practitioners
[DOI] [PubMed] [Google Scholar] 137.Caraceni P., Riggio O., Angeli P., Alessandria C., Neri S., Foschi F.G., Levantesi F., Airoldi A., Boccia S., Svegliati-Baroni G
Considerations: Because absorption is respiratory-tissue-first, this route is not the fastest way to elevate whole-body glutathione levels compared to IV administration
J Endocrinol Invest 45:10711077
Choosing your water volume based on your syringe The goal is to make your weekly dose fall on a round, easy-to-measure number of units on your preferred syringe