doi:10.18632/aging.102682
The study observed a reduction in the Firmicutes/Bacteroidetes ratio in the gut microbiota of individuals with insomnia, alongside an increase in gram-negative and potentially pathogenic bacteria compared to a control group
Glutathione is a powerful antioxidant, but to get the most out of it, there are a few things you should steer clear of

Product Features Manufactured in the United Kingdom Formulated with USP Water for Injection (WFI)-grade water WFI-grade water manufactured under ISO 9001 and ISO 13485-certified quality management systems Contains 0.9% benzyl alcohol as a preservative Each finished batch independently tested for sterility Each finished batch independently tested for bacterial endotoxins Supplied in a 10ml borosilicate glass vial Bromobutyl rubber stopper Tamper-evident aluminium cap and seal Full batch and lot traceability Lot-specific Certificate of Analysis Suitable for laboratory reconstitution and analytical workflows Supplied strictly for laboratory research use Storage Instructions Store at 15C to 25C Store in a clean, dry location Protect from direct sunlight and excessive heat Keep the vial sealed until required Handle only under suitable laboratory conditions Important Notice This product is supplied strictly for laboratory research and analytical purposes only

For example: Around a strained Achilles tendon Near a rotator cuff injury SubQ in the abdomen for systemic inflammation Localized delivery may enhance growth factor expression and collagen synthesis directly at the site of damage
Talk to a qualified clinician These are theoretical cautions, not a complete safety list