The Lethal Dose of GHK-Cu for 50% of mice (LD50) deaths was 8 mg for a 25-gram mouse or about 23 grams for a 70 kg human
[DOI] [PubMed] [Google Scholar] 81.Waldow T., Alexiou K., Witt W., Albrecht S., Wagner F., Knaut M., Matschke K
Too little ( 1000 mg/day) stomach cramps, wasted capsules
Its Phase 3a REDEFINE 1 and REDEFINE 2 trials are published and complete, but the product remains investigational while its benefitrisk profile is evaluated
Inhaled Glutathione Delivered directly into the lungs, this form of glutathione is typically used for respiratory conditions but may have side effects such as asthma attacks
SARS-CoV-2 positivity rates associated with circulating 25-hydroxyvitamin D levels