The lethal dose threshold (LD1) was never achieved in animal safety studies meaning researchers could not identify a dose lethal to 1% of test subjects
However, glutathione comes in two different forms, which are: Oxidised Glutathione (GSSG) Reduced Glutathione (GSH) Maintaining the levels of reduced GSH with glutathione pills with vitamin c can help with immune support and detoxification
PubMed Duzel, A., Vlainic, J., Antunovic, M., Malekinusic, D., Vrdoljak, B., Samara, M., Gojkovic, S., Krezic, I., Vidovic, T., Bilic, Z., Sjekavica, I., Djuzel, A.R., Knezevic, M., Sever, A.Z., Lojo, N., Kokot, A., Sever, M., Drmic, D., Seiwerth, S., & Sikiric, P
[Abstract] AZD5904 signifcantly reduces CD206 expression by inhibiting MPO in BMDMs
Freezethaw: Avoid repeated freezethaw cycles of the reconstituted solution
Some studies have shown that cyanocobalamin may be better absorbed by the body than methylcobalamin, although the science on that topic is currently mixed