They make it extra difficult for your body to get rid of them by directly weakening your immune system
The mechanistic story emphasizes neurotransmitter system normalization rather than direct receptor agonism
This explains why glutathione depletion has been implicated in central nervous system disorders, cardiovascular diseases, diabetes complications, liver diseases, HIV infection, tuberculosis, and even poor outcomes in viral illnesses such as COVID-19, as highlighted in multiple reviews including Guloyan et al., 2020
after an intramuscular injection of 1,000 g of cyanoB 12 , about 150 g is ultimately retained in the body 15 Most vitamin B 12 -deficient individuals in the UK and other countries are treated with intramuscular vitamin B 12 , and vitamin B 12 replacement has been traditionally administered intramuscularly