Coffee also contains palmitic acid and caffeine, and when absorbed rectally, this stimulates the natural production of glutathione, a powerful antioxidant essential for liver detoxification, by up to 700%
However, nesfatin-1 crosses the bloodbrain barrier in a non-saturable fashion 229,230
This is due to the fact that the drug can accumulate in the body leading to increased side effects including dehydration, electrolyte imbalance, or worsening renal function
Mild nausea, stomach upset, constipation, or fatigue can occur, especially early on
GSSG can be recycled back into reduced glutathione (GSH) with the help of the enzyme glutathione reductase