IV glutathione at very high doses (1,200 mg daily for one month) has been linked to reversible liver toxicity
Applied to the skin in a cream, serum, or balm formulation
The intranasal GHK-Cu treatment was found to delay cognitive impairment, reduce amyloid plaques, and lower inflammation levels in the frontal cortex and hippocampus .37 Randomized controlled trials in human patients are needed to confirm the benefit of GHK-Cu for cognitive decline and Alzheimers disease as well as to evaluate safe and effective human dosing (the human dose equivalent of 15mg/kg in mice would be ~1.2mg/kg, though data on this or any other dosing nasally in humans is not currently available), but preliminary animal trials are promising
Liposomal glutathione increased whole-blood levels by 40% and red blood cell levels by 25% within just 2 weeks [5]
Just like during pregnancy, supplemental glutathione is generally considered safe during breastfeeding, but it is still wise to discuss it with your pediatrician or lactation consultant
IV Glutathione Infusions In recent years, "drip bars" and med-spas have popularized intravenous (IV) glutathione