Most human studies used it around 2% (as Glutathione or Glutathione Disulfide) and a 2% oxidized glutathione lotion and a 2% S-acyl glutathione cream are the concentrations with actual clinical data behind them
Keep it in a cool, dry area
Here's how glutathione promotes liver health and detoxification: detoxification pathways, neutralisation of reactive oxygen species (ros), protection against liver damage, support for liver regeneration, modulation of inflammatory responses, liver disease protection, drug and toxin metabolism, and antioxidant synergy
In saying that, some GPs do offer urine measurement, as it is easy to collect
While some compounded GLP-1s closely mimic the original formulations, others differ significantly, and even small changes in dose timing or delivery can affect how the drug performs