There are three main forms of supplemental glutathione currently available: L-glutathione or Reduced Glutathione This form is the active or reduced form of glutathione (GSH)
336 Generally, possessing the advantage of peptides in nature, anti-tumor peptides can inhibit the proliferation, migration and invasion of tumor cells and promote the apoptosis of tumor cells by preventing protein interaction, regulating the conformation of biomolecules, competing for receptor binding and destroying the cell membrane
These drugs can be lifesavers for certain people
Be careful when combining GHK-Cu with strong actives like vitamin C, retinoids, exfoliating acids, or prescription topicals
For example, tirzepatide trials reported that up to 10% of participants experienced itching or redness
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