beetroot has glutathione Bioactive potential of (Beta vulgaris) Glutathione, the Underrated Antioxidant You
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Pickart has developed a high concentration of GHK-Cu (3%) copper peptide blended with skin-healthy emulsifiers to further enhance visible results

Sources NIH: Mitophagy Promotes Hair Regeneration by Activating Glutathione Metabolism NIH: Glutathione and its antiaging and antimelanogenic effects MedicalNewsToday: What are the benefits of glutathione

On the requirements of ascorbic acid in man: Steady-state turnover and body pool in smokers

If you are losing weight steadily at 1.0mg or 1.7mg with manageable side effects, there is no clinical mandate to escalate further
