what amino acids are in glutathione Mode of action of acid Precursors (GAP) and functions Glutathione: A Powerful Antioxidant for
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Rockville (2001) Guidance for industry bioanalytical method validation, US Department of Health and Human Services, US Food and Drug Administration (FDA), Center for Drug Evaluation and Research (CDER), Center for Biologics Evaluation and Research (CBER)

OTHER INGREDIENTS: Sunflower lecithin, hypromellose (capsule), magnesium stearate

Yes, you can absolutely use both ingredients to target different layers of skin aging

[DOI] [PubMed] [Google Scholar] 52.Lim S.C., Tan H.H., Goh S.K., Subramaniam T., Sum C.F., Tan I.K., Lee B.L., Ong C.N
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