Competing Interests Professor Melanie Davies has acted as a consultant/advisor and speaker for Eli Lilly, Novo Nordisk and Sanofi, has attended advisory boards for Abbvie, Amgen, AstraZeneca, Biomea Fusion, Carmot/Roche, Sanofi, Zealand Pharma Regeneron, GSK and EktaH and as a speaker for AstraZeneca and Boehringer Ingelheim
257, no
However, its crucial to note: *There is no official medical approval in Malaysia for glutathione as a skin whitening treatment
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**Quality of Supplements**: The quality of glutathione supplements can vary significantly between manufacturers