Tyrosinase is the enzyme responsible for melanin synthesis
Treatment with mazdutide was also associated with improvements in metabolic parameters, including reductions in HbA1c (1.27%), fasting glucose levels, blood pressure, and lipid profiles, such as total cholesterol and triglycerides
This remains an area of active research rather than established clinical practice, and until adequately powered, randomised controlled trials assess the safety and efficacy of this specific combination, clinicians and patients should approach any claims about its benefits with appropriate scepticism
Endocrinology 152 (9), 33623372 (2011)
Many people seek glutathione injections for benefits like a more even skin tone, reduced dark spots, and improved radiance
That is not what these injections are for, and treating a large area in someone outside a healthy weight range would not have given her the result she wanted or been safe