Acknowledgments The authors would like to acknowledge the research team in the Department of Tissue Engineering and Regenerative Medicine (DTERM), Faculty of Medicine, Universiti Kebangsaan Malaysia, for the technical support throughout this review
It allows muscles to utilise glucose more efficiently
Between 2015 and 2023, the FDA issued 14 warning letters to companies selling glutathione products, nearly all for one of three violations: making unapproved disease treatment claims, selling adulterated products (contamination with heavy metals or incorrect active ingredient levels), or marketing injectable glutathione without a prescription
Curcumin (Figure 3) has historically been used in Asian medicine as an anti-inflammatory, antioxidant, and anticarcinogenic agent
Researchers might consider how this combination could lead to more robust or sustained metabolic improvements compared to using either peptide alone
Apply retinoid at night, GHK-Cu serum in the morning or on non-retinoid nights