Two things matter here
Liraglutide is the active ingredient in two well-known brand-name GLP-1 injections: Victoza, prescribed for type 2 diabetes (typically at doses of 1.2 mg to 1.8 mg per day), and Saxenda, used for weight loss (at a higher daily dose of 3 mg)
This early cosmetic enhancement proves encouraging but shouldn't be mistaken for actual dark circle reduction requiring substantially longer peptide treatment duration as described in SeekPeptides timeline guides
Many sulfonamide derivatives of metformin exerted cytotoxicity in human breast cancer cells (MCF-7 or MDA-MB-231, or both) induced particularly by methylated phenyl sulfonamides and was associated with their ability to arrest the cell cycle in the G0/G1 phase and subsequently to cause apoptosis (Torunoglu et al., 2023)
Brim H, Taylor J, Abbas M, Vilmenay K, Daremipouran M, Varma S, Lee E, Pace B, Song-Naba WL, Gupta K, Nekhai S, ONeil P, Ashktorab H (2021) The gut microbiome in sickle cell disease: characterization and potential implications