glutathione im booster shot Vitamin Injections - B-12, Glutathione

[Although there is much on this in deeper data this paper gives some good overview PMCID: PMC3654245]

It is a non-invasive and affordable medical treatment that can help your body burn fat more efficiently: Methionine Inositol Choline B12 (MIC B12) injections

Curr Top Med Chem 22:18111820 Ayaz M, Sadiq A, Mosa OF, Zafar TA, Eisa Hamdoon AA, Elkhalifa MEM, Elawad MA, Ahmed A, Ullah F, Ghufran M (2022b) Antioxidant, Enzyme Inhibitory, and Molecular Docking Approaches to the Antidiabetic Potentials of Bioactive Compounds from Persicaria hydropiper L

These effects typically manifest over about three weeks, although the timeframe can vary based on the frequency of treatments and individual metabolism