b12 vs lipotropic injections Injections: UK Clinical Evidence – Bolt Pharmacy ✨ B12 vs. Lipotropic Plus

A 2021 peer-reviewed review of NNMT in obesity and type 2 diabetes states explicitly that 'clinical trials targeting NNMT have not been reported' meaning every quantitative efficacy figure available for this compound comes from mice, and there is currently zero published human efficacy data

doi:10.3390/nu6051861

Additionally, zinc supports protein synthesis, wound healing, and a healthy gut barrier by promoting the formation of tight junction proteins between intestinal epithelial cells

If anything, most studies seemed to trend towards higher B12 levels being protective, as you can see below and at 2:03 in my video