In short, B12 injections work, but differently based on your starting point: For those with low levels
Nat Genet (2018) 50(1):1209
How B12 Complements a Healthy Lifestyle While B12 injections offer significant benefits, they work better when they are combined with a balanced diet, consistent exercise, and quality sleep
Cellular Therapy and Stem Cells for Tinnitus offer a transformative opportunity to intervene at the molecular, cellular, and systems level to reverse the pathology and promote neuroaudiological recovery [6-10]
Flanagan JL, Simmons PA, Vehige J, Willcox MD, Garrett Q
Sole official appointed distributor for Gluta-C in the UK and EU