Injecting B12 into fat means placing the vitamin into the subcutaneous layer, the soft fatty tissue that sits between your skin and your muscle
The idea of getting the vitamins via needle might be a little intimidating
The same applies if your elevated B12 is accompanied by abnormal results on other labs (liver enzymes, kidney markers, CBC), or by symptoms like unexplained weight loss, persistent fatigue, abdominal pain, or easy bruising
Overall, glutathione is considered to have a favorable safety profile when used as directed, but the long-term safety of high-dose or chronic use has not been fully established
Resources like SeekPeptides have documented these patterns extensively, providing researchers with tools to navigate nutrient management during GLP-1 therapy