what happens if you inject b12 into fat subq injection sites Instruction Guide for Intramuscular (IM) Self- injection of B12 Methylcobalamin 1mg/5mg B12 Injections for Weight Loss

Reusing needles when drawing doses risks contamination

Folic acid has also been shown to decrease vitamin B12 levels as well

High B12 blood serum levels can often mean: The body is having trouble converting, transporting and absorbing vitamin B12 into the cells where it's needed for intracellular and downstream processes The vitamin B12 in your serum is inactive and not able to be utilized You could also have contributing deficiencies in iodine, selenium, molybdenum, and/or B21 And it can also mean that youre getting a form of B12 in your diet (or vitamins) that is not converting well in your body for absorption (likely cyanocobalamin) Ironically, this is called a paradoxical B12 deficiency

Confirm the math against the new label before injection, especially when switching between GLP-1 agonists under medical supervision

Obesity Reviews (2004) 7