intramuscular vitamin b12 injections C and Injection Techniques B12 Shot | The IV

[18] Some proponents claim B12 injections enhance metabolism and promote fat loss by increasing energy levels, thereby encouraging greater physical activity and caloric expenditure

Vitamin B12 is also necessary for maintaining the health of your nervous system

Inactive form

In lean subjects, NNMT activity in adipose tissue tends to be low

In a clinical trial of semaglutide injection for weight loss (Wegovy) in patients with T2DM and a BMI of 27 kg/m2 or more, hypoglycemia (defined as a plasma glucose less than 54 mg/dL) was reported in 6.2% of semaglutide-treated patients versus 2.5% of placebo-treated patients

(23) How Long Does It Take Vitamin B12 To Work