vitamin b12 injection urine color Not all that is red is blood: a curious case of chromaturia Does a B12 shot change

Intramuscular injections typically produce early haematological responses within 34 days, whilst neurological symptoms may begin improving within 12 weeks

Are Oral Supplements or B12 Injections Better

The FDA does not review or approve any compounded medications for safety or effectiveness

Much easier to absorb

Research shows that people who used semaglutide had lower vitamin B12 levels (they also had bariatric surgery before using semaglutide), and another study concluded that people with obesity had lower B12 levels

Research progress Support The animal experiments have achieved remarkable results: In the obese mouse model, after daily subcutaneous injection of AOD 9604 (250 g/kg) for 8 weeks, the body weight of the mice decreased by 12%, the subcutaneous fat mass decreased by 25%, and the weight of epididymal adipose tissue significantly decreased, confirming its effectiveness in fat reduction