can b12 injections cause upset stomach Shots: Vitamin B12 Benefits, Uses, Risks Are Vitamin B12 Shots Right

B12 is not a thermogenic agent and does not suppress appetite in people who are not deficient

Haematological symptoms are among the most recognised manifestations

A few authors have proposed that folate may actually worsen the neurologic dysfunction

Seek routine GP appointment if you experience: Persistent unexplained fatigue lasting several weeks despite adequate rest Ongoing pins and needles or numbness in hands or feet Difficulty with memory, concentration, or cognitive function Persistent sore tongue or recurrent mouth ulcers Unexplained mood changes or low mood Pale skin or symptoms of anaemia (breathlessness, palpitations) These symptoms warrant investigation but are not typically medical emergencies