Third, they support the safety of repeated treatment cycles, as prior exposure does not appear to sensitize the immune system
Symptoms of vitamin B12 and folic acid deficiency anemia include: Shortness of breath Headache Indigestion Loss of appetite Heart palpitations Vision problems Feeling weak or tired Diarrhea Pain or redness of the tongue, sometimes with mouth sores Problems with memory, comprehension, and judgment (cognitive changes) Some of these symptoms may also occur in people who are deficient in vitamin B12 or folic acid but are not anemic
Stanford University School of Medicine Harvard Medical School Bridgewater State University Frequently asked questions 01 What is the best treatment for low energy
For patients seeking weight loss who request B12 injections, GPs should: Assess for genuine deficiency through appropriate blood tests rather than empirical treatment Provide education about the lack of evidence supporting B12 for weight loss in non-deficient individuals Explore underlying concerns about weight and energy levels, addressing these through appropriate channels Signpost to evidence-based resources such as NHS weight management services according to local pathways Patients should contact their GP if they experience unexplained fatigue, neurological symptoms (numbness, tingling, balance problems), or signs of anaemia (pallor, breathlessness, palpitations), as these may indicate B12 deficiency requiring investigation