Some people require additional B12 due to a health condition however it can also be administered as a vitamin supplement
However, mild and temporary effects may occasionally occur, including: Most patients experience no side effects only steady, noticeable recovery
Innate Immune Defense Peptides Antimicrobial peptides (AMPs) are short, positively charged peptides produced by epithelial cells and immune cells as first-line defenses against microbial invasion
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