If your symptoms suggest you need GP assessment or further testing, well recommend that route
More energy An increasing number of people are turning to B12 injections as a way to boost energy, often so they can get more exercise and lose weight in the process
B12 injections provide significant benefits including increased energy levels, improved mood, cognitive function, and alleviation of deficiency symptoms, especially for at-risk groups like older adults and those with digestive disorders
Low Levels of Serum Total Vitamin B12 Are Associated with Worse Metabolic Phenotype in a Large Population of Children, Adolescents and Young Adults, from Underweight to Severe Obesity
Eat a Light Meal: While not strictly required, having a light snack before your appointment can help prevent any feelings of lightheadedness if you are sensitive to needles
Allergic reactions , though rare, represent the most immediately concerning complication