Its important to obtain such injections from a reputable, licensed pharmacy to ensure proper quality and sterility
Clinically, however, the evidence is mixed : Vitamin B12 has a well-established role in energy metabolism, especially in deficient individuals
Many people are candidates for a b12 shot, but those who are over 50, smoke, abuse alcohol, have been diagnosed with diabetes, or stick to a vegetarian or vegan diet can all be at an increased risk of a vitamin b12 deficiency and greatly benefit from this shot
How often should you get B12 shots for the best results
But, if your symptoms are more severe, you might need a higher dose or injections
I bought extra when Brexit was becoming a reality half knowing I could still be using it once the use by date had finished