When you have a vitamin B12 deficiency you might start to feel very tired, lack energy, experience muscle weakness, pins and needles or problems with your memory
You may hear a slight hiss as the needle punctures the stopper, which is completely normal
Be sure to disclose this history at your initial consultation
Vitamin B12 shots are quick and well-tolerated, with minimal discomfort at the injection site
Further, co-occurrence of autoimmune atrophic gastritis with other autoimmune conditions, especially autoimmune thyroiditis and type 1 diabetes mellitus, has been reported (11, 12)
GLP-1R effects on the vagus nerve can produce a general sense of tiredness