Adding more ambiguity to the situation is the fact that this product is considered a research supplement and has yet to be registered with the FDA as a dietary supplement
Syringe Size, Gauge, and Needle Length Syringe size, gauge, and needle length are major product details, but they are not the same thing
This is because vitamin B12 is absorbed by first combining it with a protein called intrinsic factor produced in the stomach, then the B12 has to travel down the small intestine to an area called ileum for it to be absorbed properly
For Patients Without a Prior Diagnosis or Prescription: The medicine may be offered if the patient displays signs or symptoms of vitamin B12 deficiency
Deficiency is widespread in the UK due to limited sunlight exposure, and is particularly prevalent in those with chronic illness, darker skin tones, or conditions affecting fat absorption