normal b12 injection dose Dosage and Frequency: 7 Guidelines for Adults Vitamin B12 Injection Dosage |

The NIH Vitamin B12 Fact Sheet for Health Professionals notes that oral supplementation is appropriate for many patients who do not have intrinsic factor deficiency

It is available only as a research chemical with "not for human consumption" labeling

This solution is used mainly for injections and is intended to prolong the shelf life of the preparation

If so, you could have a vitamin deficiency

Unlike the full hormone that affects growth, this fragment appears to specifically target fat cells in experimental settings

Mood Changes : There have been anecdotal reports of mood swings or changes in emotional well-being, likely due to the changes in energy metabolism