These are the proven volumes that balance measurement accuracy with practical injection volumes
It's also important to let us know if you have any allergies (especially to cobalt or B12), or if you have Leber's disease, kidney problems, or are pregnant or nursing
For example, a 2019 study of over 9,000 adults found people with obesity had lower blood levels of vitamin B12 (8)
Choosing the right shot depends on your health goals, current diet, lifestyle, and any lab results or deficiencies
The injections improved the ability of the cells to methylate DNA, which is important for turning on or off the genes inside of a cell at specific times
Vitamin B12 deficiency can cause a variety of symptoms, and they can vary depending on the severity and duration of the deficiency