Treatment typically involves vitamin B12 supplementation, either through oral supplements or injections, depending on the severity of the deficiency and underlying causes.
If you cant find 4-5 mm needles, 6-8 mm ones can also be suitable as long as you inject into an area with enough fat, such as around the belly button
It plays a key role in: What Is Vitamin B12 and Why Do You Need It
From my experience as a medical professional, B12 injections do play a role in improving energy levels, especially for those who are B12 deficient
Changes to the treatment plan are made based on these checks to help patients get the best results
Serious adverse events have not been widely reported, but this may reflect the relatively small number of people who have used the compound and the limited reporting mechanisms available