Take photos and measurements, not just scale weight
Nitrous oxide, a commonly used anesthetic, oxidizes and inactivates vitamin B 12 , thus inhibiting both of the vitamin B 12 -dependent enzymes, and can produce many of the clinical features of vitamin B 12 deficiency, such as megaloblastic anemia and neuropathy
In addition, as we age, our ability to absorb B12 from food declines, which puts the elderly at higher risk of deficiency
however, it lacks the conserved active site serine, which has been replaced by an asparagine (66)
Injection Sites and Rotation Practices To avoid problems like muscle irritation or nerve damage, its vital to change where you inject