Other herbivores obtain low levels of B12 in their diets through soil and faeces, which also contain B12-producing microorganisms
This is clinically relevant because obesity itself is associated with numerous health conditions that might influence treatment tolerance, including metabolic syndrome, cardiovascular disease, sleep apnea, and hepatic steatosis
B12 injections offer a more direct and reliable solution
Vitamin B12 injections are primarily recommended for individuals who have a confirmed B12 deficiency or conditions that impair their ability to absorb B12 from food
Both pills and injections have excellent safety profiles
Oral administration may work for some compounds, but without pharmacokinetic validation, it introduces uncontrolled variability