why would someone need vitamin b12 injections vs Pills: Richmond's Complete Guide What Are B12 Injections? And

DHT (dihydrotestosterone) drives the progressive shrinking of hair follicles, causing hair to become thinner and shorter over successive cycles until the follicle becomes dormant

Some individuals have genetic or metabolic variations that affect B12 handling, absorption, or utilization

The most common side effects are mild and may include pain or redness at the injection site, mild diarrhea, nausea, or a feeling of swelling all over the body

Increased energy levels: Many patients report improved energy and motivation following injections supporting more consistent physical activity

They may develop a loss of energy and appetite and failure to thrive, which if not treated on time can lead to coma and death