overdose of vitamin b12 injection B12: Symptoms, Dosage & Toxicity Risks Feeling worse after B12 Injection:

Following recommended schedules helps avoid overuse.

The Shoulder If someone is giving you a B12 injection in the shoulder, have them make a downward-facing v-shape with your thumb and forefinger over the deltoid (shoulder) muscle

Men may experience more pronounced abdominal and visceral fat reduction, while women may notice improvements in both truncal and lower body fat depending on receptor distribution and individual physiology

B12 shots are typically given in areas where theres ample muscle mass to absorb the vitamin efficiently

Week 1-2: Adjustment phase The first two weeks primarily involve physiological adjustment rather than visible results