half life of b12 injection Vitamin Dosage B12 Deficiency: Still America's #1

Overgrowth of bacteria: Some people develop vitamin B 12 deficiency as a result of conditions that slow the movement of food through the intestines (diabetes, scleroderma, strictures, diverticula), allowing intestinal bacteria to multiply and overgrow in the upper part of the small intestine

Vitamin B12 plays a key role in various bodily functions, making it essential for maintaining optimal health

Nervous System Issues : Vitamin B12 injections can sometimes cause nervous system problems, such as numbness or tingling in the hands and feet, muscle weakness, or difficulty walking

Patients who have undergone gastric bypass or other bariatric procedures have surgically altered anatomy that reduces the absorptive surface area in the stomach and small intestine