how often should b12 injections be taken Vitamin Injections: Ideal Dosage & Frequency for Men's Health How Often Should I Get

Yes, since you are injecting amino acids and vitamin B12, it is possible to have an allergic reaction

Reduced serum levels of vitamin B12 occur in up to 30% of people taking long-term anti-diabetic metformin

If a lack of vitamin B12 prevents the brain from making these chemicals, you may experience common depressive symptoms, like: Anxiety Irritability Sadness Restlessness Additionally, a B12 deficiency can: Lead to increased amounts of the amino acid homocysteine, which can make depression worse [9]

Vitamin B12 Deficiency People most at risk for vitamin B12 deficiency include those over the age of 65, vegans and vegetarians (who often dont eat enough animal products), people who have gastrointestinal diseases like Crohns disease or celiac disease, and anyone who has had part of their gastrointestinal tract removed through gastric bypass or another type of surgery, Wright says