is it 3 yrs.old good take b12 injection Vitamin Injections: What You Need To Know B12 Shots at Home: How,

After 4 weeks we recommend getting an injection of B12 two times a month for 2 months, then B12 shots can be helpful monthly (1 x a month) as maintenance

10.1016/s1474-4422(12)70238-7 Lancet Neurol

In fact, one of the first signs of vitamin B12 deficiency is fatigue

The study was approved by the Research Ethics Committee, Liaquat University of Medical & Health Sciences, Jamshoro, Pakistan (Ref

Consultation and suitability checks Youll be asked about: Your symptoms and health history Any known deficiencies and relevant blood test results (if you have them) Current medications and supplements Allergies (including metal allergies such as cobalt) Pregnancy/breastfeeding status where relevant B12 injections are not a replacement for medical investigation when symptoms are significant, worsening, or unclear

People taking metformin Metformin, commonly prescribed for type 2 diabetes, is independently associated with reduced B12 absorption