bad reaction to b12 injection Shots: Vitamin B12 Injections Benefits, Uses, Risks Vitamin B12 Injections: Good Or

arXiv preprint arXiv:2502.14239

The superior absorption of injections leads to faster symptom relief

Given the high heterogeneity, further studies are needed to confirm the results

131 , e148372 (2021)

Signs of Vitamin B12 Deficiency Some common signs that you may be deficient in Vitamin B12 include fatigue or tiredness, weakness, difficulty concentrating or thinking clearly, pale skin, dizziness or light-headedness, loss of appetite, weight loss, constipation or diarrhea, numbness or tingling in the hands and feet, sore tongue, headaches and vision problems

However, this study has some limitations that must be considered