can b12 injections cause skin rash Possible allergic reaction to injections?? : r/B12_Deficiency The Impact of Vitamin B12

Metformin, commonly used in diabetes management, has been associated with reduced vitamin B12 absorption, potentially through effects on calcium-dependent vitamin B12-intrinsic factor absorption in the terminal ileum

Research from the NCBI explains that those with severe deficiencies or trouble absorbing B12 might need regular doses to keep their levels steady

Adults pursuing weight management, energy support, or general metabolic wellness who meet clinical eligibility criteria

Weve shared important steps for safe and effective treatment

More severe side effects include: Advertisement It can be difficult to diagnose vitamin B12 deficiency because you may not have symptoms, or symptoms can be like other nutritional deficiencies