If injectable products are used in a clinical setting, they should follow safe injection practices
Vitamin B12, which appears in foods like meat, dairy, eggs and more, helps your body to: Convert food into fuel Make red blood cells Support brain and nerve function Regulate mood and focus Its also critical for maintaining a healthy metabolism and energy levels
However, certain conditions, such as digestive disorders, can interfere with the absorption of B12
Studies in a Mexican population, for example, identified associations between specific NNMT variants and these metabolic traits, suggesting NNMT-related DNA differences track with energy handling
Worse still, could B12 shots make you feel even more tired and fatigued than before starting the injections