Vitamin B12 injections may benefit people experiencing fatigue, low energy, weakness, or those diagnosed with B12 deficiency
This is summarized in Table 2
The cardiovascular and respiratory side effects include chest pain, tachycardia (increased heart rate), heart palpitations, low blood pressure, and chest tightness, cough with or without production of pink frothy sputum, wheezing and difficulty breathing
Neuroprotection research includes hippocampal ischemia-reperfusion models in rats (PMID 32558293) and investigations into the brain-gut axis as a candidate explanatory framework for the broad effects observed across tissue types (PMID 27138887)
Benefits of Vitamin B12 Injections Vitamin B12 injections may help support: Energy production Reduced fatigue Brain function Healthy nervous system Red blood cell production Mental focus Improved wellbeing Better metabolism Benefits vary depending on whether you have an underlying Vitamin B12 deficiency