numbness in bicep after b12 injection Vitamin Shots: Do They Actually Work? B12 Injection Dosage and Frequency:

Unlike beta-1 receptors in cardiac tissue or beta-2 receptors in smooth muscle, beta-3 receptors are predominantly expressed in adipose tissue and bladder, with limited cardiovascular effects

Your body can store B12 in the liver for up to 4 years, which is why it can take years to know you have a deficiency within your diet and that your stores are depleted

These figures are not extrapolated from a human trial (there isnt one) and they are not scaled from the mouse papers

Sign- Heart Palpitations The pounding, fluttering or irregular beating of our heart may not always be the feeling of love, it can also be a sign of B12 deficiency

[DOI] [PubMed] [Google Scholar] 11.North BJ, et al