Whilst B12 plays an essential role in energy metabolism, red blood cell production, and nervous system function, there is no evidence that supplementation increases energy in individuals with normal B12 status
Danilkovitch-Miagkova A, Miagkov A, Skeel A, Nakaigawa N, Zbar B, Leonard EJ
This can be verified via the MHRA's medicines database and the EMA's medicines register
Furthermore, the liver metabolizes many nutrients before they ever reach the general circulationa process known as the first-pass effect. With iv therapy for skin , we bypass these barriers
If you struggle to read that precisely, your provider might start you on a 2.5mg/mL vial where the same dose equals a more readable 10 units