Headache or Dizziness Some individuals may experience headaches or dizziness following a B12 injection
Because injections do not rely on stomach acid or intrinsic factor, a much larger and more reliable share of the dose reaches your bloodstream, even when gut absorption is poor
Signs your B12 levels might be low If you are wondering if your B12 levels might be low, look for these common red flags that often suggest your body is struggling to keep up: Persistent fatigue
If this happens to be the direct result of a deficit in localized methylation in scalp tissues, then vitamin B12 might help improve methylation and thereby improve Wnt / -catenin signaling, which would allow for hairs to grow longer, shed less prematurely, and (hopefully) not miniaturize as quickly
Fans of the Wolverine stack believe that using both together covers more ground than either one alone
The trade-off is larger injection volumes at standard doses: a 2.5mg dose requires 75 units, and a 5mg dose requires 150 units (two syringe draws)