T4 plays a central role in how cells move, how wounds close, and how tissue regenerates after injury
It works by stimulating angiogenesis (the growth of new blood vessels), improving blood flow to injured areas and supporting the migration and proliferation of healing cells (Gwyer et al., 2019)
Therefore, before establishing expectations on B12 shots, you should talk to your doctor to see if you need to adopt a healthier lifestyle or take additional supplements in addition to B12 injections
You will likely see better results from injections if: You have digestive issues like IBS, Crohns, or Celiac disease
The NIH reports that only about 10 micrograms of a 500-microgram oral supplement are actually absorbed in healthy people due to limitations of stomach acid and intrinsic factor
It's the most common IV fluid and the standard for medication dilution in clinical practice