b12 injection side affects effects : r/B12_Deficiency B12 Shot Guide: Benefits, Dosage
Description
Severe nausea requiring medication discontinuation affects approximately 2-4% of users
It is not intended for human consumption, medical use, or veterinary application
While sublingual and oral spray formulations are available, there is no robust evidence that they offer superior absorption compared to standard oral tablets
This points to the possibility that the peptide could influence extracellular matrix maintenance, hydration, and skin barrier strength in laboratory settings
Allergy 62 (11), 13411342
