Whilst true toxicity from too much vitamin B12 is exceptionally rare due to the body's natural excretion mechanisms, elevated B12 levels can occur and may signal underlying health conditions
Management: Typically resolves within the first week
The proposed mechanisms of accelerated tissue repair and reduced inflammation could theoretically improve recovery times and functional outcomes
The specific thresholds that should prompt dose reduction or discontinuation include: ALT or AST elevation exceeding 3 times the patient's baseline value, new or worsening coagulopathy (INR increase of 0.5 or more from baseline), albumin decline below 2.5 g/dL, or new clinical signs of hepatic decompensation such as worsening ascites, encephalopathy, or jaundice [5]
Why Do B12 Shots Require a Prescription
Although there are alternative options of B12 supplemantation, such as oral pills, Vitamin B12 injections are the most effective delivery approach as they are best absorbed by th body since they bypass digestion by the stomach and intestines