The 2024 NICE guideline on B12 deficiency in over-16s is built around identifying and treating the cause, not just topping up the number
For severe reactions (hypertension, allergic response): Discontinue immediately and seek medical attention
Regarding the form of vitamin B12 used, cyanocobalamin was the most common (n = 14), followed by methylcobalamin (n = 6), hydroxocobalamin (n = 4), and combinations including adenosylcobalamin in isolated cases
Mathew B, Amaechi C, Asante K, Albuquerque E, Benedict A, Kneeream E, Lopez L, et al
Most of the time, the advantages of B12 shots are greater than these low risks, especially if you have low B12 levels
Active Ingredients (Per Vial): GHK-Cu 50mg A copper-binding tripeptide studied for its role in collagen synthesis, cellular regeneration signaling, and extracellular matrix remodeling in laboratory research models