For most adults seeking to correct a deficiency or maintain optimal wellness, a b12 iv dose of 1,000 mcg (1 milligram) is the clinical gold standard
doi: 10.3389/fphar.2021.632295 Received 07 December 2020 Accepted 13 April 2021 Published 10 June 2021 Volume 12 - 2021 Edited by Chiara Bianca Maria Platania, University of Catania, Italy Reviewed by Doreen Schmidl, Medical University of Vienna, Austria Francesca Lazzara, University of Catania, Italy Updates Copyright 2021 Zlatar, Kokot, Vuletic, Masnec, Kralj, Perisa, Barisic, Radic, Milanovic, Drmic, Seiwerth and Sikiric
Both peptides are not approved medicines
Reactions to the B12 itself could also occur, but they are extremely rare
time-to-plateau lengthens with dose
So that might leave you to ask, Whats the harm in trying even if its a placebo effect? Because thats what trying peptides like BPC-157 comes down to: being your own little experiment, minus the safeguards or informed consent of a clinical trial