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10.3389/fimmu.2021.652782 110 WeiM.ZhengZ.ShiL.JinY.JiL
Vitamin B12 injections play an essential role in helping your brain to function better and the production of DNA as well as red blood cells, which can be very effective especially to those who live by a vegan or vegetarian diet lifestyle, as their diet does not contain the natural vitamin B12 supplements needed in their foods that they regularly consume
Bibcode:1955Natur.176..325H
While this sounds encouraging, we must recognize this was not a controlled trial there was no placebo group, and the patients (and doctors) knew they were receiving the peptide
