which is the best b12 injection Methylcobalamin (Vitamin B12) B12 Injections vs. IV Drips:

Data that remained non-normally distributed and/or heteroscedastic after log transformation were analyzed (not log-transformed, but still 1e13-transformed) with a KruskalWallis test, while normally distributed and homoscedastic data were analyzed with a one-way ANOVA, performed on the log-transformed data as necessary

Pharmacokinetic studies in rats demonstrated an oral bioavailability of 38.4%, with a mean Cmax of 2,252 ng/mL and terminal elimination half-lives of 3.80 1.10 hours (IV) and 6.90 1.20 hours (oral) (Awosemo et al., 2021)

Vitamin B12 is a water-soluble vitamin

Any excess is typically excreted in the urine, lowering the risk of toxicity