acetyl l carnitine side effects anxiety L-carnitine and Acetyl-L Carnitine: A Possibility for Treating Alterations Induced by Obesity in the Central Nervous System | Neurochemical Research Carnitine and Depression - PMC

Most of the mutations in SLC22A5 are missenses mutations but nonsense, splice site, and deletion/insertion mutations have also been identified

MBio 10, e00632e00619

Again this is rare and likely has more to do with preservative and other things in the injection other than cobalmin since our bodies need this molecule to survive

Down-regulation of th1 responses in human neonates

Mitochondrion 54 , 17 (2020)

Aging 12:1543615445 Xu X, Liu X, Tan L, Cui Z, Yang X, Zhu S, Li Z, Yuan X, Zheng Y, Yeung KWK, Chu PK, Wu S (2018) Controlled-temperature photothermal and oxidative bacteria killing and acceleration of wound healing by polydopamine-assisted Au-hydroxyapatite nano rods