acetyl-l-carnitine nct clinical trials als Willner Chemists A Comprehensive Review of Safety,

Cell Chem Biol (2019) 26(5):62333.e9

Shepard C

Research from 2018 suggests an oral melatonin supplement might also help treat GERD symptoms

Arch Med Res 37 : 880882

Some of these hypotheses assume a pivotal role for metabolic or mitochondrial dysfunctions (Naviaux et al., 2016), while others follow vascular hypotheses implying that endothelial dysfunction and/or general vascular failure may cause inadequate perfusion of both the periphery and the brain (Wirth and Scheibenbogen, 2020)

People with stomach and intestinal conditions such as celiac disease and Crohns disease may struggle to absorb enough B12 from their food