Recent publications and seminal studies in the field were preferentially included
"Effects of Three Oral Nutritional Supplements on Human Hydration Indices"
7 Choline chloride - is an important component of phospholipids, affects mobilization of fat from liver (lipotropic action), acts as methyl donor, and is essential for formation of neurotransmitter acetylcholine
105:1213-1223 [PubMed: 30457671] 16
Similar to other peptide-bound GLP-1R structures 13, 16 , exendin-4 and oxyntomodulin adopted a continuous alpha helix, with their C-terminus bound within the ECD and their N-terminus bound deep within the TMD forming extensive interactions with residues within TM1, TM2, TM3 TM5, TM6, TM7 and ECL2 (Figures 1-2, Supplemental Figure 4)