Poll BG, Xu J, Jun S, Sanchez J, Zaidman N, He X, Lester L, Berkowitz DB, Paolocci N, Gao WB, Pluznick JL.  Acetate, a Short-Chain Fatty Acid, Acutely Lowers Heart Rate and Cardiac Contractility along with Blood Pressure.  J Pharmacol Exp Ther. 2021 Jan 7.  https://pubmed.ncbi.nlm.nih.gov/33414131/