Vitamin B12 shows no heart attack benefit
Borowczyk K, Piechocka J, Głowacki R, Dhar I, Midtun Ø, et al. Urinary excretion of homocysteine thiolactone and the risk of acute myocardial infarction in coronary artery disease patients: the WENBIT trial. J Intern Med. 2019;285:232. doi:10.1111/joim.12834
Vitamin B12 ineffective for heart attack
Sikora M, Skrzydlewski P, Perła-Kaján J, Jakubowski H. Homocysteine thiolactone contributes to the prognostic value of fibrin clot structure/function in coronary artery disease. PLoS One. 2022;17:e0275956. doi:10.1371/journal.pone.0275956