Posted on Jul 29, 2016, 6 a.m.
Arginine, cysteine, glutamic acid, glycine, histdine, leucine and tyrosine improve measures of peripheral and central blood pressure, among women
Amino acids are the building blocks of proteins – key components of muscle and tissue throughout the body. Amy Jennings, from the University of East Anglia (United Kingdom), and colleagues studied 1898 female twins, ages 18 to 75 years, surveying eight subjects for their intake of seven amino acids associated with cardioprotective activity. The team conducted diagnostics to assess arterial stiffness and atherosclerosis. The analysis revealed that higher intakes of arginine, cysteine, glutamic acid, glycine, histdine, leucine and tyrosine associated with decreases in central systolic blood pressure, pulse wave velocity, and mean arterial pressure – key markers of arterial health. The study authors write that: "These data provide evidence to suggest that intake of several [amino acids] is associated with cardiovascular benefits beyond blood pressure reduction in healthy women.”
Jennings A, MacGregor A, Welch A, Chowienczyk P, Spector T, Cassidy A. “Amino Acid Intake Is Inversely Associated with Arterial Stiffness and Central Blood Pressure in Women.” J Nutr. 2015 Jul 22. pii: jn214700.