Beetroot supplementation lowers daily systolic blood pressure in older, overweight subjects.
Jajja A, Sutyarjoko A, Lara J, Rennie K, Brandt K, Qadir O, Siervo M. Beetroot supplementation lowers daily systolic blood pressure in older, overweight subjects. Nutr Res. 2014 Oct; 34(10):868-75.