Creatine improved circulation, lowered blood pressure
Athletes have traditionally used creatine to build strength and speed for short bursts of high-intensity exercise, but few studies have tested creatine for its effects on circulation. In this study, 40 healthy, moderately active men, average age 28, took 20 grams of creatine per day.

After one week, there was little or no change in resting pulse, body mass or signs of inflammation, but systolic and diastolic blood pressure decreased by 1.8 and 1.5 mmHg respectively.

Blood flow through the smallest blood vessels, known as capillaries, improved and density of capillaries nearest the skin also increased, contributing to better blood circulation. Doctors now plan studies in those with impaired circulation.
Reference: Nutrition Journal; 2014, Dec. 15; 13(1):115.
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