The effect of acute endurance exercise after three different doses of garlic supplementation on coagulating factor VIII, fibrinogen and systolic and diastolic blood pressure in young athletic men

The effect of acute endurance exercise after different garlic doses on coagulation factors and blood pressure are not clear. The aim of this study was  to assess the effect of an acute endurance exercise after three garlic doses and acute endurance exercise on factor VIII, fibrinogen and systolic and diastolic pressure in young athletic men.

Fifteen runners (age 27.0±7.9 years; weight 73.9±6.4kg, height 175.3±4.3 cm) voluntarily participated in this study. Subjects took garlic doses (500, 750 and 1000 mg) and placebo in separate sessions. In each session, 4 hour after the supplement or placebo, subjects performed 30 min running on treadmill, 65-85% target heart rate. Blood samples were taken before supplementation, before and immediately after exercise. The difference between doses of garlic after acute endurance exercise were analyzed with ANOVA-repeated measure and Bonferroni. The difference between garlic doses and placebo were analyzed with dependent t-test.

An acute endurance exercise after three dosages significantly increased FVIII, fibrinogen and systolic blood pressure (P˂0.05). The increase of FVIII and Fibrinogen after 500 mg compared to 1000 mg of garlic and an acute endurance exercise was significantly more decreased (P˂0.05). However, an acute endurance training with 1000 mg compared to 500 mg of garlic significantly lower increased systolic blood pressure (P˂0.05). There were no significant difference in diastolic blood pressure after acute endurance exercise and garlic (P>0.05).

Dose of 500 mg compared to 1000 mg of garlic after an acute endurance exercise is the most effective dose for reducing FVIII and fibrinogen. After an acute endurance exercise, 1000 mg compared to 500 mg of garlic is the most effective dose for reducing systolic blood pressure.