The effects of repeated administration of camphor-crataegus berry extract combination on blood pressure and on attentional performance - A randomized, placebo-controlled, double-blind study

Greater increases in blood pressure occurred after the four Korodin® administrations in comparison to the four placebo administrations. The performance in two parameters of d2 Test of Attention was consistently superior after the intake of Korodin®. The excellent tolerability and safety of Korodin®, even after a total consumption of 80 drops, was confirmed.