Fruit benefits that increase blood flow by 45% and turn back the clock 10 years "It is an important finding that the ease of intake of blackcurrant extract can act as a preventive medicine to provide a beneficial effect on our blood vessels." According to the professor, these compounds can act as a buffer against cardiovascular defects that contribute to high blood pressure. High blood pressure is often called the "silent killer" because it is one of the leading causes of death worldwide. It is behind countless cases of heart failure, coronary artery disease, stroke, peripheral artery disease, and vascular dementia. Black currant is a good source of potassium and linolenic acid, both of which have scientifically proven benefits for hypertension and cardiovascular health. While potassium can lower blood pressure, GLA helps heart cells resist damage and slows the build-up of platelets in blood vessels.