Dark chocolate helps restore flexibility to arteries while also preventing white blood cells from sticking to the walls of blood vessels. Both arterial stiffness and white blood cell adhesion are known factors that play a significant role in atherosclerosis. The scientists also found that increasing the flavanol content of dark chocolate did not change this effect.
The impact of chocolate consumption in vascular health and show that increasing flavanol content has no added beneficial effect on vascular health. However, this increased flavanol content clearly affected taste and thereby the motivation to eat these chocolates. So the dark side of chocolate is a healthy one. Dark chocolate with high flavanol content or chocolate that are similar cocoa mass contents are very good and important indicators of vascular health.