Dark chocolate has a high cocoa content and is rich in antioxidants, fiber, magnesium, iron, copper, manganese, zinc, and selenium. Dark chocolate is much lower in sugar and calories compared with milk chocolate and also contains a little caffeine.
In this meta-analysis of randomized controlled trials, supplementation with cocoa improved several parameters related to cardiometabolic risk, including blood pressure, LDL cholesterol, and triglycerides.
Can dark chocolate prevent exercise-induced leaky gut?