Protein & Nutrition Blog – Marmels

Bar chart of skin trial results with high-flavanol cocoa: UV redness down 15 percent at 6 weeks and 25 percent at 12 weeks, and skin roughness down 9 percent at 24 weeks versus 1.3 percent with placebo

by Mo Mandegar, PhD on Jun 29 2026

"Eat dark chocolate for glowing skin" is part true and part wishful. Real randomized trials found that about 320 milligrams of cocoa flavanols a day improved skin elasticity and cut ultraviolet (UV) induced redness by roughly 25 percent over 12 weeks. The catch is dose: a single square delivers far less. Here is what the research actually shows, and how chocolate fits into skin health.

#antioxidants
#cacao
#cocoa flavanols
#dark chocolate
#skin health

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