Protein & Nutrition Blog – Marmels

Bar chart comparing daily flavanol delivery for common evening sweet options against the 200-milligram European Food Safety Authority (EFSA) target, with a daily dark chocolate serving highlighted as the practical sweet spot

Protein & Nutrition Blog – Marmels

Can You Eat Dark Chocolate Every Day? A Practical Guide

by Mo Mandegar, PhD on May 17 2026
Can you eat dark chocolate every day? Recent research from Harvard,the COSMOS trial, and the European Food Safety Authority (EFSA)points to a clear daily-habit recipe: 20 to 30 grams of 60 to 80percent cacao, eaten consistently rather than in big servings.Here is the dose-response data, the flavanol math, and how thedaily evening square compares to its competitors for the same slot.