Protein & Nutrition Blog – Marmels

How Much Sugar Is in Dark Chocolate?

Protein & Nutrition Blog – Marmels

How Much Sugar Is in Dark Chocolate?

by Mo Mandegar, PhD on Aug 20 2026
Two bars on the same shelf both say "dark chocolate." One is 47% cacaoand one is 72%, and the first holds roughly twice the sugar. Thepercentage on the front of the wrapper is a sugar ceiling in disguise:70-85% cacao averages about 24 grams of sugar per 100 grams, while45-59% averages 49. Here is the full breakdown by tier, what thosegrams mean against a daily budget, and the three things the percentagewill not tell you.