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Cocoa beans contain caffeine, so the higher the percentage of cocoa in a chocolate bar, the higher its caffeine content. Likewise for coffee: Ounce for ounce, the more diluted the coffee drink, the less caffeine.
Report Abuse. Chocolate contains some caffeine, which is addictive. It is more likely that you are addicted to the sugar in the chocolate left around the house! Dark choc - 70% coco + does have some health benefits-it contains 'good fats'. The 85% coco choc is really bitter and you really can't eat very much of it!eport Abuse. Chocolate contains some caffeine, which is addictive. It is more likely that you are addicted to the sugar in the chocolate left around the house! Dark choc - 70% coco + does have some health benefits-it contains 'good fats'. The 85% coco choc is really bitter and you really can't eat very much of it!