Health and Nutrition
Dark Chocolate and Diabetes: Surprising Health Benefits Backed by Research
Studies show that eating dark chocolate in moderation may reduce the risk of type 2 diabetes and support blood sugar balance.
- Yitzhak Eitan
- פורסם 16 Iyar 5785

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If you’re someone who just can’t skip that piece of chocolate after a long day, science might actually be on your side. A large-scale study spanning three decades and analyzing data from over 192,000 health professionals found that eating dark chocolate may offer real health benefits, including a reduced risk of developing type 2 diabetes.
According to findings shared by clinical dietitian Shirley Malka, participants who ate five or more servings of dark chocolate per week had a 21% lower risk of diabetes compared to those who rarely consumed it. The secret? Flavonoids- the powerful antioxidant and anti-inflammatory compounds found in cocoa.
Dark chocolate contains a higher percentage of cocoa- typically 50% or more- which means it has less sugar and more nutritional value than milk chocolate. It also causes a slower rise in blood sugar levels thanks to its lower glycemic index.
The active compounds in cocoa, especially flavonoids like flavan-3-ols, have been shown to improve insulin sensitivity, support healthy blood vessels, and slow sugar absorption in the gut- all of which can naturally help regulate blood glucose levels.
Still, dark chocolate is calorie-dense and high in fat, and moderation is therefore key. Experts recommend choosing varieties with at least 70% cocoa for maximum benefit. As Malka puts it: “The health benefits are real, but as always, it’s the dose that makes the difference.”