Harvard Health Letter

Should you work chocolate into your diet?

Certain compounds in chocolate, called cocoa flavanols, have been shown to boost health, but the amount of flavanols in chocolate is not always listed. As a general rule, dark chocolate has more cocoa and therefore more flavanols than milk chocolate, but the amount can vary enormously depending on how the chocolate has been processed. The best way to get cocoa flavanols is from unsweetened cocoa powder that has not been processed using the Dutch method. This method includes alkali to reduce acidity, but reduces the flavanol content.
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