(qlmbusinessnews.com . Sun 13th Jul, 2025) London, UK —
New Study Reveals Dark Chocolate Can Reduce Diabetes Risk by 21%
Researchers have found that indulging in dark chocolate several times a week, without opting for its milk chocolate counterpart, could be linked to a lower risk of developing type 2 diabetes. This discovery sheds new light on the ongoing debate over chocolate's impact on diabetes risk, specifically distinguishing between the effects of different chocolate types – dark, milk, and white. These varieties differ significantly in their cocoa, sugar, and milk content, factors that could influence their association with the risk of type 2 diabetes.
The study utilized data from three extensive US-based investigations involving nurses and healthcare professionals over a 25-year span. By analyzing food frequency questionnaires, the team evaluated the chocolate consumption of 192,028 participants regarding their overall intake and then focused on 11,654 individuals to differentiate between dark and milk chocolate consumption.

Out of those whose overall chocolate intake was scrutinized, 18,862 cases of type 2 diabetes were identified. The condition, characterised by the body's inefficient use of insulin, leading to elevated blood sugar levels, was found to be 10% less likely in individuals consuming one ounce (approximately 28.3 grams) of chocolate five times a week, compared with those who seldom indulged.
In the subset analysed by chocolate type, researchers discovered a striking 21% reduction in type 2 diabetes risk amongst frequent consumers of dark chocolate. On the other hand, an increase in milk chocolate consumption was tied to long-term weight gain, highlighting the nutritional distinctions between chocolate types.
Published in The BMJ, the study's findings prompt calls for additional research to validate these results. With around 830 million people worldwide living with diabetes as per the World Health Organisation's 2022 data, understanding the nuances of diet and its impact on diabetes risk is critical.
Dr Lucy Chambers from Diabetes UK comments on the implications of this research, noting that while it contributes to understanding the relationship between specific food items and type 2 diabetes risk, it does not conclusively establish that dark chocolate consumption directly lowers the risk of the condition. She emphasises the complexity of dietary studies and the multitude of factors at play. Chambers advises against using dark chocolate as a sole strategy for reducing type 2 diabetes risk, recommending instead a holistic approach involving a balanced diet, physical activity, and sustained weight loss, which has been shown to significantly diminish the risk of type 2 diabetes in some individuals.
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