Butter may lower risk of heart disease and type 2 diabetes, study finds

Butter may lower risk of heart disease and type 2 diabetes, study finds
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New research from Boston University suggests that consuming at least five grams of butter daily—about a teaspoon—may reduce the risk of Type 2 diabetes by nearly one-third, a major factor linked to heart disease. The study also found that butter increased levels of “good” cholesterol and lowered harmful fats associated with artery blockage and cardiovascular events.

These findings challenge decades of advice warning against saturated fats like butter, which were previously linked to heart disease. In contrast, the study observed that margarine consumption raised the risk of diabetes by over 40% and heart problems by 30%, likely due to unhealthy trans fats historically found in some margarines.

Tracking nearly 2,500 adults over several decades, the researchers highlight the complexity of dietary fats and heart health. While current guidelines recommend balanced diets with limited saturated fat intake, this study calls for further evaluation of butter’s role in cardiovascular risk.