Yes, potatoes can be beneficial for heart health, primarily due to their high potassium content and the way they're prepared. A large baked potato provides approximately 926 mg of potassium — about 20% of the daily recommended intake of 4,700 mg (USDA). High potassium intake is associated with lower blood pressure and reduced stroke risk according to WHO guidelines.
The cardiovascular research is reassuring for non-fried potato consumption. Schwingshackl et al. (2019) analyzed 13 prospective cohort studies in the American Journal of Clinical Nutrition and found no significant association between total potato consumption and cardiovascular disease risk (RR: 0.97) or coronary heart disease risk (RR: 0.94). The Framingham Offspring Study similarly found that higher potassium intake, to which potatoes contributed significantly, was associated with reduced stroke risk.
However, preparation method matters significantly for heart health. While boiled and baked potatoes show neutral to beneficial effects, fried potato consumption was associated with modestly elevated cardiovascular disease risk (RR: 1.13) in the same meta-analysis. This increased risk is attributed to added fats, salt, and accompanying dietary patterns rather than the potato itself.
The key for heart health is consuming potatoes in their whole, minimally processed forms — baked, boiled, or steamed — rather than fried preparations, while benefiting from their substantial potassium content that supports healthy blood pressure.