Healthier Salt Substitute May Prevent Millions of Deaths From Heart Disease

Recent research highlights that a simple change in dietary habits could save millions of lives each year from heart disease and related conditions. A study conducted by The George Institute for Global Health reveals that replacing regular table salt with potassium-enriched salt could prevent nearly 3 million deaths globally and over 105,000 deaths in the United States annually.

The study, published in *Nature Health*, suggests that this salt substitute, which contains potassium chloride alongside sodium chloride, could significantly lower blood pressure and reduce the risk of heart and kidney disease. The potential impact of this switch was modeled across 193 countries, revealing that more than 10 million new cases of heart and kidney diseases could be avoided each year.

Currently, approximately 130.6 million adults in the U.S. suffer from cardiovascular disease, underscoring the urgency of finding effective preventative measures. According to the study, implementing potassium-enriched salt could lead to nearly 492,000 fewer new cases of heart disease in the country alone.

Liping Huang, PhD, a senior data analyst at The George Institute and co-lead author of the study, explained that the team analyzed blood pressure levels by sex, age, and country to estimate how changing salt intake would affect sodium and potassium levels in the body, thereby influencing blood pressure and disease risk. The researchers proposed a mixture consisting of 75% sodium chloride and 25% potassium chloride.

Their findings estimated that switching all salt to a potassium-enriched alternative could prevent approximately 2.96 million deaths worldwide, with significant reductions also noted for those who primarily use salt at home and individuals diagnosed with high blood pressure.

Potassium-enriched salt is already available at major grocery chains across the U.S., providing an accessible option for consumers looking to improve their health. Huang noted that while kosher and sea salts may have health benefits due to trace elements, they predominantly consist of sodium chloride. In contrast, potassium-enriched salt offers a similar taste to regular salt with the added benefit of improved health outcomes.

The World Health Organization has endorsed potassium-enriched salt as part of its guidelines for reducing blood pressure and the risk of cardiovascular disease. The American Heart Association supports its use, especially for individuals struggling to reduce sodium intake.

However, it is essential to note that some individuals, particularly those with chronic kidney disease, should avoid potassium-enriched salt due to the risk of hyperkalemia, or elevated potassium levels, which can lead to serious health complications.

Potassium-enriched salt is available in various forms, including blends that mix sodium and potassium chloride, and sodium-free substitutes. While these alternatives may be slightly more expensive than regular salt, Huang encourages individuals to consider this simple switch as an effective step toward better health.

With sodium consumption often exceeding the recommended limits, substituting with potassium-enriched salt could be a straightforward way for many to improve their health and potentially save lives.