What is the main reason for using unsalted margarine over regular margarine?

The main reason for using unsalted margarine over regular margarine is the reduced sodium content. Unsalted margarine is formulated without added salt, making it a better option for individuals who need to monitor their sodium intake due to health conditions such as hypertension or heart disease. Lowering sodium consumption is essential for overall cardiovascular health and can help manage blood pressure levels effectively.

While unsalted margarine may have different flavor characteristics and potentially varying spreadability compared to regular margarine, the critical advantage lies in its lower sodium status. This dietary consideration is particularly relevant in today's health-aware society, where reducing sodium is often emphasized for better nutritional management.