If you've been diagnosed with Postural Orthostatic Tachycardia Syndrome (POTS) , you’ve probably heard one of the first lines of advice: “Increase your salt and fluid intake.” But why is salt so important—and how can you actually meet those high daily salt goals? Let’s break it down. Why Do POTS Patients Need More Salt? In POTS, the autonomic nervous system doesn’t regulate blood flow and heart rate properly when you stand up. This often leads to low blood volume , causing s