If you’re dealing with POTS (Postural Orthostatic Tachycardia Syndrome) and constantly feeling dizzy, lightheaded, or weak, it could be more than just your nervous system—it might be intracellular vitamin deficiencies. The top five we see associated with POTS are iron, B6 (pyridoxine), B12, folate, and CoQ10. Deficiencies in any of these can cause dizziness, blood pressure issues, and fatigue. I’ve even solved POTS-like symptoms just by correcting B6 levels! Want to find out what you’re missing?

Do you need a tilt table test to diagnose POTS? Not always. Tilt table testing can be helpful—and I sometimes use it when the diagnosis is unclear—but it’s not always necessary. If a patient describes orthostatic intolerance—things like dizziness, rapid heartbeat, brain fog, or fatigue that worsens when standing and improves with lying down—that often tells me a lot. That’s the core of POTS: symptoms triggered by upright posture. Instead of jumping straight to a tilt table test, I often have pat