Almost every POTS patient I see arrives with a bag — sometimes literally — of supplements. I understand why. When standard care leaves you still dizzy, still exhausted, still counting the minutes you can stand, you look for anything that might move the needle. Some of what is in that bag genuinely helps. Some of it is expensive hype. And one increasingly popular category deserves a real warning.
What has a legitimate place
Postural orthostatic tachycardia syndrome is, at its core, a problem of blood flow and autonomic regulation. So the interventions with the strongest footing are the unglamorous ones that expand and stabilize blood volume: fluids and sodium — dosed deliberately and under your clinician’s guidance, because the right amount varies by POTS subtype — along with the electrolytes that travel with sodium, especially potassium and magnesium.
Beyond that, my rule is simple: test, do not guess. Iron, B12, and vitamin D are worth checking because deficiencies mimic and worsen POTS symptoms — but supplementing a deficiency you actually have is very different from swallowing a stack of things you might not need.
The NAD-booster warning
NAD boosters — nicotinamide riboside (NR) and NMN — have become popular in chronic-fatigue and dysautonomia communities, usually taken in gram-level doses for “cellular energy.” New research says we should pump the brakes.
In 2024, researchers at the Cleveland Clinic published a study in Nature Medicine showing that when the body receives more of the niacin (vitamin B3) pathway than it can use, the surplus is converted to terminal metabolites called 2PY and 4PY — and 4PY is not innocent waste. It activates VCAM-1, an adhesion molecule that primes artery walls for inflammation. People with the highest blood 4PY levels had roughly twice the rate of heart attack, stroke, or death over three years, a finding that replicated in a second cohort on another continent.
Here is the connection: NR and NMN feed that same pathway, and their surplus breaks down into those same metabolites. Megadosing the precursor means megadosing the leftovers — in a patient population that already lives with autonomic and often inflammatory dysfunction, and with no long-term safety trials to lean on.
My whole-food bias
This is the recurring story of isolated, megadosed nutrients, and it is why I prefer nutrients the way nature packages them — food first, and when I do use supplements, whole-food forms such as freeze-dried organs, shilajit resin, and freeze-dried wild salmon roe. Science has mapped a few ratios, like copper to zinc. It has not mapped copper to boron, or the thousands of other relationships in real food. In whole-food form, your body decides what to absorb and in what proportions. We keep copying Mother Nature; we have not finished learning her secrets.
The bottom line for POTS
Supplements are supporting actors. The leading roles in POTS recovery still belong to volume and electrolytes, graded reconditioning, sleep, and finding and treating what is driving your dysautonomia in the first place. Spend your money — and your hope — accordingly.
Educational content, not medical advice. POTS care should be individualized — review any supplement, especially sodium loading, with your own clinician.
— Andrew Rudin, MD, cardiologist and board-certified cardiac electrophysiologist. More at andrewrudinmd.com and bestheartbeat.com.
