Dysautonomia

POTS / Dysautonomia

Evidence-based research and recovery protocols for Postural Orthostatic Tachycardia Syndrome

Heart racing on standingDizzinessBrain fogExercise intoleranceBlood poolingFatigueTemperature dysregulationGI issues

What Is POTS?

Postural Orthostatic Tachycardia Syndrome (POTS) is a form of dysautonomia, a dysfunction of the autonomic nervous system that controls heart rate, blood pressure, digestion, and temperature regulation. The hallmark feature is an abnormal increase in heart rate of 30 or more beats per minute (or above 120 bpm) within 10 minutes of standing, without a corresponding drop in blood pressure.

While POTS has been recognized for decades, it surged into public awareness after COVID-19. Viral infections are one of the most common triggers, along with surgery, trauma, pregnancy, and autoimmune flares. The underlying mechanisms typically involve some combination of low blood volume (hypovolemia), peripheral neuropathy affecting the small nerve fibers that regulate blood vessel constriction, and excessive norepinephrine release (hyperadrenergic POTS).

POTS rarely exists in isolation. It frequently co-occurs with Mast Cell Activation Syndrome (MCAS), Ehlers-Danlos Syndrome (EDS), small fiber neuropathy, chronic fatigue syndrome, and autoimmune conditions. Understanding these overlapping conditions is critical for building an effective recovery protocol. Treating one without addressing the others often leads to limited progress.

Common Symptoms

Heart rate increase of 30+ bpm upon standing
Lightheadedness or near-fainting
Chronic fatigue that worsens with activity
Brain fog and difficulty concentrating
Exercise intolerance and post-exertional malaise
Blood pooling in legs and hands
Temperature regulation problems
Gastrointestinal dysfunction (nausea, bloating)
Chest tightness and shortness of breath
Tremors and internal vibrations
Sleep disturbances despite exhaustion
Adrenaline surges and anxiety-like episodes
Headaches and migraines
Visual disturbances (blurring, light sensitivity)

Research on MyBioHack

Recovery Approaches

Key areas that evidence and clinical experience point to for meaningful POTS recovery:

Autonomic Retraining

Graded exercise protocols, tilt training, and nervous system recalibration to rebuild orthostatic tolerance over time.

Blood Volume Expansion

Electrolyte optimization, salt loading strategies, and targeted supplementation to address the low blood volume that underlies most POTS presentations.

Mast Cell Stabilization

Identifying and managing mast cell activation syndrome (MCAS), which co-occurs with POTS in a large percentage of patients and drives many of the flushing, GI, and tachycardia symptoms.

Vagus Nerve Support

Cold exposure, gargling, breathing exercises, and targeted nutrients to restore vagal tone, a key driver of parasympathetic recovery in dysautonomia.

Frequently Asked Questions About POTS, Dysautonomia & Nervous System Dysregulation

What is POTS (Postural Orthostatic Tachycardia Syndrome)?

POTS is a form of dysautonomia where the heart rate increases excessively (30+ bpm or above 120 bpm) within 10 minutes of standing. It affects the autonomic nervous system's ability to regulate blood pressure, heart rate, digestion, and temperature. POTS is not anxiety. It's a measurable autonomic nervous system dysfunction often triggered by viral infections, surgery, or trauma.

What causes nervous system dysregulation?

Nervous system dysregulation occurs when the autonomic nervous system gets stuck in a sympathetic (fight-or-flight) state. Causes include viral infections (COVID, EBV, Lyme), physical trauma, mold exposure, chronic stress, and autoimmune attacks on autonomic nerves. The brain's threat-detection systems (limbic system, vagus nerve) become hypersensitive, creating a self-perpetuating cycle of inflammation, pain, fatigue, and reactivity.

How do you reset a dysregulated nervous system?

Evidence-based approaches include vagus nerve stimulation (cold exposure, gargling, humming, slow breathing), limbic system retraining programs (DNRS, Gupta Programme), polyvagal-informed therapies, graded exercise with heart rate monitoring, meditation and mindfulness, craniosacral therapy, and addressing underlying triggers (infections, mold, gut dysfunction). Recovery requires consistent daily practice and patience.

What is the cell danger response?

The cell danger response (CDR), described by Dr. Robert Naviaux, is a metabolic state where cells detect threat and shift from normal function to a protective mode. Mitochondria reduce energy production, immune signaling changes, and the nervous system enters a hypervigilant state. In POTS and post-viral illness, the CDR can become stuck, perpetuating symptoms even after the original threat is gone. Addressing the CDR is key to recovery.

Can POTS be caused by Long COVID?

Yes. Post-COVID POTS is one of the most common Long COVID manifestations. SARS-CoV-2 can damage autonomic nerve fibers, trigger autoantibodies against adrenergic and muscarinic receptors, cause hypovolemia (low blood volume), and activate mast cells. Studies show up to 30% of Long COVID patients develop some form of dysautonomia.

What supplements help with POTS and dysautonomia?

Evidence-based supplements include electrolytes (sodium, potassium, magnesium, all essential for blood volume), IV saline (acute), CoQ10 (mitochondrial support for autonomic nerves), alpha-lipoic acid (small fiber neuropathy), omega-3 fatty acids (nerve membrane health), vitamin B1 (thiamine, which supports autonomic nerve function), and iron (if ferritin is low, as it affects blood volume). Salt loading (3-10g/day) is first-line therapy.

What is vagus nerve dysfunction?

The vagus nerve is the main parasympathetic nerve connecting the brain to the gut, heart, and immune system. Dysfunction manifests as poor digestion, rapid heart rate, anxiety, inflammation, and reduced heart rate variability (HRV). In POTS, the vagus nerve often underperforms, leaving the sympathetic nervous system dominant. Vagal toning exercises (cold water face immersion, deep breathing, singing) can improve vagal tone over time.

What is polyvagal theory and how does it relate to POTS?

Polyvagal theory (Dr. Stephen Porges) describes three nervous system states: ventral vagal (safe/social), sympathetic (fight/flight), and dorsal vagal (freeze/shutdown). POTS patients often oscillate between sympathetic activation (standing tachycardia, anxiety) and dorsal vagal collapse (fatigue, brain fog, fainting). Recovery involves building capacity in the ventral vagal (safe) state through co-regulation, breathwork, and gradually expanding the window of tolerance.

How is POTS diagnosed?

POTS is diagnosed via tilt table test or active standing test (NASA lean test). Criteria: heart rate increase of 30+ bpm (40+ bpm in ages 12-19) within 10 minutes of standing, without a significant drop in blood pressure. Additional workup includes autonomic function testing, catecholamine levels (norepinephrine), autoantibody panels, and echocardiogram to rule out structural heart issues.

Does POTS ever go away?

Many patients improve significantly or achieve remission, especially when the underlying cause is identified and treated. Post-viral POTS often improves over 1-3 years with proper management. Autoimmune POTS may require ongoing immunomodulation. Key recovery factors: consistent exercise reconditioning, adequate hydration/salt, addressing root causes (infections, mold, autoimmunity), and nervous system retraining.

POTS / Dysautonomia often overlaps with these conditions:

Work With Jacob on a Personalized POTS Protocol

Jacob has worked with dozens of clients navigating POTS and dysautonomia. Book a one-on-one consultation to get a protocol tailored to your labs, history, and symptom presentation, covering blood volume, mast cells, vagal tone, and nervous system recalibration.

Book a Consultation

Have questions about POTS?

Get personalized, research-backed answers from the Biohacking Bot.

Ask About POTS Protocols