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Control Your Vagus Nerve to Improve Mood, Alertness & Neuroplasticity — Whalespan

Content›Video›Control Your Vagus Nerve to …

Control Your Vagus Nerve to Improve Mood, Alertness & Neuroplasticity

Andrew Huberman1h 51m · 2025-06-23

Claims Made

196

Claims Supported

181

Support Rate

92%

Support rate

181 of 196 claims supported

181 supported15 partial / not

Claims from this content

141

✓Well SupportedAG1 is a vitamin, mineral, probiotic drink with adaptogens designed to meet foundational nutritional needs and provide insurance for adequate fruit and vegetable intake.✓Well SupportedComprehensive blood testing is vital for detecting many aspects of mental and physical health, and Function Health offers this affordably.✓Well SupportedAndrew Huberman's mercury levels decreased after limiting tuna, increasing leafy greens, and supplementing with NAC.✓Well SupportedFunction offers over 100 advanced lab tests for comprehensive bodily health assessment.Well Supported

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A. Volkovreader

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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

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✓

Andrew Huberman dissolves one packet of Element in 16-32 ounces of water upon waking and during exercise for hydration and electrolyte intake.

✓Well SupportedThe book 'Protocols: An Operating Manual for the Human Body' offers scientifically substantiated protocols for sleep, exercise, stress control, and focus/motivation.

✓Well SupportedThe physiological sigh, a breathing pattern of a double inhale followed by an extended exhale, can reduce stress in real-time.

✓Well SupportedRed and near-infrared light therapy can improve cellular health, aiding muscle recovery, skin health, pain and inflammation reduction, and sleep enhancement.

✓Well SupportedAG1's latest formula upgrade includes clinically studied probiotic strains that support digestive and immune system health, improve bowel regularity, and reduce bloating.

✓Well SupportedRoka red lens glasses can be worn in the evening after sunset to filter out short-wavelength light that suppresses melatonin secretion and can alter sleep.

✓Well SupportedSleep and non-sleep deep rest are key for neuroplasticity by allowing internal processing without external analysis.

✓Well SupportedAG1 is offering a free bottle of vitamin D3 K2, a bottle of omega-3 fish oil capsules, and a sample pack of AGZ with the first subscription to AG1.

✓Well SupportedElectrolyte drinks with sodium, magnesium, and potassium without sugar are important for optimal brain and body function and hydration.

✓Well SupportedExtending exhalations throughout the day can increase Heart Rate Variability (HRV) in both wakeful and sleep states.

✓Well SupportedTwo to four servings per day of low-sugar fermented foods can reduce inflammatory markers and improve the gut microbiome.

✓Well SupportedFunctional health testing includes biomarkers for toxins such as BPA and PFAS.

✓Well SupportedThe vagus nerve transmits both afferent and efferent information between the central nervous system and visceral organs.

✓Well SupportedOmega-3 fish oil and vitamin D3/K2 supplementation can support mood, brain health, heart health, and healthy hormone status.

✓Well SupportedVagus nerve stimulation can induce states of alertness and arousal, not just calming pathways.

✕Not SupportedOral forms of nicotine increase blood pressure and act as a vasoconstrictor.

✓Well SupportedExercise increases energy and focus by triggering adrenaline release, which stimulates norepinephrine release in the brain.

✓Well SupportedSingers use extended humming to relax and access deeper vocal frequencies, which involves mechanical activation of vagal pathways that drive a parasympathetic response.

✓Well SupportedThe heart appears to be the end organ of the dorsolateral prefrontal cortex.

✓Well SupportedMechanical sensory information from the gut is detected by mechanoreceptors and transmitted to the brainstem via the vagus nerve.

✓Well SupportedHigh-intensity exercise that activates the adrenals to release adrenaline can leverage the vagus nerve to link body and brain excitation, thereby increasing alertness.

✓Well SupportedJoovv devices are medical-grade red lights.

✓Well SupportedEffective brain change requires focus, friction, and rest for plasticity.

✓Well SupportedMost serotonin is produced in the gut, does not cross the blood-brain barrier, and plays a role in gut inflammation, vasoconstriction, and clotting.

✓Well SupportedNeuroplasticity involves rewiring and consolidation of learning during deep rest states like NSDR and deep sleep.

✓Well SupportedElectrical stimulation of the vagus nerve can be used to treat major depression and calm people down.

✓Well SupportedThe vagus nerve originates in the brainstem and innervates many organs, sending neural signals back to the brain.

✓Well SupportedThe balance between the sympathetic and parasympathetic nervous systems dictates emotional state and alertness.

✓Well SupportedThe vagus nerve has powerful excitatory motor outputs that stimulate higher alertness levels.

✕Not SupportedNicotine carries significant risks of habit formation and addiction when used as a nootropic.

◐Partially SupportedStimulating the vagus nerve can increase alertness, calm the body, improve mood, and enhance learning ability.

◐Partially SupportedBrain areas involved in motor control, cognition, planning, and emotion can communicate with adrenal glands to cause adrenaline release.

◐Partially SupportedPharmacologically increasing acetylcholine transmission can enhance neuroplasticity if learning is attempted incrementally.

◐Partially SupportedRubbing behind or inside the ears can activate vagus nerve branches to promote relaxation and parasympathetic activity.

◐Partially SupportedStimulating the nucleus basalis to release acetylcholine and a sensory stimulus can cause rapid brain remapping.

◐Partially SupportedThe sympathetic nervous system is responsible for accelerations in heart rate, alertness, and the stress response.

◐Partially SupportedBupropion (Wellbutrin) increases dopamine and norepinephrine, was developed as an alternative for depression, and may avoid SSRI-associated sexual side effects.

◐Partially SupportedSSRIs and tricyclic antidepressants are first-line medications for OCD, targeting the serotonin system.

✕Not SupportedVaping is extremely harmful to human health.

◐Partially SupportedNeuroplasticity typically occurs passively during childhood and early adulthood (up to age 25).

◐Partially SupportedNeurons in the nucleus ambiguus release acetylcholine to act on the sinoatrial node, slowing heart rate.

✓Well SupportedAdequate gut serotonin production is necessary to maintain brain serotonin levels, impacting mood.

◐Partially SupportedExercise that stimulates brain alertness can improve focus and enhance neuroplasticity.

◐Partially SupportedGut serotonin levels, distinct from brain serotonin, influence gut motility and health and communicate with the brain via the vagus nerve.

◐Partially SupportedActivating specific vagus nerve pathways requires differentiating between sensory and motor pathways.

◐Partially SupportedThe vagus nerve carries specific information about bodily states like heart condition, gut status, and nutritional state to the brain.

◐Partially SupportedTryptophan is an amino acid that is a precursor to serotonin synthesis.

◐Partially SupportedThe autonomic nervous system controls reflexive breathing, heart rate, skin conductance, pupil size, and alertness/calmness via sympathetic and parasympathetic branches.

◐Partially SupportedThe vagus nerve can trigger the NTS to signal the locus coeruleus and nucleus basalis to release norepinephrine and acetylcholine, initiating learning and plasticity during sleep.

✓Well SupportedGut bacteria can produce neurotransmitters that interact with the brain via the vagal nerve to calm anxiety.

◐Partially SupportedThe vagus nerve is involved in autoregulation, increasing heart rate variability and alertness.

◐Partially SupportedThe left dorsolateral prefrontal cortex communicates with brainstem nuclei, including the nucleus ambiguus, which projects to the sinoatrial node and is responsible for heart rate deceleration.

◐Partially SupportedThe human nervous system is capable of changing itself throughout the lifespan, and the vagus nerve is involved in facilitating adult neuroplasticity.

◐Partially SupportedMaintaining the vagal pathway through long exhales or transcranial magnetic stimulation can help preserve higher heart rate variability with aging.

◐Partially SupportedThe cell bodies of vagus nerve neurons relevant to gut signaling are located in the nodose ganglion.

◐Partially SupportedThe brain registers changes in heart volume and blood flow during inhalation via the sinoatrial node and signals the heart to speed up.

◐Partially SupportedImproving heart rate variability (HRV) is a form of autoregulation influenced by vagus nerve stimulation.

◐Partially SupportedHeart rate variability (HRV) is a key indicator of autonomic nervous system tone and is beneficial for health.

◐Partially SupportedHeart rate variability (HRV) declines with age, impacting overall health and activity levels.

◐Partially SupportedAdults can achieve childhood levels of neuroplasticity through repeated, incremental learning when alert, focused, and determined.

◐Partially SupportedEngagement and attentiveness are crucial for maintaining neuroplasticity as individuals age.

◐Partially SupportedThe vagus nerve (cranial nerve 10) functions as both parasympathetic and sensory/motor.

◐Partially SupportedMoving the large muscles of the body causes the adrenal glands to release adrenaline.

◐Partially SupportedHumming by extending the 'H' sound can activate vagal pathways to promote calmness.

◐Partially SupportedAdrenaline binds to receptors on the vagus nerve, which then releases glutamate in the nucleus tractus solitarius (NTS).

◐Partially SupportedMechanical activation of specific vagal pathways in the neck can trigger parasympathetic responses.

◐Partially SupportedSerotonin in the gut binds to axons of the vagus nerve, stimulating signals relayed to the brain's nucleus tractus solitarius.

◐Partially SupportedVagal nerve signaling communicates gut serotonin levels to the dorsal raphe nucleus, influencing brain serotonin.

✓Well SupportedHeart rate variability declines with age due to lower physical activity and vagal pathway degeneration.

◐Partially SupportedAdequate levels of serotonin in the gut are powerfully associated with a healthy gut and can prevent irritable bowel syndrome.

✕Not SupportedNicotine enhances nicotinic acetylcholine receptor activation, increasing acetylcholine transmission in the brain, but smoking, vaping, dipping, and snuffing carry severe health detriments due to cancer risk.

◐Partially SupportedThe vagus nerve's name reflects its extensive connections throughout the body.

◐Partially SupportedThe parasympathetic nervous system is responsible for calm, relaxed states, deep sleep, or coma if hyperactivated.

◐Partially SupportedThe vagus nerve's functions can be controlled to achieve specific endpoints.

◐Partially SupportedImproving gut microbiota with fermented foods promotes serotonin production only if dietary tryptophan intake is sufficient.

◐Partially SupportedEnterochromaffin cells in the gut manufacture serotonin through an enzymatic conversion of dietary tryptophan.

◐Partially SupportedThe nucleus tractus solitarius communicates with the dorsal raphe nucleus, which is responsible for releasing the majority of serotonin in the brain.

◐Partially SupportedUnderstanding and activating neural pathways that link body activity to brain alertness provides agency for individuals experiencing low motivation or lethargy.

◐Partially SupportedSignificant physical exertion can increase motivation and energy for further physical or cognitive work.

◐Partially SupportedActivating the dorsolateral prefrontal cortex using TMS can increase heart rate variability by strengthening the vagal pathway.

◐Partially SupportedGargling can activate the parasympathetic aspects of the vagus nerve, leading to a calming sensation.

◐Partially SupportedCaffeine can augment focus by increasing norepinephrine levels, and low-dose nicotine may also increase focus but is not recommended for young people due to risks.

◐Partially SupportedElectrical stimulation of the vagus nerve is a more potent method for calming and treating major depression compared to mechanical activation.

◐Partially SupportedA combination of probiotics, magnesium orotate, and a low dose of CoQ10 improved symptoms of major depression in the short term.

◐Partially SupportedAdequate serotonin levels are critical for well-being and engagement with life in both depressed and non-depressed individuals.

◐Partially SupportedImproving focus as a skill can help individuals with learning difficulties, neural plasticity issues, motor pathway damage, or brain fog.

◐Partially SupportedNorepinephrine release from the locus coeruleus increases brain alertness.

◐Partially SupportedHeart rate variability is correlated with positive health outcomes.

◐Partially SupportedAutoregulation via the vagus nerve is a continuous background process that can be deliberately increased through specific protocols.

◐Partially SupportedHigh intensity interval training can increase HRV.

◐Partially SupportedStephen Porges' book 'Polyvagal Theory' describes the vagus nerve's role in regulating bodily state and calming down.

◐Partially SupportedLooking up and to the right, then up and to the left, can activate the vagus nerve to promote calmness.

◐Partially SupportedThe parasympathetic nervous system controls rest, digestion, and sleep.

◐Partially SupportedMechanical activation of vagal nerve fibers through neck stretching activates sensory and motor fibers, with the majority of the parasympathetic effect occurring on the right-hand side.

◐Partially SupportedImproving gut microbiome diversity and quantity supports the conversion of tryptophan to serotonin, which can improve mood.

◐Partially SupportedGargling can activate the parasympathetic aspects of the vagus nerve by creating vibration at the back of the throat.

◐Partially SupportedSerotonin is a neuromodulator critical for mood in the brain and for gut motility, digestion ease, and gut health.

◐Partially SupportedSpecific vagus nerve pathways can be activated to induce a calming effect.

◐Partially SupportedSerotonin can increase neural plasticity, similar to acetylcholine.

◐Partially SupportedExercise improves brain plasticity and learning capacity by increasing alertness through a neural circuit involving the adrenals, vagus nerve, and locus coeruleus.

◐Partially SupportedThe exact optimal frequency for performing deliberate long exhales to maintain vagal pathway robustness is not known.

◐Partially SupportedSelective activation of vagus nerve motor pathways can accelerate and increase recovery from stroke.

◐Partially SupportedActivation of vagal control over the sinoatrial node is central to countering the aging process.

◐Partially SupportedHeart Rate Variability (HRV) is positively correlated with health outcomes, including brain function, body performance, and longevity.

◐Partially SupportedLow-sugar fermented foods include refrigerated kimchi, sauerkraut, kombucha, kefir, and low-sugar yogurts.

✕Not SupportedExercise that leads to exhaustion increases parasympathetic activity and reduces brain oxygen levels, negatively impacting cognitive function.

◐Partially SupportedAdrenaline activates the sympathetic nervous system, stimulates organs, and increases the probability of overall body movement.

◐Partially SupportedSSRIs increase synaptic serotonin levels and can have side effects due to serotonin's widespread use in brain circuits.

◐Partially SupportedSupplementing with a quality probiotic can improve mood in individuals with low mood by increasing serotonin production via improved gut microbiota and adequate tryptophan intake.

◐Partially SupportedHuperzine can stimulate acetylcholine release, enhancing plasticity for a few hours.

◐Partially SupportedIncreasing alertness by activating vagal nerve pathways allows for more opportunity to focus and learn, which is neuroplasticity.

◐Partially SupportedHigh-intensity exercise can activate the vagus nerve, leading to enhanced neural plasticity in the hours following the exercise.

◐Partially SupportedThe mood-improving effects of probiotics, magnesium orotate, and coenzyme Q10 were short-lived, disappearing between 10 and 15 weeks.

◐Partially SupportedThe vagus nerve includes efferents from brainstem nuclei that control organs and other bodily functions.

◐Partially SupportedThe vagus nerve is active from birth until death in humans and all mammals.

◐Partially SupportedThe vagus nerve has precise wiring for receiving and transmitting information.

◐Partially SupportedMovement of large muscles, especially legs and trunk, stimulates a pathway that increases the likelihood and desire to move.

◐Partially SupportedStimulating the vagus nerve wakes up the brain and has been used to prevent people from drifting too deep into anesthesia.

◐Partially SupportedLight physical activity like calisthenics or light jogging can increase alertness and motivation.

◐Partially SupportedMotor neurons control voluntary movements of limbs and facial muscles, as well as involuntary functions of internal organs.

◐Partially SupportedThe sympathetic nervous system makes it easier to stay awake than to fall asleep.

◐Partially SupportedElevating serotonin levels can increase neuroplasticity, enabling individuals with major depression to learn new contingencies.

◐Partially SupportedNasal breathing dominance switches approximately every 90 minutes, governed by the autonomic nervous system.

◐Partially SupportedThe vagus nerve plays a role in calming the body and enhancing learning and plasticity.

◐Partially SupportedActivating the dorsolateral prefrontal cortex can decelerate heart rate through the vagal pathway.

◐Partially SupportedStimulating the vagus nerve can wake up the brain and is used clinically to counteract deep anesthesia.

◐Partially SupportedSerotonin levels need to be within a specific range for optimal function.

◐Partially SupportedThe vagus nerve regulates mood, neuroplasticity, learning, and the relationship between gut and brain serotonin.

◐Partially SupportedHigh-intensity exercise can leverage neural circuits to activate alertness more powerfully than pharmacology like caffeine.

◐Partially SupportedControlling the vagus nerve through understanding its mechanisms is the most effective way to manage its functions for mental health, physical health, and performance.

◐Partially SupportedThe vagus nerve includes nuclei, which are collections of thousands of neurons in clumps.

◐Partially SupportedStimulating the nucleus basalis to release acetylcholine, in conjunction with a sensory stimulus, causes rapid brain remapping and significantly increased plasticity.

◐Partially SupportedCognitive learning should ideally be scheduled within two to four hours after exercise that elevates energy levels without causing exhaustion.

◐Partially SupportedPharmacological agents like Alpha-GPC and huperzine, in combination with exercise, can be used to enhance focus.

◐Partially SupportedThe physiological sigh involves two inhales through the nose followed by a long, slow exhale through the mouth until lungs are empty.

◐Partially SupportedThe effectiveness and side effects of SSRIs are highly patient-dependent and require experimentation.

◐Partially SupportedAndrew Huberman uses the Joovv Whole Body Panel three to four times a week and the Joovv Handheld Light at home and while traveling for red light therapy.