The only commercially available intranasal-transcranial photobiomodulation system — pairing a head-mounted array with a patented intranasal applicator to deliver 810nm near-infrared light to brain regions no transcranial-only device can reach.
At a Glance
Modality: Photobiomodulation (near-infrared, 810nm)
Best for: Brain health — cognition, memory, sleep, focus, brain longevity, TBI recovery support
Use model: Self-directed · no practitioner required · 20-minute sessions
Category: Wellness device · not cleared for medical treatment · 35+ published and ongoing clinical trials
What Vielight is
Vielight makes the only commercially available intranasal-transcranial photobiomodulation (itPBM) system on the market. Every device in the Neuro lineup combines a head-mounted array of near-infrared LEDs with a patented intranasal applicator that slots into the nasal cavity. Both light sources operate simultaneously during a 20-minute session, pulsing at the same frequency to deliver coherent stimulation to multiple regions of the brain at once.
The clinical logic behind the design is straightforward. Transcranial photobiomodulation reaches cortical surface tissue through the skull but struggles to reach deeper structures because scalp, bone, and cerebrospinal fluid all scatter and absorb light. The intranasal applicator bypasses much of that tissue entirely — the floor of the anterior cranial fossa (the cribriform plate) sits directly above the nasal cavity, and the olfactory bulb projects from there into brain regions responsible for long-term memory. The ventromedial prefrontal cortex, another region central to executive function and emotional regulation, is similarly accessible via the intranasal route.
Combined, the two pathways reach more of the brain more efficiently than either approach alone. That is the mechanism Vielight has built around for roughly two decades, and it is the feature that sets this lineup apart from every other red light and near-infrared device on the market.
The full mechanism of action, tier-labeled evidence summary, and broader photobiomodulation research sit on the modality page. If you want the mitochondrial biology, the cytochrome c oxidase story, and the full clinical picture, see photobiomodulation. This page is about the Vielight lineup specifically — what each device does, who it is for, and how to choose between the models.
What makes it different
Most brain-targeted red light devices are headsets alone. A few products deliver intranasal light in isolation. Vielight is the only lineup that does both in a single coordinated session, and that is the distinguishing feature. The rest of the differentiators follow from it.
Transcranial and intranasal light delivery operate simultaneously at matched pulse frequencies — the core design that no other commercial device replicates.
The intranasal applicator delivers light through the cribriform plate to the underside of the brain, including regions connected to long-term memory.
The VMPFC — critical for executive function and emotional regulation — is accessible via the intranasal route in a way transcranial-only devices cannot match.
All Neuro devices target the DMN — the brain network that becomes dysregulated in cognitive decline, Alzheimer’s, and depression.
Independently measured — the highest irradiance in commercially available brain photobiomodulation devices, per Vielight. Higher irradiance means shorter sessions for the same dose.
Published and ongoing studies at Harvard/BU, UCSF, University of Utah, University of Toronto, and Baycrest Hospital use Vielight devices specifically — not generic photobiomodulation.
The Baycrest Hospital comparison study is worth flagging directly. In a trial of 45 healthy adults, researchers compared transcranial-only photobiomodulation to intranasal-only photobiomodulation and confirmed the efficiency advantage of the intranasal pathway for reaching specific brain regions. That is the empirical basis for the dual-delivery design — not a marketing claim but a head-to-head comparison.
The device lineup
The Vielight lineup breaks into two families. The Neuro series pairs a transcranial headset with the intranasal applicator for full dual-pathway delivery. The MIP is intranasal-only. Within the Neuro series, models are distinguished primarily by their pulse frequency — the rate at which the LEDs turn on and off during a session — and by how much customization the device allows.
Neuro Alpha 4
Relaxation · SleepThe evening device. Alpha-frequency pulsing for relaxation, stress relief, and sleep support.
The 10 Hz alpha rhythm is correlated with the brain’s resting state — the waveband associated with mindfulness, relaxed attention, the athletic flow state, and the window between wakefulness and sleep. Best for users whose priority is stress regulation, sleep quality, or recovery rather than focus or cognitive performance.
Includes 6 months of partial access to Vielight-AI, the optional companion platform.
Neuro Gamma 4
Focus · CognitionThe morning device. Gamma-frequency pulsing for focus, cognitive processing, and brain energy.
The 40 Hz gamma rhythm is correlated with active cognitive processing, memory formation, and information integration across distributed brain networks. This is also the most studied device in Vielight’s clinical research portfolio — the Harvard/BU dementia case series, the UCSF fMRI pilot, and the University of Utah TBI studies all used Neuro Gamma.
Best for users whose priority is cognitive performance, mental clarity, or brain longevity. Includes 6 months of partial Vielight-AI access.
Neuro Duo 4
Both Modes · Most FlexibleBoth Alpha and Gamma in one device. The most versatile entry point.
Identical hardware to Alpha and Gamma. The practical pattern most Duo users settle into: Gamma in the morning for focus and cognitive work, Alpha in the evening to wind down and support sleep. If you are uncertain which frequency fits your goals, Duo is the safer starting point — you get both without committing to one.
Neuro Pro 2
Advanced · Clinician-GradeThe most customizable device in the lineup. Built for practitioners and advanced users.
Where the Alpha, Gamma, and Duo run preset protocols, the Pro 2 opens up the full architecture. Each of the 12 LED modules can be programmed independently, and the device ships with the proprietary Gracefire protocol library — a suite of multi-stage session designs developed by neuroscientists. Gracefire protocols include Chiastic Designs, Sequential Batching, Frequency Sweeps, and Cross-Frequency Coupling, each built to stimulate specific patterns of network activity rather than a single frequency.
The 9 advanced preset protocols target neuroplasticity, cognitive performance, and network connectivity — not just the Default Mode Network but also the Salience Network and Central Executive Network, the three hubs most central to attention, cognition, and self-referential processing.
Includes 1 year of partial Vielight-AI access, lifetime community membership, and lifetime software upgrades. Best for clinicians, advanced self-directed users, and anyone wanting full customization beyond Alpha and Gamma.
Alpha vs Gamma — how to choose
For most people considering a Neuro device, the decision comes down to which frequency fits their primary goal. The two waveforms produce different experiences and support different outcomes. This is not a clinical prescription — it is a framework for matching the device to how you want to use it.
| Consideration | Gamma (40 Hz) | Alpha (10 Hz) |
|---|---|---|
| Primary use | Focus, cognitive performance, memory | Relaxation, sleep, stress regulation |
| Time of day | Morning or early afternoon | Evening, before sleep, during rest |
| Brain state supported | Active processing, information integration | Mindfulness, flow, the pre-sleep window |
| Clinical research | Most studied — dementia, TBI, MCI | Firefighter PTSD pilot, general wellness |
| If you want both | Choose Neuro Duo 4 | |
If your goals are mixed, split between morning focus and evening recovery, or you simply want to experiment with both states, the Duo 4 is the safe choice. Same hardware, same clinical footing, both frequencies available in a single device. Most users settle into a rhythm of Gamma in the morning and Alpha at night within the first month.
MIP — intranasal-only option
The Multi-Intranasal Photobiomodulation (MIP) system is a separate device category. There is no transcranial headset — just the intranasal applicator, available in several wavelength configurations. The MIP is designed for systemic wellness and gentle brain stimulation rather than the fuller cognitive targeting of the Neuro series.
Vielight MIP
Intranasal-Only · SystemicIntranasal photobiomodulation for systemic wellness, immune support, and gentle brain stimulation.
The MIP is the lower-entry-point device in the Vielight lineup. It delivers light into the nasal cavity through the same cribriform pathway that the Neuro series uses, but without the cortical coverage of the transcranial headset. The 655nm red wavelength paired with 810nm near-infrared is the most studied configuration. The full kit adds 470nm blue and 633nm red for users who want the complete wavelength range.
Best for users prioritizing systemic wellness, immune and oxygenation support, or a gentler starting point before investing in a full Neuro system. Can also complement a Neuro device when used at different times of day.
How to use it
Vielight devices are designed to be simple to operate and consistent in their session structure. The core practice is not complicated — the discipline is in doing it regularly over weeks, not in mastering a technique. These are not single-session devices.
Starting protocol
For all Neuro devices, begin with every-other-day sessions for the first two weeks. This gives the nervous system time to adapt and lets you observe how your body responds — particularly sleep, which can shift in either direction before settling. If sessions are well tolerated, scale up to 4 to 6 days per week. Daily use is appropriate for many people but is not the starting point.
For the MIP, the standard protocol is twice daily — once in the morning and once in the evening — for most wavelength configurations. Session duration is shorter than the Neuro devices.
Clinical studies using Vielight devices run for 6 to 12 weeks before measuring outcomes, not days. Treat the first month as an observation period — notice how sleep, focus, energy, and mood shift, and adjust frequency based on what you observe. Consistency over weeks is the variable that matters most.
Honest framing on the evidence
The research base for Vielight is genuinely promising and growing, but it is honest to describe where it currently sits rather than overselling it. Over 35 published and ongoing clinical trials have used Vielight devices specifically — a research footprint that is unusual for any consumer wellness device. That said, most of those studies are pilot-scale with small sample sizes, often in the range of 5 to 45 participants. The signals are consistent and biologically plausible, and the mechanism (enhanced mitochondrial function via cytochrome c oxidase stimulation) is well-characterized. But the field needs larger randomized controlled trials to confirm efficacy, identify optimal protocols, and measure how durable the effects are over time.
That means a clear-eyed expectation: Vielight is a well-designed device sitting on a real but still-maturing evidence base. Anyone claiming it cures or reverses specific diseases is overstating what the research shows. Anyone dismissing it as unsupported is also overstating — the Harvard/BU dementia case series, the UCSF fMRI study, the University of Utah TBI work, and the University of Toronto MCI pilot all produced measurable changes in objective outcomes using Vielight devices specifically. The honest position is somewhere in between: promising, biologically coherent, supported by multiple small trials, and deserving of the larger studies currently underway.
For the full modality-level evidence picture, including tier labels and the broader photobiomodulation literature beyond Vielight, see photobiomodulation.
All Vielight devices are classified as FDA general wellness devices. They are not cleared to diagnose, treat, cure, or prevent any disease. Clinical research using Vielight devices has investigated a range of conditions, but the devices themselves are sold for general wellness and cognitive support — not as medical treatments.
How it fits this site
Vielight is the only brain-targeted photobiomodulation device on this site. It complements — rather than competes with — Kineon, which delivers the same modality (red and near-infrared light) to a completely different target (joints and soft tissue). Same biological mechanism, different anatomical focus.
Good Fit If You Are
- Prioritizing cognitive health, memory, or brain longevity
- Looking for sleep and stress regulation support (Alpha or Duo)
- Recovering from a concussion or mild TBI and interested in research-backed approaches
- A practitioner wanting full protocol control (Pro 2)
- Willing to commit to 20-minute sessions several times a week for 6+ weeks
- Comfortable with a self-directed device — no practitioner required
Not the Right Tool If
- You want a single-session fix — this is a consistency-over-weeks device
- Your priority is joint pain or peripheral tissue — see Kineon instead
- You are expecting a treatment for a diagnosed medical condition — this is a wellness device, not a medical treatment
- You have active contraindications (see below)
- You want whole-body red light — Vielight is brain-targeted only
- ×Do not look directly into LEDs or laser diodes
- ×Active cancer — do not use over tumor sites
- ×Thyroid — use caution near the thyroid gland
- ×Pregnancy — general caution, consult provider
- ×Photosensitizing medications — consult prescribing physician
- ×Epilepsy or photosensitive seizure history — pulsed light may trigger seizures
- ×Implanted electrical devices in the head — consult device manufacturer
- ×Active nasal infection or recent nasal surgery — pause intranasal use
Frequently asked questions
Do I need a practitioner to use a Vielight device?
No. All Vielight devices are designed for self-directed use and ship with clear protocols. The Neuro Pro 2 offers far more customization, which is why it is often used by clinicians, but the core operation remains straightforward. If you want practitioner guidance on integrating Vielight into a broader wellness plan, that is always an option — but it is not required to use the device itself.
Can I use a Neuro device and the MIP together?
Yes. Many users do exactly this — running a Neuro session in the morning and using the MIP twice daily for systemic support. The devices are not redundant; they cover different anatomical targets and use cases.
How long before I notice effects?
Published clinical studies using Vielight devices typically run 6 to 12 weeks before measuring outcomes. Some users notice shifts in sleep or focus within the first two weeks, but the honest answer is that Vielight is not a single-session device. Commit to at least 6 weeks of consistent use before evaluating whether it fits your needs.
Is the intranasal applicator uncomfortable?
Most users report that the applicator is comfortable after the first few sessions. It is designed to sit gently in the nostril without obstructing breathing. If you have nasal anatomy concerns, recent nasal surgery, or chronic sinusitis, check with your provider before starting.
Does Vielight work with hair?
Yes. 810nm near-infrared light penetrates through hair to reach the scalp and underlying tissue. Hair density does not meaningfully affect delivery for this wavelength.
Which device should I choose if I have a cognitive concern?
The Neuro Gamma 4 is the device used in most of the dementia and MCI research. If you want flexibility to use both frequencies, the Neuro Duo 4 gives you Gamma for cognitive sessions and Alpha for sleep and recovery. The Neuro Pro 2 is the clinician’s tool — more than most self-directed users need, but the right choice if you want full protocol customization.
Are any of these devices FDA-cleared to treat medical conditions?
No. All Vielight devices are classified as FDA general wellness devices. They are not cleared to diagnose, treat, cure, or prevent any disease. The clinical research described above investigates the devices in various conditions, but that research does not translate into an FDA medical clearance.
How does Vielight compare to red light panels?
They are different tools for different jobs. Whole-body red light panels deliver broad, lower-intensity light across the surface of the body — useful for skin, systemic wellness, and superficial tissue. Vielight concentrates higher irradiance on brain-specific targets through a dual-pathway design. A panel is not a substitute for Vielight if your goal is brain health, and Vielight is not a substitute for a panel if your goal is whole-body light exposure.
About the Vielight Affiliate Relationship
Resonance Health Hub LLC is in the process of establishing an affiliate relationship with Vielight. The affiliate program will be live in late 2026. Until then, this page exists as honest research-grounded education on the device line — not a sales channel. If you decide to purchase a Vielight device in the meantime, the link below goes directly to their site (no commission to me).
Vielight is the research-backed brain photobiomodulation lineup on this site. The link below goes directly to Vielight to review current pricing, configurations, and availability. If you want help choosing between Alpha, Gamma, Duo, Pro, and MIP before you buy, reach out to Max first.
Vielight.com (affiliate launching late 2026)- Saltmarche AE, Naeser MA, Ho KF, Hamblin MR, Lim L. Significant Improvement in Cognition in Mild to Moderately Severe Dementia Cases Treated with Transcranial Plus Intranasal Photobiomodulation: Case Series Report. Photomedicine and Laser Surgery. 2017. Harvard/BU — 5 dementia patients, 12-week protocol, measurable improvements on MMSE and ADAS-cog cognitive assessments.
- Chao LL. Effects of Home Photobiomodulation Treatments on Cognitive and Behavioral Function, Cerebral Perfusion, and Resting-State Functional Connectivity in Patients with Dementia. UCSF pilot study, 2019. Neuro Gamma showed 4.8-point ADAS-cog improvement over usual care and increased Default Mode Network functional connectivity on fMRI.
- Zomorrodi R, Loheswaran G, Pushparaj A, Lim L. Pulsed Near Infrared Transcranial and Intranasal Photobiomodulation Significantly Modulates Neural Oscillations: a pilot exploratory study. PMC. 2019. Neuro Gamma at 40 Hz produced significant EEG changes — increased alpha, beta, and gamma power with reductions in delta and theta.
- University of Utah TBI studies, 2024 and 2025. Neuro Gamma in traumatic brain injury patients showed significant improvements in executive function, reaction time, and balance measures.
- University of Toronto, 2024. Mild Cognitive Impairment pilot randomized controlled trial. 6 weeks of intranasal-transcranial photobiomodulation produced improvements in cognitive performance, mitochondrial function markers, and blood biomarkers associated with Alzheimer’s disease.
- Baycrest Hospital. Comparison study in 45 healthy adults of transcranial-only versus intranasal-only photobiomodulation delivery — confirmed the efficiency advantage of the intranasal pathway for reaching specific brain regions.
- University of Utah firefighter study, n=14. Neuro Alpha was used to investigate inflammation reduction and brain network function in firefighters with PTSD and chronic fatigue presentations.
- Hamblin MR. Shining light on the head: Photobiomodulation for brain disorders. BBA Clinical. 2016. Review of mechanism and clinical application of transcranial and intranasal photobiomodulation.