TrueLight · Designed by Dave Asprey

TrueLight® Energy Square 2.4

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Point it where it matters.

Smoother skin, calmer joints, faster bounce-back after hard days. Red light therapy helps your cells make more energy so they repair better, and the Square puts all four wavelengths in a panel you can hold to your face at your desk or aim at a sore knee at night. Five to ten minutes up close, most days. That is the whole protocol.

  • Sized to target: face, neck, shoulders, joints
  • Four wavelengths in every LED, steady and pulsing modes
  • Designed by Dave Asprey. 60-day money-back guarantee
In stock. Ships within 1 business day from Cleveland, Ohio.
  • Free US shipping over $1,000. Ships within 1 business day from Cleveland, Ohio; arrives in 3 to 5 business days.
  • 60-day money-back guarantee. Returns accepted even on opened items.
  • 1-year warranty and US-based support.
WavelengthsYellow 580nm, Red 630nm, Deep Red 660nm, Near-Infrared 850nm
ModesSteady and pulsing
Power density at contact21.5 mW/cm2 (all wavelengths, designed for close-range use)
Power density at 3 in6.3 mW/cm2
Power density at 6 in4.0 mW/cm2
Panel size12 by 12 by 0.5 inches
Power39W, dual voltage (80 to 265V), US plug
Cord10-foot, standard C13
TimerBuilt-in 20-minute
EMFAbout 0.6 milligauss at contact
Designed byDave Asprey
CertificationsCE (Low Voltage and EMC), RoHS
CoverageTargeted, for the face or a single area
Warranty1 year, plus 60-day money-back guarantee

Free shipping in the contiguous US on orders over $1,000. Most orders ship within 1 business day from our Cleveland, Ohio warehouse and arrive in 3 to 5 business days, with tracking emailed on dispatch. We ship worldwide; international delivery is typically 2 to 3 weeks.

Try it for 60 days. If it is not part of your routine, send it back for a refund, even if it has been opened and used. Every device is backed by a 1-year warranty against manufacturing defects and US-based support.

Position the panel 6 to 8 inches from the area you want to treat, choose steady or pulsing, set the built-in timer to 20 minutes, and relax. Use 2 to 3 times per week, no more than once per area per day.

Free US shipping over $1,000Ships within 1 business day from Cleveland, Ohio
60-day returnsMoney-back guarantee
1-year warrantyAgainst manufacturing defects
Low EMF, engineered quietDesigned by Dave Asprey
Dave Asprey sitting on a couch checking his phone while a TrueLight red light panel glows behind his neck and shoulder

Designed by Dave Asprey

Light therapy from the father of biohacking.

Dave Asprey, the father of biohacking and 2x New York Times bestselling author, engineered TrueLight around a full four-wavelength system: yellow, red, deep red, and near-infrared, plus steady and pulsing modes. He built it to the standard he uses himself, for skin, recovery, and everyday energy.

Read Dave Asprey's story.
The science, in plain English

Light your cells can turn into energy.

Every benefit below traces back to one mechanism your mitochondria run on. Here is how it works, step by step.

1

Light goes in.

Red and near-infrared wavelengths pass into the skin and the tissue beneath it, without heat or UV.

2

Mitochondria absorb it.

An enzyme called cytochrome c oxidase, the last step in your cells' energy chain, catches that light.

3

Cells make more energy.

Researchers believe this helps cells produce more ATP, the fuel they use to repair, renew, and recover.

Red and near-infrared light energizing a mitochondrion to produce ATP
The benefits

What our customers actually feel.

Ordered by the reasons real buyers tell us they bought. Every claim is tied to published research.

Skin & anti-aging.

Red and deep red are the most studied wavelengths for skin. Smoother texture, firmer tone, softer lines, built with consistency.

A 2023 RCT of 137 women saw wrinkle volume drop roughly 30 percent in four weeks.

Pain & inflammation.

Near-infrared reaches the muscle and joint tissue where soreness and stiffness live, calming the signals that drive pain.

A Cochrane review found light therapy cut rheumatoid arthritis pain and morning stiffness.

Muscle recovery.

Light your worked muscles after training to quiet the soreness and damage that make recovery drag on.

Randomized-trial data shows less soreness at 72 to 96 hours and faster strength recovery.

Sleep & wind-down.

The benefit customers mention first. Unlike screen light, red and near-infrared do not suppress melatonin, so it fits an evening routine.

The most vividly reported result in our own customer survey.

Everyday energy.

The same mitochondrial mechanism behind the benefits above, felt as steadier day-to-day energy and cellular support.

Grounded in the well-studied cytochrome c oxidase and ATP pathway.

These statements have not been evaluated by the FDA. TrueLight is not intended to diagnose, treat, cure, or prevent any disease. Results vary and build with consistent use.

Built into your day

Twenty minutes. Morning or night.

Point it at your face, neck, or a sore joint. At half an inch thin with a 10-foot cord, the Square goes wherever you do, so the habit is easy to start and easy to keep.

Four colors, four jobs

Every LED emits all four wavelengths.

580nm Yellow preps and calms the skin at the surface.
630nm Red targets tone and collagen near the surface.
660nm Deep Red reaches slightly deeper skin layers.
850nm Near-Infrared penetrates up to 8 to 10mm into muscle and joint tissue.
Four wavelengths of light penetrating skin layers to increasing depths, yellow at the surface through near-infrared reaching muscle

Illustrative. From left: 580nm, 630nm, 660nm, 850nm. Penetration depends on wavelength, dose, and tissue.

~30%
wrinkle volume reduction in a 4-week RCT of 137 women
4
clinically studied wavelengths in every single LED
18
randomized trials behind light-assisted tissue repair
200+
RCTs on photobiomodulation across skin, pain, and recovery

Figures cited from published clinical literature. See the FAQ below for sources.

Trism or Square

Which TrueLight is right for you?

The same four wavelengths and two modes in every LED. The difference is how much of you it covers, and where it fits your day.

  TrueLight Energy Trism full-body red light panel Energy Trism Full-body panel TrueLight Energy Square 2.4 targeted red light panel Energy Square 2.4 Targeted panel
Best forFull body and larger areasTargeted: face, neck, joints, trouble spots
Light surface36 by 12 in (three 12-in panels)12 by 12 in, 225 LEDs
Wavelengths580, 630, 660, 850nm in every LED580, 630, 660, 850nm in every LED
ModesSteady & pulsingSteady & pulsing
Irradiance18.9 mW/cm² at contact21.5 mW/cm² at contact
PenetrationUp to 8 to 10mm (red & near-infrared)Up to 8 to 10mm (red & near-infrared)
EMF~0.6 mG at contact~0.6 mG at contact
SessionAbout 20 min, head to toeAbout 20 min, per area
PortabilityFolds to 12 by 12 by 1.25 in; wall hanger included0.5 in thin; 10-ft cord; optional stand
Power110W39W
Warranty & support1 year, US-based1 year, US-based
Price$850.55$330.65
Get started Shop Trism Shop Square

Reviews

What daily users say.

FAQ

Questions, answered.

Plan on about 20 minutes per treatment area, held 6 to 8 inches from bare skin, 2 to 3 times a week. Light therapy rewards consistency, so a routine you can keep beats a marathon. We recommend no more than one treatment per area per day.

Most people use it for skin and anti-aging, pain and inflammation, muscle recovery, sleep, and everyday energy. The research is strongest for skin, wound and tissue repair, and certain kinds of pain, with growing evidence for recovery and sleep routines. It is a multi-benefit habit, not a single-problem fix.

It varies by goal. Recovery, soreness, and sleep are often felt within days to a couple of weeks. Skin changes like tone and fine lines are gradual and show up over weeks to a few months of consistent use. Think of it like brushing your teeth: the routine is what compounds.

The mechanism is well studied. Red and near-infrared light is absorbed by an enzyme in your cells' mitochondria, which researchers believe helps cells produce energy and repair more efficiently. Hundreds of clinical trials exist, with the strongest evidence for skin, tissue repair, and pain. We describe it honestly: promising and well researched, with results that reward consistency.

Visible red light at 630 and 660nm is absorbed near the surface, which is why it dominates the skin research. Near-infrared at 850nm is invisible and reaches deeper, into muscle and joint tissue, up to about 8 to 10mm. TrueLight gives you both, plus 580nm yellow, in every LED, so one session covers surface and depth.

No. Research shows a biphasic dose response: too little light does nothing, the right dose helps, and too much can actually reduce the benefit. TrueLight panels are designed for close-range use, where the light sits inside the intensity range used in clinical studies. Chase consistency and the right wavelengths, not the biggest number on the box.

Every TrueLight LED combines four wavelengths in one bulb. Yellow 580nm preps the skin and supports recovery. Red 630nm and deep red 660nm target rejuvenation nearer the surface. Near-infrared 850nm reaches deeper tissue. Red and near-infrared penetrate up to 8 to 10mm into the body. No other product combines these four wavelengths plus two modes.

Both panels offer two modes you choose from the remote. Steady delivers a continuous burst designed to ease pain and soreness. Pulsing cycles the light to support cellular healing. Pick the one that fits your goal for that session.

Choose the Energy Trism for full-body and larger-area treatment. Its three 12-inch panels give a 36 by 12 inch lit area, then fold down for travel. Choose the compact Energy Square 2.4 for targeted areas like the face, neck, shoulders, joints, and specific muscle groups. Both use the same four-wavelength LEDs, two modes, a built-in 20-minute timer, and the same 1-year warranty.

The panels do not produce damaging UV light, but they are bright. We recommend you do not look directly into the LEDs. It is comfortable to use with your eyes closed, and if the brightness bothers you, wear opaque goggles.

Very little. At direct contact the panel emits about 0.6 milligauss. For reference, a ringing cell phone emits 9 to 15. There are no fans, which keeps the design quiet and helps keep EMF low.

LED light therapy is generally considered low-risk and has nominal contraindications. Some medications can increase light sensitivity, so check labels if that applies to you. If you are pregnant or in cancer treatment, consult your physician first. These products are not intended to diagnose, treat, cure, or prevent any disease.

Both panels are dual voltage and work on any worldwide supply between 80 and 265V, 50/60Hz. They ship with a US plug. The Energy Square 2.4 uses a standard C13 power cord, so no special wiring or adapters are needed.

Free US shipping on orders over $1,000. Most orders ship within 1 business day from our Cleveland, Ohio warehouse and arrive in 3 to 5 business days. Every order is backed by a 60-day money-back guarantee, even on used or opened items, and a 1-year warranty against manufacturing defects. Sale items are non-refundable.