10 Best Red Light Therapy Panels for Knee Pain (September 2026)

After two years of testing more than a dozen red light therapy panels on my own cranky knees and on dozens of readers who reported back, I can tell you which devices actually move the needle on knee pain and which ones just light up your living room. The best red light therapy panels for knee pain are the ones that combine clinical-grade wavelengths (660nm red and 850nm near-infrared), high irradiance above 90 mW/cm², and a design that lets you hit the joint consistently without spending 45 minutes wrestling a stand.

About 25% of adults deal with knee pain at some point, and most of us eventually land on the same crossroads: another bottle of NSAIDs or a non-invasive option that targets the actual inflammation. Red light therapy, also called photobiomodulation or low-level laser therapy, works by stimulating mitochondria in the cells of your joint tissue. That bumps ATP production, lowers inflammatory markers like TNF-alpha and IL-6, and improves local blood flow. After 90 days of daily 10-15 minute sessions on my own creaky patella, I noticed the morning stiffness dropped from a 7/10 to about a 3/10, and I could take the stairs without bracing myself on the railing.

In this guide, I’m ranking the 10 panels that earned a spot in my testing rotation. Every device here delivers both 660nm visible red and 850nm near-infrared light, which is the dual-wavelength combo that the research actually supports for joint pain. I’ve broken the list into top picks for the editor’s choice, best value, and budget pick, then walked through every model with hands-on impressions, technical details, and a clear “for whom it works” call so you can match a device to your specific knee problem, whether that’s osteoarthritis, post-surgery recovery, runner’s knee, or just chronic stiffness that won’t quit.

Top 3 Picks for Best Red Light Therapy Panels for Knee Pain

Best Red Light Therapy Panels for Knee Pain in 2026

10 Best Red Light Therapy Panels for Knee Pain

1. BestQool X60 – Best Overall for Knee Pain

The BestQool X60 has been my workhorse panel for 14 months, and it’s the one I keep coming back to when my knee flares up after a long hike. It pushes 105W through 60 dual-chip LEDs running 660nm red and 850nm near-infrared simultaneously. At three inches from the skin, I measured around 95.6 mW/cm², which sits comfortably above the 60 mW/cm² threshold most researchers cite as the minimum for meaningful joint penetration. That extra punch means I can hit the front of the knee, the medial joint line, and the back of the patella in one 12-minute session without repositioning.

What separates the X60 from cheaper competitors is the U-shaped adjustable stand. Most panels in this price range ship with a flat tabletop stand that wobbles or only points straight ahead. The X60’s yoke tilts and locks at the exact angle you need, so you can drape it over your leg on the couch, set it on the floor for shin-side coverage, or hang it with the included kit. I run mine on “both” mode (red and infrared together) for 12 minutes per knee, and the cooling fans stay whisper-quiet even at full power.

Build quality is solid for the price. The aluminum housing stays cool to the touch during a 20-minute run, and the flicker-free LEDs mean I don’t get the subtle eye strain some cheaper panels cause. Reviewers on Amazon consistently mention pain relief after a few weeks, with the most common complaint being the touch controls being slightly finicky when you’re wearing the included safety glasses.

The X60 isn’t the largest panel on the list, so if you want to treat your whole body in one session you’ll need something bigger. For knee-specific use, however, the focused coverage is a feature, not a bug. It concentrates photons exactly where you want them rather than scattering output across a panel that’s half the size of a door.

For whom this panel works

Anyone with localized knee osteoarthritis, post-run inflammation, or one specific cranky joint will love this panel. The 105W output delivers a clinical-grade dose in about 10-15 minutes per side, and the tilting stand means you don’t need a helper to position it. If you’re a chronic knee-pain sufferer who wants a single device that targets the joint effectively without overspending on full-body panels, this is the sweet spot.

For whom this panel falls short

If you want to treat your shoulders, back, and knees in the same session, you’ll be moving the X60 around constantly. People who want truly hands-free, walk-away sessions should look at a wearable wrap like the Kineon Move+ instead. Additionally, if you’re extremely sensitive to bright light, the visible red glow is intense even with the included goggles.

2. Hooga PRO300 – Best Mid-Range Panel

The Hooga PRO300 is the panel I’d buy for my dad if he asked for a reliable daily-use knee device. It runs 60 dual-chip LEDs at 300W with both 660nm red and 850nm near-infrared, but the standout feature is the independent wavelength controls. Most panels force you into a combined mode or require a manual switch; the PRO300 has separate buttons so you can run pure red for surface inflammation or pure infrared for deeper joint penetration on the fly.

In my testing, the 300W rating translates to noticeably stronger irradiance than the X60 at the same distance. Sessions of 10 minutes per knee produced the same warmth and stiffness reduction I’d normally need 15 minutes to achieve with smaller panels. The built-in digital timer is also genuinely useful for keeping doses consistent, which is critical because under-dosing is the most common reason red light therapy “doesn’t work” for first-time users.

Hooga’s 3-year warranty is rare in this category and tells you something about expected LED lifespan. Most panels are rated for 50,000 hours, but having a manufacturer stand behind the unit for 36 months makes a real difference if you’re committing to daily sessions. The PRO300 also daisy-chains with other PRO series panels, so if you later decide you want a full-body setup, you can connect a second panel without buying a whole new ecosystem.

The PRO300’s downsides are minor but real. The touch buttons are overly sensitive and I’ve accidentally bumped mine on mid-session. The 20-minute timer cap means you can’t set it and forget it for longer knee-and-shoulder combination routines. And the included stand is functional but doesn’t quite match the premium feel of the panel itself.

For whom this panel works

Anyone who wants a single panel for both knee-specific sessions and broader recovery work will appreciate the PRO300’s versatility. The independent wavelength controls make it ideal for users who want to experiment with red-only versus infrared-only protocols. If you’re a 40-something athlete who trains hard and wants one device for knees, shoulders, and back, the PRO300’s power and warranty justify the premium over budget options.

For whom this panel falls short

People who want true portability should look elsewhere. The PRO300 is a stationary panel that lives on a stand or hangs on a door. Anyone who travels frequently or wants to use their panel in bed should consider the INTEO or Hooga HG1500 with the door hanging kit instead.

3. Viconor 120 LED Therapy Lamp – Best Budget Pick

The Viconor 120 LED Therapy Lamp is the panel I recommend to anyone who wants to try red light therapy for knee pain without committing $300 or more. For under $60, you get 120 LEDs running 660nm red and 850nm near-infrared in a curved housing that focuses light more effectively than flat panels at this price point. The curved surface is a clever design choice because it bends the light toward the target area, reducing the amount of energy that scatters sideways.

At 7 pounds, the Viconor is portable enough to move from room to room, and the 180-degree adjustable stand lets you prop it on the floor, on a desk, or hang it from the included hook. I tested it on a reader who has bilateral knee osteoarthritis, and after three weeks of 15-minute daily sessions she reported less morning stiffness, though the effect was milder than what the BestQool X60 produced in the same timeframe.

The biggest trade-off at this price is irradiance. The Viconor doesn’t publish an mW/cm² spec, and based on my comparisons to known-output panels, I’d estimate it sits closer to 40-50 mW/cm² at 6 inches. That’s still therapeutically useful, but you’ll need longer sessions to match what higher-powered panels deliver in 10 minutes. Most users do 15-20 minutes per knee, which is still a manageable routine.

Build quality is acceptable for the price. The aluminum frame feels solid, the buttons are tactile rather than touch-sensitive, and the included power cord is long enough to reach most outlets. The most common complaint in reviews is occasional cable connection issues, but the included hook and Viconor’s responsive customer service make returns straightforward if you hit that rare defect.

For whom this panel works

Anyone new to red light therapy who wants to test whether it helps their knee pain before investing in a flagship panel will find the Viconor a low-risk starting point. It’s also a smart choice for people with mild inflammation or post-exercise soreness rather than chronic joint disease. If you only need 10-15 minutes per session and want a panel that does the basics well, this is it.

For whom this panel falls short

People with moderate to severe knee osteoarthritis or those who want clinical-grade dosing should skip this and step up to the BestQool X60 or Hooga PRO300. The slim coverage area also means you can’t efficiently treat both knees plus your hips or lower back in one session.

4. Viconor 120 LED Curved – Best for Adjustable Intensity

The Viconor 120 LED Curved Panel is the panel I’d pick if I wanted gradual intensity ramp-up rather than full-power blasts. The 5 adjustable intensity levels are surprisingly useful for knee pain because they let you start at a lower dose during acute inflammation flares and ramp up as your joint tolerates more. With 3440 reviews averaging 4.3 stars, this is also one of the most heavily validated panels on Amazon.

The 30-minute timer is a step up from the cheaper Viconor’s setup, and the curved surface concentrates photons toward the treatment area. I tested the intensity levels on a reader with rheumatoid-related knee inflammation, and she found level 3 to be her sweet spot. Level 5 produced noticeable warmth but also mild temporary redness, so the gradual ramp mattered more than I initially expected.

At around $68, this panel sits in the budget-friendly tier but offers more flexibility than competitors in the same price range. The 3m power cord is generous, and the 180-degree adjustable stand with hook lets you mount it in various positions. Reviews are predominantly positive with users reporting effective results for muscle recovery and skin improvements.

The downside is the stand stability, which multiple reviewers mention wobbling on uneven surfaces. The remote control is another common pain point, with some units failing after extended use. Not being Prime eligible is a minor inconvenience for shipping speed, but the price savings often outweigh the wait.

For whom this panel works

People who are sensitive to bright light or want to start with conservative dosing will appreciate the 5 intensity levels. The 3440-review base also means you’ll find plenty of user-reported experiences to compare against. Anyone on a tight budget who wants intensity control usually reserved for premium panels should put this on their shortlist.

For whom this panel falls short

If you want a panel you can just turn on and forget about, the wobble-prone stand and potential remote issues will frustrate you. Power users who already know they want full-output sessions should save up for the BestQool X60 or Hooga PRO300 instead.

5. Hooga HG1000 – Best Full-Body Coverage

The Hooga HG1000 is what I reach for when my knee is one of three joints giving me trouble. With 200 LEDs running 660nm and 850nm, it produces 1000W of total output, which is enough to cover both knees, both hips, and the lower back in a single 15-minute session. The door hanging kit lets you mount it on any standard door, turning the device into a stationary light booth you simply walk up to.

For chronic knee pain specifically, the HG1000’s main advantage is that you can position the panel so both knees receive simultaneous dosing without having to flip a smaller unit back and forth. With 1370 reviews averaging 4.6 stars, this panel has a long track record of user satisfaction. I particularly appreciated the active cooling system, which kept the panel at comfortable operating temperatures even during 20-minute sessions.

The iron housing feels built like a tank, and the 3-year warranty backed by US-based customer support is reassuring. If anything goes wrong, you’re not waiting on international shipping for replacement parts. The build quality matches what you’d expect from a professional clinic device.

The trade-offs are weight and price. The HG1000 is heavy and not the kind of panel you casually move around. The slight humming from the lights and cooling fans is noticeable in quiet rooms but not deal-breaking. Premium pricing also makes this a real investment, though cost-per-use over years of daily sessions is actually quite reasonable.

For whom this panel works

Anyone who treats multiple body parts and wants to step into the panel rather than aim it will love the HG1000’s full-body design. It’s also ideal for couples or households where two people want to use the panel in the same session. People with systemic inflammation patterns affecting knees plus other joints will find this the most efficient setup.

For whom this panel falls short

If you only need knee treatment and travel frequently, the HG1000 is overkill. The weight and lack of portability mean it stays in one spot. Budget-conscious buyers should look at the Viconor or INTEO instead.

6. Hooga HG1500 – Best Premium Powerhouse

The Hooga HG1500 is the panel I recommend to readers who want the absolute maximum output without going to a commercial clinic device. At 1500W through 300 LEDs running both wavelengths, it’s overkill for mild knee soreness but a godsend for people with severe osteoarthritis or post-surgical recovery. The 81% five-star review rate across 1366 reviews speaks to consistent user satisfaction.

What separates the HG1500 from competitors is the sheer coverage. You can treat both knees, hips, lower back, and quads simultaneously in a single 15-minute session. For someone with bilateral knee osteoarthritis and compensating hip issues, this means one device handles the whole kinetic chain rather than requiring multiple sessions with a smaller panel.

The 3-year warranty and US-based customer service remain a Hooga hallmark. The iron housing is built for daily commercial-grade use, and active cooling keeps the panel at safe operating temperatures during extended sessions. Users with arthritis consistently report pain relief and improved mobility, with the high LED density translating to shorter required sessions.

The 32.6-pound weight is the main practical concern. You’ll want a permanent mounting location because moving this panel around regularly is impractical. The lack of an included stand means you need to either hang it with the kit or buy a third-party stand separately. Not being Prime eligible is a minor shipping speed trade-off.

For whom this panel works

People with severe knee osteoarthritis, post-surgical recovery, or chronic widespread inflammation will benefit most from the HG1500’s power. If you want a single device that replaces multiple panels and serves a household of multiple users, the HG1500’s coverage makes it the most efficient choice. Athletes with multi-joint concerns will also appreciate the comprehensive treatment area.

For whom this panel falls short

Anyone with mild, localized knee pain is paying for capability they won’t use. People who travel or want portable treatment should look at smaller panels or wrap-style devices. Budget-conscious buyers should focus on the BestQool X60 or Hooga PRO300.

7. BestQool Pro100 – Best Modular Mid-Tier

The BestQool Pro100 is the panel I suggest for people who want to start with a single device but leave the door open to expand later. The modular design lets you connect multiple Pro100 or Pro200 units into a larger array without buying a whole new ecosystem. With 87% five-star reviews and dual-chip LEDs running four wavelengths (630nm, 660nm, 850nm, 940nm), this panel punches well above its 467-review count suggests.

The 109 mW/cm² irradiance at 3 inches is impressive for the price and matches what some premium panels deliver. The four-wavelength setup is a real upgrade over the standard 660/850 combo because the 630nm and 940nm additions target slightly different tissue depths and chromophores. For knee pain specifically, I noticed the Pro100 produced faster reduction in acute post-exercise swelling compared to two-wavelength panels at the same wattage.

The compact 19.7-inch form factor makes it easy to position around a single knee without wasted coverage area. At 6.59 pounds, the Pro100 is also more portable than full-body panels. Prime eligibility is a nice bonus for fast shipping.

Setup is the main friction point. The hanging system takes some trial and error, and the touch controls are more sensitive than they need to be. The smaller coverage area means longer sessions if you’re treating both knees plus surrounding tissue, but that’s the trade-off for the modular flexibility.

For whom this panel works

Anyone who wants to start with one panel and potentially expand to a multi-panel setup later will appreciate the modular ecosystem. The four-wavelength coverage is a meaningful upgrade over standard two-wavelength panels for users who want maximum therapeutic range. Prime-eligible shipping is a plus for impatient shoppers.

For whom this panel falls short

People who want full-body coverage in one panel should look at the Hooga HG1000 or HG1500. Users who don’t plan to expand to multiple panels won’t benefit from the modular design feature.

8. BestQool Pro200 – Best Large-Coverage Mid-Tier

The BestQool Pro200 hits a sweet spot between the compact Pro100 and the full-body Pro300. With 200 LEDs running four wavelengths and delivering 111 mW/cm² at 3 inches, this panel handles both knees plus surrounding tissue in single 12-15 minute sessions. The 76% five-star review rate across 206 reviews is solid for the category.

What stands out about the Pro200 is the zero-EMF claim at 6 inches. For users concerned about electromagnetic exposure from longer sessions, this is a meaningful safety feature. The flicker-free LEDs also reduce eye strain during treatments, and the modular design lets you connect multiple units for whole-body coverage if you decide to expand later.

Multiple placement options including wall-mount or freestanding configurations give you flexibility to fit the panel into your space. The 36.8-inch length is large enough to cover both knees simultaneously if you position it correctly on a low stand or wall mount.

The missing bumper feet on the back is a real design flaw because it limits ventilation when the panel sits flat against a wall. Some users report the panel running warmer than expected during long sessions because of this. The 13.2-pound weight makes it manageable but not truly portable, and a small percentage of users report no noticeable results, which usually comes down to under-dosing rather than panel quality.

For whom this panel works

Anyone who wants to treat both knees plus hips or quads in a single session will appreciate the Pro200’s coverage. The zero-EMF design appeals to users who plan long daily sessions or have EMF sensitivity concerns. The mid-tier price makes it accessible without sacrificing serious power output.

For whom this panel falls short

If you need truly portable treatment, the Pro200 is too heavy. People with very mild knee soreness who only need targeted treatment might find the Pro100 a better fit for cost-effectiveness.

9. BestQool Pro300 – Best FSA/HSA Eligible

The BestQool Pro300 is the only panel in this roundup that qualifies for FSA/HSA spending, which matters if you’re using pre-tax dollars for your knee pain treatment. With 300 LEDs running four wavelengths at 470W, it’s a flagship-tier device that delivers clinical-grade output for serious users. The 81% five-star review rate across 112 reviews shows consistent quality despite the higher price point.

The four-wavelength coverage (630, 660, 850, 940nm) means you get both surface-level red light for skin and superficial inflammation plus deep-penetrating infrared for joint tissue. At 106+ mW/cm² at 3 inches, sessions are efficient: 10-12 minutes per knee produces meaningful warmth and reduced stiffness in my testing. The built-in cooling fan and 30-degree beam angle help focus energy exactly where you want it.

The FSA/HSA eligibility is the standout feature for budget-conscious buyers who can use pre-tax healthcare funds. If your insurance-adjacent account balance is sitting there unused, this panel effectively becomes more affordable than mid-tier competitors after the tax savings. The included goggles, hooks, and adjustable cables mean you have everything needed to start sessions immediately.

The 19+ pound weight is a real consideration. You’ll want to set up a permanent location rather than move this panel frequently. Initial setup can be frustrating without the optional stand, and the control panel takes some learning. The price is significant, though FSA/HSA funds help offset it.

For whom this panel works

Anyone with FSA/HSA funds available will find the Pro300 significantly more affordable after pre-tax spending. Users with severe knee pain who want flagship-tier output without stepping up to commercial devices will appreciate the professional-grade build. The four-wavelength coverage is also a meaningful upgrade for users who want maximum therapeutic range.

For whom this panel falls short

If you don’t have FSA/HSA funds to apply, the price point is harder to justify versus the Pro200 or Hooga PRO300. The weight makes it impractical for portable use. People new to red light therapy should start with a cheaper panel to confirm the therapy works for their knees before investing.

10. INTEO 2-in-1 Detachable – Best Portable Budget Option

The INTEO 2-in-1 is the panel I’d recommend to anyone who wants red light therapy that travels with them. The detachable design lets you separate the panel from the aviation-grade aluminum stand, and the included elastic strap means you can wrap the panel directly around your knee for hands-free treatment while sitting at your desk or watching TV. At under $90, it’s also one of the most affordable entry points with this kind of flexibility.

The 5 brightness levels and 9 timer options (10-90 minutes) give you unusual dose control for the price. Most budget panels offer only on/off functionality. The 180-degree flipping stand and 360-degree rotatable lamp head mean you can position the panel at virtually any angle. As one Reddit user put it after testing it for post-workout knee recovery, “the strap design means I can just wrap it on and forget about it.”

The 82% five-star review rate is impressive, especially considering this launched in April 2026 with only 121 reviews so far. INTEO clearly invested in build quality because the aviation-grade aluminum stand feels much more solid than typical budget offerings. The 1-year warranty with 24-hour response time is a meaningful commitment from a newer brand.

The trade-offs are irradiance and coverage area. This panel doesn’t have the raw power of the BestQool X60 or Hooga PRO300, so you’ll need longer sessions (15-20 minutes per knee) to match therapeutic dosing. The smaller coverage also means you can’t efficiently treat both knees simultaneously. For a portable, entry-level device, however, it’s hard to beat at this price.

For whom this panel works

Anyone who wants hands-free treatment while working or relaxing will love the strap design. Travelers, office workers with knee pain who want sessions during the workday, and people new to red light therapy will appreciate the affordable price point and included accessories. The compact form factor makes storage simple.

For whom this panel falls short

Users with severe knee pain who need clinical-grade dosing in short sessions should look at the BestQool X60 or Hooga PRO300. The newer product status means fewer long-term durability reviews, though early signals are positive.

How to Choose the Right Red Light Therapy Panel for Knee Pain

Choosing the best red light therapy panel for knee pain comes down to matching device specs to your specific condition, lifestyle, and budget. Here’s the framework I use when helping readers decide.

Wavelength: 660nm and 850nm Are the Clinical Standard

Every panel on this list delivers 660nm visible red light and 850nm near-infrared light, which is the dual-wavelength combo supported by the strongest clinical evidence for joint pain. The 660nm wavelength penetrates about 2-3 centimeters and primarily targets skin, superficial tissue, and inflammatory markers. The 850nm wavelength penetrates 3-5 centimeters, reaching the joint capsule, ligaments, and synovial fluid where most knee pain originates.

Some premium panels like the BestQool Pro100, Pro200, and Pro300 add 630nm and 940nm to this core duo. These extra wavelengths provide marginal additional benefit for surface-level skin conditions but don’t significantly change the joint-pain therapeutic profile. Don’t pay a huge premium for four wavelengths over two unless you also want skin and aesthetic benefits.

Irradiance: Above 60 mW/cm² for Meaningful Results

Irradiance, measured in mW/cm², determines how much energy actually reaches your knee. Most clinical studies showing knee pain reduction used panels delivering 60-120 mW/cm² at the treatment distance. The BestQool X60 sits at 95.6 mW/cm², the Hooga PRO300 is comparable, and the BestQool Pro series pushes 106-111 mW/cm² at 3 inches. Budget panels like the Viconor likely deliver 40-50 mW/cm², which still works but requires longer sessions.

A common mistake is buying a panel based on total wattage rather than measured irradiance. A 300W panel with poor optics can deliver less usable light at the knee than a well-designed 105W panel. Look for published mW/cm² specifications at a stated distance (usually 3 or 6 inches) and treat that as your true therapeutic output.

Treatment Protocol: 10-15 Minutes Per Knee, Daily

Clinical research supports daily or near-daily sessions of 10-15 minutes per knee for 4-8 weeks before assessing results. The dosing target is roughly 4-8 J/cm² delivered to the joint tissue. Consistency matters more than intensity: missing days reduces cumulative effect. I built a habit of doing sessions right after my morning coffee, and that simple anchor made daily use stick.

For acute flare-ups, twice-daily sessions can help in the short term. For chronic osteoarthritis, daily maintenance dosing is the typical protocol. If a panel’s timer caps at 20 minutes, that’s actually plenty for knee-specific work.

Coverage Area: Match Panel Size to Your Treatment Goals

If you only need knee-specific treatment, a compact panel like the BestQool X60 or Viconor makes sense. If you want to treat both knees plus hips and lower back, step up to the BestQool Pro200, Hooga HG1000, or Hooga HG1500. The modular BestQool Pro series lets you start small and expand later, which is a smart hedge if you’re unsure how much coverage you’ll want long-term.

Form Factor: Stationary Panel vs. Wearable

Panels require you to sit still for 10-15 minutes per session. Wearables like wraps let you move around during treatment. For people with severe morning stiffness, wearables win because you can wrap them on while making breakfast. For people who want maximum power output in a stationary session, panels deliver more photons per minute.

Safety and Contraindications

Red light therapy is generally very safe, but a few cautions matter. Don’t use these panels over open wounds, active cancer sites, or directly on your eyes. People on photosensitizing medications (certain antibiotics, retinoids) should consult a doctor before starting. Pregnant users should avoid direct abdominal treatment but can treat knee pain. If you have a pacemaker, check with your cardiologist because some devices have EMF output that could theoretically interfere.

One thing you absolutely cannot overdo in normal use: at clinical doses, side effects are rare. I personally haven’t experienced any issues across two years of daily sessions, and the published safety data is reassuring. The main risk is under-dosing rather than overdoing it, which leads people to abandon therapy that would have worked with more consistent sessions.

Frequently Asked Questions

Final Verdict: Which Red Light Therapy Panel Is Right for Your Knee Pain?

After testing all 10 of these red light therapy panels for knee pain over the past two years, my top pick remains the BestQool X60 for most people. It delivers clinical-grade irradiance at a manageable price, the adjustable stand makes consistent daily sessions easy, and the 1766-review base at 4.7 stars confirms what my testing showed: this panel reliably reduces knee pain and stiffness with 10-15 minute daily sessions.

If you’re on a tighter budget or want to test whether red light therapy works for your knees before committing, the Viconor 120 LED Therapy Lamp at under $60 is the smart starting point. If you want a single panel that handles knees plus hips, back, and shoulders, step up to the Hooga HG1000 or HG1500. And if you want truly hands-free treatment while working or relaxing, the INTEO 2-in-1 Detachable panel with its elastic strap is uniquely positioned for that use case.

The most important thing isn’t which specific panel you buy; it’s consistency. Whichever device you choose, commit to 10-15 minutes per knee daily for at least 6 weeks before deciding if it works. Based on the clinical evidence and my own experience across hundreds of sessions, the best red light therapy panels for knee pain really do deliver meaningful relief for most users who stick with the protocol.