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A diagram comparing 660nm vs 850nm wavelengths, showing red light stopping at the skin and near-infrared light penetrating to deep muscle tissue.

Why Wavelength Matters: 660nm & 850nm Explained

In the rapidly growing field of red light therapy, numbers are everywhere: 630nm, 810nm, 830nm, and more. With so many...

16 okt. 2025

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The Science

Does Red Light Therapy Cause Skin Cancer

Red light therapy generally does not cause skin cancer when used correctly. Red light is non-ionizing radiation with low energy...

25 apr. 2025

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The Science

How Long Should You Do Red Light Therapy

The duration of red light therapy varies from person to person, and it is usually recommended to use it for...

23 apr. 2025

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The Science

User Stories

Krysta Dodd’s Journey: Overcoming Lower Back Pain with Prungo Red Light Therapy

Discover how Krysta Dodd relieved chronic lower back pain and...

13 feb. 2026

User Stories

Sherie Hinds' Two-Month Journey with Prungo: A Chronic Fatigue Syndrome Survivor's Experience

Sherie Hinds shares her journey with Chronic Fatigue Syndrome (CFS),...

13 feb. 2026

User Stories

Traci's Path to Recovery: How Prungo FluxGo Transformed Her Knee Healing Journey

Discover how athlete Traci Duty uses Prungo red light therapy...

13 feb. 2026

User Stories

Patrick Caron’s Journey with Prungo: A Triathlete's Road to Recovery

Discover how triathlete Patrick Caron overcame a stubborn Achilles injury...

13 feb. 2026

User Stories

Travis's Road to Recovery: How PRUNGO FluxGo Transformed My Fitness Routine

Optimize your fitness after 40. Learn how to overcome muscle...

13 feb. 2026

User Stories

Our Topics

The Future of Recovery? A Deep Dive into PRUNGO and the Science of Red Light Therapy Devices

3 feb. 2026

Beyond the "New Age" Hype: A 6-Month Deep Dive into Red Light Therapy for Chronic Pain

3 feb. 2026

$599 vs. $17,000: Can Home Red Light Therapy Devices Compete with Professional Class IV Lasers?

3 feb. 2026

Can Red Light Therapy Devices Really Save Your Knees? A Deep Dive into the PRUNGO FluxGo Test

2 feb. 2026

Can Red Light Therapy Cause Cancer Cells to Grow

26 jan. 2026

Does Red Light Therapy Help Acne

18 jan. 2026

Is Red Light Therapy Bad for Your Eyes

18 jan. 2026

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A quality product

I have been using my Prungo FluxGo for a short time and am impressed with the ease of use and build quality of this product. Communication with the support team has been good. It’s too early to say if it will help with my knee recovery but I am hopeful for a good outcome.

Amazing for Shoulder and Back Pain

I’ve been using it daily for my shoulder and back pain. It has helped with the stiffness and tension I used to feel constantly. I’ve never felt this good after a long day!

Knee surgery recovery

I had knee surgery last year, and this red light therapy has accelerated my recovery. My knee feels stronger, and I’m able to walk without pain. It’s a small investment for a big improvement.

Very Comfortable

Great for muscle pain relief. It’s comfortable to use, and I can feel the heat soothing my muscles. I use it in the evenings before bed to relax.

impressive for arthritis relief

Being in my late 60s, arthritis in my hands and knees was really starting to take its toll. I started using PRUNGO on my wrists and knees daily, and after a few weeks, I’m amazed by how much better I feel. It doesn’t eliminate the pain completely, but it definitely makes it more manageable.

Aids in post-workout recovery

I’ve been using this red light therapy after my workouts, and I can feel a huge difference in my recovery time. My muscles don’t feel as sore, and I’m able to train harder the next day.

Skeptical but Surprised

I bought this with low expectations but was surprised by how much it helped with the stiffness in my back and neck. I use it every evening, and it’s definitely been soothing. The pain is reduced, and I feel like I’m moving better overall. I’m convinced red light therapy works!

Improves flexibility

I use it on my hips and lower back, and I’ve noticed a huge improvement in flexibility. It’s perfect for helping with stiffness, and I can feel the difference after each session.

It Really Works for Joint Pain

I’ve been using this on my knees and shoulders for a few weeks now. As someone who’s always on their feet for work, the PRUNGO device has brought significant relief. I can get through the day without my joints hurting as much. I also like that it’s portable and easy to use.

Worth the Investment

I was initially skeptical, but after using the device for a month, I can see a noticeable reduction in my lower back pain. It’s easy to use, and I like how the heat feels while I’m applying it. The price was worth it, and I’m glad I gave it a try.

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PRUNGO Blog Center

Why Wavelength Matters: 660nm & 850nm Explained

Does Red Light Therapy Cause Skin Cancer

How Long Should You Do Red Light Therapy

Krysta Dodd’s Journey: Overcoming Lower Back Pain with Prungo Red Light Therapy

Sherie Hinds' Two-Month Journey with Prungo: A Chronic Fatigue Syndrome Survivor's Experience

Traci's Path to Recovery: How Prungo FluxGo Transformed Her Knee Healing Journey

Patrick Caron’s Journey with Prungo: A Triathlete's Road to Recovery

Travis's Road to Recovery: How PRUNGO FluxGo Transformed My Fitness Routine

The Future of Recovery? A Deep Dive into PRUNGO and the Science of Red Light Therapy Devices

Beyond the "New Age" Hype: A 6-Month Deep Dive into Red Light Therapy for Chronic Pain

$599 vs. $17,000: Can Home Red Light Therapy Devices Compete with Professional Class IV Lasers?

Can Red Light Therapy Devices Really Save Your Knees? A Deep Dive into the PRUNGO FluxGo Test

Can Red Light Therapy Cause Cancer Cells to Grow

Does Red Light Therapy Help Acne

Is Red Light Therapy Bad for Your Eyes

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