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Red Light Therapy for Horses – Frequently Asked Questions
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Red light therapy (photobiomodulation) is increasingly used in equine wellness programs to support circulation, soft tissue health, recovery, and joint comfort. Below are evidence-informed answers to common questions about ReGen Equine products and our Tri-Wave Light System™.
General Photobiomodulation Questions
What is red light therapy for horses?
Red light therapy, also known as photobiomodulation, is a non-invasive wellness approach that uses specific red and near-infrared wavelengths to support circulation, cellular activity, tissue recovery, and joint comfort. It is commonly used alongside veterinary and farrier care.
How does photobiomodulation work?
Specific wavelengths of light are absorbed by cellular components (primarily within the mitochondria), supporting normal cellular energy processes. This may assist circulation, soft tissue response, and overall recovery when used consistently and appropriately.
What wavelengths does ReGen Equine use and why?
ReGen Equine devices are powered by our Tri-Wave Light System™:
• 660nm – Supports surface tissues, skin health, and microcirculation
• 850nm – Targets muscles, tendons, ligaments, and joint structures
• 940nm – Supports deeper tissue layers and dense anatomical regions
This layered wavelength structure is designed to support tissue at multiple depths rather than relying on a single infrared output.
Why does ReGen Equine use multiple wavelengths instead of a single infrared light?
Different wavelengths interact with tissue differently. Red light (around 660nm) primarily supports superficial tissue layers and circulation, while near-infrared wavelengths such as 850nm and 940nm penetrate deeper into muscle and dense anatomical structures.
Using a multi-wavelength system allows for layered tissue support rather than focusing on a single depth. The goal is structured coverage — surface to deeper regions — within one session.
Does 940nm make a difference?
940nm is absorbed differently than 850nm and interacts with deeper, denser tissue regions. While 850nm is widely used in photobiomodulation devices, 940nm adds an additional near-infrared layer that may support deeper anatomical structures.
ReGen Equine includes 940nm as part of our Tri-Wave Light System™ to support a broader depth range rather than relying on one infrared wavelength alone.
Why doesn’t ReGen Equine use blue light (around 460nm)?
Blue light wavelengths (around 460–470nm) are most commonly associated with surface-level applications such as dermatological or bacterial-focused use. They have limited penetration depth compared to red and near-infrared wavelengths.
ReGen Equine focuses on red (660nm) and near-infrared (850nm and 940nm) wavelengths that are more commonly associated with supporting deeper muscle, tendon, ligament, and joint structures in equine applications.
Is LED light therapy the same as laser therapy?
No. Both LED photobiomodulation and Class 3/4 laser therapy use light energy, but they differ in delivery method and intensity. LEDs provide broader, non-coherent light across larger surface areas, while lasers deliver concentrated, coherent light to precise points. LED systems are commonly used for ongoing wellness support and maintenance.
Is red light therapy safe for horses?
Yes. Red light therapy is widely regarded as safe and non-invasive when used as directed. It should be used responsibly and alongside veterinary guidance when addressing injuries or medical conditions.
Usage & Dosing
How long should sessions be?
Typical sessions range from 5–15 minutes per area. Begin conservatively and adjust based on your horse’s response. Do not exceed 15 minutes per area unless directed by a veterinary professional.
How often can therapy be used?
• Daily for maintenance or recovery
• Several times per week for ongoing support
• As needed following work or during stiffness
Consistency is more important than long sessions.
Can red light therapy be used on acute injuries?
Red light therapy may be used during recovery phases. During the immediate acute inflammatory stage, shorter sessions or red-light-dominant use may be preferred. Always follow veterinary guidance for acute trauma or severe inflammation.
When will I see results?
Some horses appear more relaxed or move more freely after a few sessions. Chronic concerns typically require consistent use over several weeks.
Condition Support
Laminitis & Founder
Red light therapy is commonly used as supportive care to help encourage circulation and comfort alongside veterinary and farrier management.
Recommended products:
• Essential Series Hoof Boots – maintenance and early support
• PRO Series Hoof Boots – deeper, advanced support
Navicular & Chronic Heel Pain
Often incorporated into long-term management programs to support circulation and comfort.
Recommended products:
• Essential Series Hoof Boots – daily maintenance
• PRO Series Hoof Boots – advanced chronic support
Tendon & Ligament Support
Red and near-infrared wavelengths are commonly used to support soft tissue recovery programs.
Recommended products:
• PRO Series Leg Wraps
• Essential Series Leg Wraps
• Infrared Therapy Pads
Arthritis, Stiffness & Senior Horses
Frequently used to support joint comfort, flexibility, and daily mobility.
Recommended products:
• Hock & Knee Boots
• Stifle Wraps
• Infrared Therapy Pads