Sore muscles after a workout? Tight shoulders after a long workday? Tired feet after hours of standing? Red light therapy has become an increasingly popular part of modern recovery routines.
But how much can light really do for muscle discomfort? What is the difference between red and near-infrared light? And how can you incorporate light-based wellness into your daily routine?
In this guide, we explore the science behind red light therapy, what current research suggests about muscle recovery, and how to choose light-based care for different areas of your body.
Can Red Light Therapy Help With Muscle Soreness?
Possibly, depending on how and where it is used. Research into photobiomodulation suggests that targeted red and near-infrared light may help reduce certain types of exercise-related muscle soreness.
However, results depend on the wavelength, treatment dose, timing, device and area being treated. Evidence from clinical studies does not automatically establish effectiveness for every at-home light therapy product.
What Is Red Light Therapy?
Red light therapy is a non-invasive, light-based approach that uses selected wavelengths of visible red light or near-infrared light.
In scientific research, this technology is often referred to as photobiomodulation (PBM). Researchers study how light at particular wavelengths and doses interacts with biological tissue.
Unlike ultraviolet light used in tanning, red and near-infrared light do not depend on UV exposure. They are also different from ordinary heat therapy: the proposed biological effects of photobiomodulation are not simply the result of warming the skin.
Light-based care is not a shortcut to recovery.
Photobiomodulation is being studied as a complementary recovery approach. It does not replace adequate rest, healthy movement, sleep or appropriate medical care.
How Does Red Light Therapy Work for Muscles?
Scientists are exploring several ways that specific wavelengths of light might influence cellular processes involved in tissue function and recovery.
Cellular Energy Signaling
Photobiomodulation may interact with cellular processes associated with mitochondria, which participate in energy production.
Inflammatory Response
Researchers are investigating whether certain light doses influence biological signaling related to inflammation and tissue stress.
Muscle Recovery
Some clinical studies examine changes in soreness, strength and recovery after exercise-related muscle fatigue.
These mechanisms are still being investigated. A potential biological response does not guarantee noticeable pain relief or improved recovery in every person.
What Does Science Say About Red Light Therapy for Muscle Pain?
Research into photobiomodulation has produced encouraging findings in some settings, particularly with targeted light applications around physical exercise.
But studies are not identical. Researchers use different wavelengths, treatment durations, energy doses and outcome measures.
| Research Area | What Studies Suggest | Important Limitation |
|---|---|---|
| Exercise-Related Soreness | Some targeted protocols may reduce delayed-onset muscle soreness. | Results depend on dose, timing and the muscles being treated. |
| Muscle Performance | Certain studies report improvements in selected performance measures. | Effects are not consistent across every treatment protocol. |
| Whole-Body Red Light | Whole-body photobiomodulation remains an active area of research. | Reliable improvements in exercise recovery have not been established. |
| Everyday Muscle Discomfort | Light-based therapies are being explored for various conditions. | Evidence for one type of pain cannot automatically be applied to another. |
What Recent Reviews Found
Research reviews published in 2025 describe possible benefits from certain targeted photobiomodulation protocols for exercise-related muscle soreness.
However, other reviews examining whole-body photobiomodulation have not established consistent improvements in exercise performance or post-exercise recovery.
Targeted treatment is not the same as whole-body treatment.
A study involving a particular treatment area, wavelength or clinical device does not prove that every consumer red light mat, belt or wearable provides the same benefits.
Red Light vs. Near-Infrared: Which Is Better for Muscles?
Both visible red light and near-infrared light appear in photobiomodulation research, but they belong to different parts of the spectrum.
Typically 620–700 nm
Red light is visible to the human eye. It is commonly discussed in skincare and superficial-tissue research.
Typically 700–1,000 nm
Near-infrared light is generally invisible to the human eye. Depending on the wavelength and tissue, it can reach deeper than visible red light.
Neither wavelength is automatically better. Appropriate light delivery depends on the intended application, device design, total energy and treatment protocol.
Want to explore this topic further? Read our HEVELORA guide: Red Light vs. Near-Infrared: What's the Difference?
Why Is Red Light Therapy Popular in Everyday Wellness?
Muscle soreness and discomfort are not limited to athletes. Our everyday routines can leave different parts of the body feeling tired, tense or in need of a little extra care.
After Exercise
Strength training, running and unfamiliar physical activities may leave muscles feeling sore during recovery.
After a Long Workday
Long periods of sitting, standing or repetitive activity can contribute to everyday feelings of tension.
During Self-Care Time
A few quiet moments for relaxation and personal care can make wellness habits easier to maintain.
At-home red light devices offer convenience for people interested in light-based wellness. Their suitability and benefits depend on their particular features and intended use.
How to Build a Simple At-Home Recovery Routine
Your recovery routine does not need to be complicated. Small habits that you can maintain consistently often provide a more realistic starting point.
Pay Attention to Your Body
Notice when and where discomfort appears. Persistent or unexplained pain should be assessed by a healthcare professional.
Start With Gentle Movement
Comfortable walking or gentle mobility exercises can help you transition from a long period of sitting or inactivity.
Add Light-Based Care if Appropriate
If you choose to use a red light device, follow its instructions for treatment duration, positioning and frequency.
Make Room for Rest
Sleep, hydration and adequate time between demanding activities remain essential parts of healthy recovery.
Adjust to Your Comfort
If a device causes irritation or unusual discomfort, discontinue use and seek appropriate professional guidance.
Red Light, EMS and Heat: Understanding the Differences
Modern home wellness devices may combine multiple technologies to create a more versatile personal care experience.
Red light therapy, electrical muscle stimulation and heat are not the same technology. Each works differently.
| Technology | How It Works | Everyday Application |
|---|---|---|
| Red & Near-Infrared Light | Delivers selected wavelengths of light to tissue. | Used in light-based wellness and photobiomodulation research. |
| EMS | Uses electrical pulses to produce muscle stimulation. | Allows adjustable muscle activation as part of a device-specific routine. |
| Soothing Heat | Delivers controlled warmth. | Creates a comforting warming sensation during relaxation. |
Combining technologies can make a device more versatile, but does not automatically establish better clinical outcomes.
Explore Red Light Therapy for Different Parts of Your Body
From tired feet to everyday hand and wrist care and your waist routine, HEVELORA makes light-based wellness easier to incorporate into everyday life.
Discover three at-home products designed for different body areas and personal care preferences.
HEVELORA Red Light EMS Foot Mat
After a long day of walking, standing, or simply being on your feet, make time for a little relaxation.
This foot mat combines red light, adjustable EMS stimulation and soothing warmth in one convenient at-home foot-care routine.
HEVELORA Spectrum Pro EMS Waist Sculpting Belt
Bring your body-care routine home without adding another complicated step to your schedule.
The Spectrum Pro combines 660nm red light, 850nm near-infrared light, additional visible light modes, EMS stimulation and adjustable warmth for personalized waist and core care.
HEVELORA Red Light Hand & Wrist Wrap
Your hands work hard every day, from typing and cooking to the countless small tasks in between.
This adjustable wrap brings together 660nm red light, 850nm near-infrared light and comfortable targeted coverage for hand and wrist care.
HEVELORA products are intended for their respective at-home wellness routines. Research discussed in this article does not establish clinical results for these specific products.
Is Red Light Therapy Safe?
Red light therapy is generally considered non-invasive, and short-term use appears reasonably safe when an appropriate device is used according to its instructions.
However, incorrect exposure may create unwanted skin or eye risks, and information about long-term use remains limited.
Comfort and appropriate use come first.
Follow the manufacturer's instructions, including any required eye protection. Seek professional advice if you have a medical condition, take photosensitizing medication, are pregnant, have an implanted electronic device, or are unsure whether light therapy or EMS is appropriate for you.
Seek medical attention for severe, persistent or worsening muscle pain, significant swelling, injury, weakness or other concerning symptoms.
Better Recovery Starts With Understanding Your Body.
Red and near-infrared light offer an interesting direction for muscle recovery research, particularly when treatment is targeted and delivered under studied conditions.
Some studies suggest potential benefits for exercise-related muscle soreness, but the results are not universal and more high-quality research is needed.
Whether your day involves working, exercising, standing or simply taking care of everyone around you, making time for your own comfort can be a valuable habit.
Move thoughtfully. Rest consistently. Make time for yourself.Frequently Asked Questions
Can red light therapy help sore muscles after exercise?
Some studies suggest that targeted photobiomodulation may help reduce exercise-related soreness. Results depend on the treatment protocol and are not guaranteed.
Is red light or near-infrared better for muscles?
Near-infrared light can penetrate deeper into some tissues, but deeper penetration does not automatically mean better treatment results. Both wavelength and dose matter.
How often should I use red light therapy?
There is no universal frequency suitable for every device or purpose. Follow the instructions provided with your specific product.
Can red light therapy replace stretching or rest?
No. Appropriate rest, physical activity, healthy sleep and recovery habits remain important for general well-being.
Is red light therapy the same as heat therapy?
No. Photobiomodulation uses specific light wavelengths, whereas heat therapy relies primarily on warming tissues. Some devices combine both functions.
Can I combine red light with EMS?
Certain devices offer both technologies. Use them according to the product instructions and safety precautions. Evidence for photobiomodulation alone does not prove additional benefits from combined use.
Are at-home red light products suitable for different body areas?
Different products are designed for different body areas, such as the feet, waist, hands or wrists. Choose a device specifically intended for your preferred area and follow its instructions.
Research & Further Reading
- Effects of Photomodulation Therapy for Delayed Onset Muscle Soreness: A Systematic Review and Meta-Analysis (2025). Read research
- A systematic review on whole-body photobiomodulation for exercise performance and recovery (2025). View review
- Canez MS, et al. Effects of photobiomodulation, intermittent pneumatic compression and neuromuscular electrical stimulation on muscle recovery: systematic review with meta-analysis (2025). View study
- Cleveland Clinic. Red Light Therapy: Benefits, Side Effects & Uses. Medical overview