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Red Light Therapy for Tendonitis, Bursitis & Joint Support
05.10.25
Joint pain can stop you in your tracks. Whether it’s tendonitis, bursitis or general wear and tear. Many people search for natural, non invasive ways to reduce inflammation and support healing, which is why red light therapy (also called photobiomodulation) is getting so much attention.
Below, we’ll look at what the science says about using red and near-infrared (NIR) light to support joints, how to use it safely at home and what to look for in a quality red light device.
Understanding Tendonitis and Bursitis
Tendonitis occurs when a tendon — the strong, fibrous tissue that connects muscle to bone becomes irritated or inflamed. This often develops after repetitive movements, overuse in sports or work, poor posture or sudden increases in activity. Common sites include the shoulders, elbows (tennis or golfer’s elbow), wrists, knees and ankles. When a tendon is inflamed, even simple movements can feel sharp or achy, and ignoring the pain can lead to chronic discomfort or small tendon tears.
Bursitis affects the bursae, tiny, fluid-filled sacs that act like cushions between bones, tendons and muscles. When these sacs become irritated, they swell and lose their ability to reduce friction, leading to pain and tenderness around joints such as the hips, knees, shoulders and heels. Bursitis can be triggered by repetitive pressure, sudden impact or underlying conditions like arthritis.
Both tendonitis and bursitis may cause pain, swelling, warmth, stiffness and reduced range of motion. Standard treatment often includes rest, ice, compression, elevation (RICE), physiotherapy, anti-inflammatory medication and activity modification. However, many people are now turning to red light therapy as a safe, non-invasive option to complement traditional care, aiming to reduce inflammation and speed up healing.
How Red Light Therapy Helps Joint Pain & Inflammation
Red light therapy works by delivering specific wavelengths of red light (630–660nm) and near-infrared light (810–850nm) deep into the body’s tissues. These wavelengths are able to penetrate the skin and reach the cells that make up muscles, tendons, and joints, something ordinary visible light can’t do.
Once this light is absorbed, it interacts with the mitochondria, the tiny “power plants” inside our cells. This interaction helps mitochondria make more adenosine triphosphate (ATP), the molecule your body uses for cellular energy and repair. When cells have more energy, they can repair damage faster, reduce inflammation and restore normal function.
In addition to boosting cellular energy, red and near-infrared light have been shown to:
Calm inflammation: They influence how cells signal to each other and help reduce oxidative stress, a major driver of chronic pain and swelling.
Improve circulation: By supporting healthier blood flow, they help deliver oxygen and nutrients to injured areas and remove waste products more efficiently.
Stimulate collagen production: Collagen is a vital protein for tendon strength, flexibility and overall joint support.
For conditions like tendonitis and bursitis, this cellular boost can translate to less pain, reduced swelling, faster healing and improved mobility, especially when combined with rest, gentle movement and physiotherapy.
Research Spotlight
Red light therapy can help tendon injuries heal and reduce pain.
A review of studies found that red and near-infrared light can reduce pain and improve function in people with tendinopathy (tendon injuries).
Read the study ›
Red light therapy has been shown to help with long-term joint pain.
A 2022 review reported that low-level laser therapy (red and near-infrared light) reduced pain and disability in people with chronic tendon and foot problems such as plantar fasciitis.
Read the study ›
Research shows light can help tendons repair themselves.
A lab study found that LED light sped up tendon healing, reduced scarring and improved tissue quality.
Read the study ›
Light therapy shows promise for general joint and soft tissue recovery.
Reviews of sports and injury research suggest red and near-infrared light may reduce inflammation, speed recovery and improve pain in joint problems like arthritis.
Read the review ›
How to Use Red Light Therapy for Tendonitis or Bursitis
1. Session Frequency
Start with 4–7 sessions per week on the affected area.
As symptoms improve, you can drop to 2–3 maintenance sessions.
2. Treatment Time
10–20 minutes per area is usually effective.
Keep the light 10–30cm from the skin with high-quality panels. Handheld or targeted devices can be used closer.
3. Consistency Matters
Relief builds gradually over 2–6 weeks of regular use.
Combine with stretching, mobility work and physiotherapist guidance if advised.
4. Comfort & Safety
Use on clean, dry skin.
Stop if you experience unusual irritation and consult a professional if unsure.
Baxter Blue’s TGA-certified red light panels include preset programs for pain and inflammation, making it easy to get the right dose at home.
Choosing the Right Red Light Therapy Device
Not all light therapy products are created equal. Look for:
Wavelengths: 630nm & 660nm (red) + 810nm, 830nm & 850nm (NIR) for deeper penetration.
High irradiance: Delivers effective light energy for joints and connective tissue.
Medical certifications: TGA-certified, FDA registered, CE compliant.
Smart presets & timers: Help you follow safe, evidence-based sessions.
Low EMF & flicker-free design: For safe, comfortable use.
Explore Baxter Blue’s Red Light Therapy Collection
— designed for joint recovery, pain management and overall wellbeing.
FAQs on Red Light Therapy for Joint Pain
Does red light therapy help tendonitis?
Yes, research shows it can reduce inflammation and pain, helping tendons heal faster.
How long until I feel results?
Many people notice some relief in 2–3 weeks, but deeper healing can take longer.
Can I use it daily?
Yes, daily use for 10–20 minutes per area is safe for most people.
Will it replace other treatments?
It’s best as a complement to physiotherapy, stretching and other medical advice.
Final Thoughts
If you’re dealing with tendonitis, bursitis or persistent joint pain, recovery can feel slow and frustrating. Traditional options like rest, ice and physiotherapy are important, but they don’t always provide enough relief on their own. That’s where red light therapy can help — it’s a safe, non-invasive way to support your body’s natural healing process.
By improving cellular energy, calming inflammation and boosting circulation, red and near-infrared light may help you move more freely, experience less pain and return to the activities you love sooner. While it isn’t an instant fix or a replacement for professional care, it can be a powerful complement to your recovery plan.
Choosing the right device matters. Look for one that delivers proven therapeutic wavelengths (630–850nm), offers enough power to reach deep tissues and is backed by trusted medical certifications. Baxter Blue’s red light therapy range is TGA-certified, high-irradiance and designed for safe at-home use, so you can treat sore joints and support recovery with confidence.
Red Light Therapy
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