Can Red Light Therapy Heal Your Thyroid?

Exploring the Science Behind the Claims

Illustration of the thyroid gland glowing with red light, symbolizing the healing effects of red light therapy on thyroid function — Red light therapy may support thyroid healing and reduce Hashimoto’s symptoms—here’s what the science says.

Imagine using light to improve your thyroid function, reduce autoimmune antibodies, and even ditch your thyroid medication. It sounds futuristic, but emerging clinical research suggests red light therapy might offer precisely these benefits—without drugs or surgery.

In this article, we break down:

✅ What red light therapy is and how it works
✅ The three key studies showing benefits for hypothyroidism and Hashimoto’s
✅ How to safely use red light therapy at home
✅ What devices actually work—and which are overpriced gimmicks

💡 How Red light therapy Helps the Thyroid

The thyroid is rich in mitochondria, making it an ideal target for red light therapy. Here’s how it supports thyroid health:

Boosts hormone production (T3, T4)

Red light therapy enhances the function of mitochondria, the energy centres of cells, which are especially abundant in the thyroid gland. When stimulated by red and near-infrared light, mitochondria produce more ATP, giving thyroid cells the energy they need to function properly—including the synthesis and secretion of T3 and T4 hormones. This can be particularly helpful in hypothyroidism, where hormone output is insufficient.

Reduces TPO antibodies in Hashimoto’s (an autoimmune thyroid condition)

Multiple clinical trials have shown that red light therapy can lead to a significant reduction in thyroid peroxidase (TPO) antibodies—markers of autoimmunity in Hashimoto’s thyroiditis. This effect may be due to improved tissue integrity and reduced inflammation, which helps “seal” the gland’s barrier and calm immune system over-activation.

Improves circulation to the gland

By increasing the release of nitric oxide, red light therapy promotes vasodilation, or widening of blood vessels. This improves blood flow to the thyroid gland, ensuring it receives the oxygen and nutrients required for healing and hormone production. Better circulation also helps flush out inflammatory byproducts.

Stimulates tissue repair and reduces fibrosis

Red light activates cytochrome c oxidase in the mitochondria, which initiates a cascade of healing responses. This includes enhanced collagen production and reduced fibrotic tissue (hardening or scarring), as seen on ultrasound imaging in clinical trials. Over time, this improves the echogenicity (health) of thyroid tissue.

May reduce or eliminate the need for medication in some people

Perhaps the most exciting finding: several studies report that 30–50% of patients using red light therapy were able to reduce or even stop thyroid hormone medication altogether. This is likely due to the restoration of the thyroid’s ability to produce hormones naturally. However, patients should work closely with their doctors and monitor thyroid labs regularly to avoid overmedication.

📊 Evidence from Clinical Studies

1. 2022 Clinical Trial

Subjects took selenium, iron, and vitamin D—with or without red light therapy.

29% discontinued thyroid meds
500-point drop in TPO antibodies
T3 levels increased

2. 2023 Clinical Trial (38 women with Hashimoto’s)

Red light therapy was done twice per week for 3 weeks, combined with nutrients.

TSH decreased by 2 points
TPO antibodies dropped by 433 points
12-pound weight loss
Improved T3/T4 levels

3. Placebo-Controlled RCT (The Gold Standard)

Participants did 10 sessions over 5 weeks.

600-point drop in antibodies in the red light group
48% discontinued medication
Placebo group saw an increase in antibodies

🔁 A 6-year follow-up showed that benefits can last up to 11 months, but retreatment is needed annually to maintain results.

🧠 Bonus Benefits of Red Light Therapy

In addition to thyroid improvements, clinical studies have reported:

⚡ Increased energy (via ATP production)
😊 Improved mood (via better circulation and nitric oxide release)
🧴 Smoother skin & fewer wrinkles
💇‍♀️ Reduced hair loss
💪 Improved fatigue in fibromyalgia patients

⚠️ Any Risks?

Red light therapy is generally very safe. Occasional skin irritation is the most common issue. Use caution if:

You are pregnant (not enough safety data)
You shine the light directly into your eyes (close your eyes during sessions)
You already take thyroid medication – watch for signs of overmedication like jitteriness, insomnia, or palpitations

💡 Always monitor your thyroid levels, especially if you’re already on hormone replacement. Red light therapy may restore natural hormone production, and your medication dose may need adjusting.

🛠️ Best Red Light Devices (Without Overpaying)

Many devices use identical light wavelengths, but prices vary wildly based on branding.

✅ Recommended Devices

BonCharge Mini Red Light – $299
- 660–850 nm; handheld; FDA registered
PlatinumLED Biomax Panel – $700
- 480–1000 nm; large panel; ideal for full-body use

❌ Overhyped Device to Avoid

Dermalux Flex – $2,500
- Same wavelengths (415, 630, 830 nm)
- No unique benefits—just premium marketing

🔴 Recommended Device from Red Light Rising

Red Light Rising Advantage 2.0 Panel – £1,150 (Advantage 900) / £765 (Advantage 450)

Offers five therapeutic wavelengths (630, 660, 810, 830, and 850 nm), hitting all the key red and near-infrared bands used in thyroid studies.
Ultra-high irradiance (~77.6 mW/cm² at 15 cm) for effective cellular penetration and fast treatments.
Professional-grade features: flicker-free LEDs, whisper-quiet fans, low EMF, touch-screen with preset modes, modular design, and robust warranty.

Click here to order, use discount code REDLIGHTDISCO10 for 15% off

⚖️ Comparison: Half Stack vs Advantage 2.0

Model	Coverage	Wavelengths	Irradiance (strong enough)	Features
Advantage 2.0 Panel	Half or Full body	5 wavelengths (incl. 830 nm)	77.6 mW/cm² at 15 cm	Presets, touchscreen, modular, low EMF
Half Stack Panel (£499)	Torso/Medium	Four wavelengths	Similar output, less IR bands	No touchscreen; simpler, mid-sized

Click here to browse red light therapy panels – Use site wide discount code REDLIGHTDISCO10 for 15% off

📅 Protocol: How to Use Red Light Therapy for Your Thyroid

Step	Recommendation
Wavelength	800–850 nm (devices that also include 600–1000 nm are fine)
Duration	10–20 minutes per session
Frequency	2–3 times per week for 12 weeks
Distance	8–14 inches from the neck
Maintenance	One 3-month course per year

💡 For skin, energy, and whole-body benefits, ongoing daily use is also safe with breaks.

Deep Dive Podcast

Click FAQ above to open the FAQ

1. What is red light therapy (RLT) and how does it benefit the thyroid?

Red light therapy, also known as photobiomodulation (PBM), uses specific wavelengths of red and near-infrared light to stimulate cellular functions. The thyroid gland is particularly responsive to RLT due to its high concentration of mitochondria, the “energy centers” of cells. When exposed to red and near-infrared light, these mitochondria produce more adenosine triphosphate (ATP), providing the thyroid cells with the necessary energy to function optimally.
RLT helps the thyroid in several key ways:
Boosts hormone production: It enhances the synthesis and secretion of thyroid hormones T3 and T4, which can be particularly beneficial for individuals with hypothyroidism.
Reduces autoimmune antibodies: In conditions like Hashimoto’s thyroiditis, RLT has been shown to significantly decrease thyroid peroxidase (TPO) antibodies, which are markers of autoimmune activity. This effect is thought to be due to improved tissue integrity and reduced inflammation within the gland.
Improves circulation: RLT increases the release of nitric oxide, leading to vasodilation (widening of blood vessels). This enhanced blood flow ensures the thyroid receives more oxygen and nutrients essential for healing and hormone production, while also aiding in the removal of inflammatory byproducts.
Stimulates tissue repair: By activating cytochrome c oxidase in mitochondria, RLT promotes healing responses, including increased collagen production and a reduction in fibrotic (scarred) tissue, leading to healthier thyroid tissue.

2. What scientific evidence supports the use of red light therapy for thyroid conditions like Hashimoto’s and hypothyroidism?

Several clinical studies demonstrate the benefits of red light therapy for thyroid health, particularly in patients with Hashimoto’s thyroiditis and hypothyroidism:
2022 Clinical Trial: This study involved subjects taking selenium, iron, and vitamin D, with or without RLT. Results showed that 29% of the RLT group discontinued thyroid medication, experienced a significant 500-point drop in TPO antibodies, and saw increased T3 levels.
2023 Clinical Trial: In a trial with 38 women with Hashimoto’s, RLT applied twice weekly for three weeks alongside nutrient supplementation led to a 2-point decrease in TSH, a 433-point drop in TPO antibodies, improved T3/T4 levels, and an average weight loss of 12 pounds. This study, “Efficacy of Combined Photobiomodulation Therapy with Supplements versus Supplements alone in Restoring Thyroid Gland Homeostasis in Hashimoto Thyroiditis,” specifically highlighted the significant improvements in various parameters in the PBM (photobiomodulation) + supplements group compared to the supplements-alone group.
Placebo-Controlled Randomized Clinical Trial (2012): Considered the “gold standard” for research, this trial involved 43 patients with CAT-induced hypothyroidism. Participants received 10 sessions of 830 nm LLLT or a placebo over five weeks. The RLT group experienced a substantial 600-point drop in antibodies, and an impressive 48% were able to discontinue their thyroid medication. In contrast, the placebo group saw an increase in antibodies. A 6-year follow-up confirmed that these benefits could last up to 11 months, although annual retreatment is often needed to maintain results.
These studies suggest RLT can lead to a reduction in medication dependency, lower autoimmune antibody levels, and improved thyroid function.

3. Can red light therapy help reduce or eliminate the need for thyroid medication?

Yes, this is one of the most compelling findings from clinical research. Several studies have reported that 30% to 50% of patients using red light therapy were able to reduce or even completely stop their thyroid hormone medication. This remarkable outcome is attributed to RLT’s ability to help restore the thyroid’s natural hormone production capabilities.
However, it is crucial for patients undergoing RLT while on thyroid medication to work closely with their doctors. Regular monitoring of thyroid lab levels (T3, T4, TSH, and antibodies) is essential to avoid potential overmedication, which can lead to symptoms like jitteriness, insomnia, or palpitations. Adjustments to medication dosage should always be made under medical supervision.

4. What are the recommended protocols for using red light therapy for thyroid health?

To effectively target the thyroid gland, the following protocol is generally recommended:
Wavelength: Use devices that emit red light in the 800–850 nm range, or broader spectrum devices including 600–1000 nm.
Duration: Each session should last 10–20 minutes.
Frequency: Conduct sessions 2–3 times per week for a course of 12 weeks.
Distance: Position the light 8–14 inches away from the neck, directly over the thyroid area.
Maintenance: To sustain the benefits, a 3-month course of RLT per year is suggested, as studies indicate benefits can last up to 11 months before retreatment is needed.
For general wellness benefits like improved skin, energy, or whole-body effects, ongoing daily use is also considered safe with occasional breaks.

5. Are there any risks or side effects associated with red light therapy for the thyroid?

Red light therapy is generally considered very safe with minimal risks. The most common issue reported is occasional skin irritation.
However, certain precautions should be observed:
Pregnancy: There is insufficient safety data for pregnant individuals, so caution is advised.
Eye exposure: Avoid shining the light directly into your eyes; it’s recommended to close your eyes during sessions if the light is near the face.
Thyroid medication: If you are already taking thyroid medication, closely monitor for signs of overmedication, such as jitteriness, insomnia, or palpitations. As RLT may restore natural hormone production, your medication dose may need adjustment by your doctor to prevent hyperthyroidism.
Always discuss any changes to your treatment plan with your doctor and monitor your thyroid levels regularly, especially when initiating RLT.

6. How does red light therapy impact autoimmune responses, specifically TPO antibodies in Hashimoto’s?

Red light therapy has demonstrated a significant ability to reduce thyroid peroxidase (TPO) antibodies, which are key markers of autoimmune activity in Hashimoto’s thyroiditis. Clinical trials have shown drops of 433 to 600 points in TPO antibody levels.
This effect is believed to stem from RLT’s anti-inflammatory and tissue-repairing properties. By enhancing tissue integrity and promoting healing within the thyroid gland, RLT may help “seal” the gland’s barrier, reducing immune system over-activation and calming the autoimmune response. This leads to a decrease in the production of these specific antibodies that attack the thyroid tissue.

7. Besides thyroid benefits, what other advantages does red light therapy offer?

Beyond its targeted effects on the thyroid, red light therapy offers a range of additional systemic benefits reported in clinical studies:
Increased energy: This is a direct result of enhanced ATP production in mitochondria throughout the body.
Improved mood: Benefits may come from better circulation and the release of nitric oxide.
Smoother skin & fewer wrinkles: RLT stimulates collagen production, leading to improved skin health and reduced signs of aging.
Reduced hair loss: Improved circulation and cellular function can also contribute to healthier hair follicles.
Improved fatigue in fibromyalgia patients: RLT’s anti-inflammatory and energy-boosting effects can help alleviate chronic fatigue.
These bonus benefits highlight the holistic positive impact of red light therapy on overall health and well-being.

8. What should I consider when choosing a red light therapy device for home use?

When selecting a red light therapy device for home use, it’s important to focus on effectiveness rather than falling for overpriced branding. Key factors to consider include:
Wavelengths: Ensure the device offers wavelengths in the therapeutic range, typically 660–850 nm for red and near-infrared light. Some devices offer multiple wavelengths (e.g., five therapeutic wavelengths like 630, 660, 810, 830, and 850 nm) which can provide comprehensive benefits.
Irradiance: This refers to the power density of the light, measured in mW/cm². Higher irradiance generally means more effective cellular penetration and potentially shorter treatment times. Look for devices with “ultra-high irradiance” (e.g., ~77.6 mW/cm² at 15 cm).
Size and Coverage: Handheld devices are convenient for targeted areas like the neck, while larger panels are ideal for full-body use or treating larger areas.
Features: Consider professional-grade features like flicker-free LEDs, quiet fans, low EMF (electromagnetic field) emissions, touchscreens with preset modes, and modular designs for expandability.
Price vs. Value: Many devices use similar light wavelengths, but prices can vary significantly. Research shows that more expensive devices (e.g., Dermalux Flex at $2,500) may not offer unique benefits compared to more affordable yet effective options. Prioritize performance specifications over brand hype.

Efficacy of Photobiomodulation Therapy with Supplements in Hashimoto’s Thyroiditis (2023)
Venera Berisha‑Muharremi et al., Journal of Personalized Medicine, Aug 2023
A 74-woman randomized parallel feasibility trial showed that adding 820 nm photobiomodulation to vitamin D and selenium significantly improved thyroid markers (TSH, free T3/T4), lowered antibodies, reduced levothyroxine dosage, and aided weight loss compared to supplements alone.
Low-Level Laser Therapy in Chronic Autoimmune Thyroiditis: Randomized Placebo-Controlled Trial (2012)
Höfling DB, Chavantes MC, Juliano AG, et al., Lasers in Medical Science, 2012
In a randomized trial of 43 patients, 10 sessions of 830 nm LLLT significantly reduced TPOAb, improved thyroid echogenicity, and led to nearly ~50% of participants discontinuing levothyroxine for up to 9 months compared to placebo. [PMC]
Six-Year Follow-Up on LLLT Safety and Efficacy in Autoimmune Thyroiditis (2018)
Buchpiguel C, Höfling DB, Chavantes MC, Chammas MC, Lasers Surg Med, 2018
Long-term follow-up confirmed sustained benefits from LLLT in thyroid function, stable antibody levels, and no increase in nodular lesions—reaffirming its safety over six years. [dozens of patient data included]

Final Thoughts

Red light therapy is a promising, drug-free way to support thyroid health—especially for those with Hashimoto’s or hypothyroidism. While the science is still growing, early results are impressive and safety is high.

✅ Affordable
✅ Non-invasive
✅ Backed by clinical trials

Monitor your thyroid labs, and always discuss changes with your doctor. But for many people, a few minutes of red light per day could be a life-changing step toward healing.

Use Code REDLIGHTDISCO10

Energizing Your Cells with Red and Near-Infrared Light

Health and Wellness | Light Therapy

Can Red Light Therapy Heal Your Thyroid?

Exploring the Science Behind the Claims