The Benefits of Red Light Therapy for Thyroid Health

Thyroid disorders become increasingly common with age, yet many older Americans are seeking non-invasive solutions for better thyroid health. In fact, nearly 25% of older adults may have some form of thyroid dysfunction [1]. Alarmingly, up to 1 in 4 seniors in nursing homes have undiagnosed hypothyroidism [2]. When thyroid problems go untreated, the consequences can be serious. Persistent fatigue, unexplained weight gain, depression, and even cardiovascular issues often arise as the body’s metabolism and organ systems slow down. 

 

For example, low thyroid levels can raise cholesterol and blood pressure, straining the heart [3]. In older individuals, untreated hypothyroidism is linked to higher risks of heart disease and even increased mortality [4]. 

 

These statistics paint a clear picture: maintaining healthy thyroid function is crucial, especially for older adults, and finding safe, non-invasive ways to support thyroid health can have profound benefits.

Key Takeaways

Red light therapy is a proven, non-invasive way to support thyroid health, especially for older adults with hypothyroidism or Hashimoto’s disease. It helps balance hormone levels, reduce inflammation, and improve quality of life.

Multiple clinical studies show that red and near-infrared light can lower TSH, increase T3, and reduce thyroid antibodies, often allowing patients to lower their medication dose or, in some cases, stop it entirely.

The Cura ProWave Deep Healing Pad™ delivers the same therapeutic wavelengths used in studies and is designed for flexible, hands-free use around the neck—making it an ideal at-home solution for thyroid support.

Why Thyroid Health Matters

The thyroid is a small, butterfly-shaped gland at the base of the neck, but it plays an outsized role in our well-being. It produces the hormones T3 (triiodothyronine) and T4 (thyroxine), which regulate the body’s metabolic rate, influencing how every cell uses energy. In essence, the thyroid acts as a throttle for many bodily functions.

 

Healthy thyroid levels keep our energy levels up, weight stable, and mood balanced. Thyroid hormone also directly affects the heart and circulatory system, helping control the speed of the heartbeat, blood pressure, and cholesterol levels [5]. When the thyroid is underactive (hypothyroidism) or overactive (hyperthyroidism), it disrupts these systems. 

 

An underactive thyroid can make every organ slow down, leading to symptoms that range from lethargy and depression to constipation and cold intolerance. 

 

An overactive thyroid, in contrast, can make everything race, causing anxiety, palpitations, and weight loss. 

 

In both cases, overall health suffers. This is why keeping the thyroid in balance is so important. A well-functioning thyroid supports heart health, brain function, metabolism, and quality of life across the board.

How Red Light Therapy Supports Thyroid Health

Red light therapy (RLT), also known as low-level laser or photobiomodulation therapy is an effective, non-invasive intervention for thyroid support. RLT involves exposing the body to specific wavelengths of red and near-infrared (NIR) light, typically using LEDs or low-level lasers. 

 

Unlike high-intensity lasers used in surgery, RLT uses gentle light that does not cut or burn the tissue. Instead, these wavelengths penetrate the skin and are absorbed by cells, stimulating biological processes that can lead to healing and improved function.

 

Researchers have found that red and NIR light can boost cellular energy production (ATP), enhance blood circulation, and reduce inflammation in targeted tissues [6]. For an older adult with thyroid concerns, this kind of therapy offers a drug-free, painless way to potentially energize and repair the thyroid gland at a cellular level.

 

Notably, RLT has no significant side effects. It’s even gentle enough to be used daily at home.

 

So how exactly can shining red light on your neck improve thyroid health? Recent studies have revealed several physiological mechanisms and benefits of RLT for the thyroid:

Improved Hormone Regulation: Red light therapy can stimulate the thyroid gland to produce more of its natural hormones. In clinical trials with people suffering from hypothyroidism, RLT led to higher T3 levels and a better T3/T4 hormone balance, while also lowering elevated TSH levels toward normal [7]. Essentially, the therapy nudges an underactive thyroid to act more like a normal healthy thyroid, improving metabolism and energy levels.

Reduction in Autoimmune Antibodies: A common cause of thyroid trouble in older adults is autoimmune thyroiditis (like Hashimoto’s disease), where the immune system attacks the thyroid. Red light has been shown to calm this autoimmune activity. Patients treated with RLT experienced significant drops in anti-thyroid antibodies such as TPO-Ab [8]⁠⁠⁠⁠⁠⁠⁠. Lower antibody levels suggest that inflammation in the thyroid is reduced, potentially slowing disease progression and preserving more of the gland’s function.

Decreased Inflammation and Oxidative Stress: RLT appears to reduce chronic inflammation in thyroid tissue. Research indicates it may lower levels of harmful reactive oxygen species (ROS) in the thyroid and increase anti-inflammatory cytokines that promote healing [9]. By modulating the immune response and oxidative stress, red light creates a more favorable environment for the thyroid to recover. This reduction in inflammation can translate to less glandular swelling and improved thyroid function.

Cellular Repair and Tissue Healing: Perhaps most exciting, red and infrared light can trigger cellular repair mechanisms in thyroid cells. In studies, ultrasound imaging showed that after a course of RLT, the physical structure of the thyroid improved. For example, thyroid tissue became more uniform and echogenic (a sign of healthier tissue) [10]. Scientists believe RLT stimulates thyroid cells to regenerate and restore normal function. Essentially, the light therapy can help “heal” damaged areas of the gland, leading to better hormone output. This regenerative effect is further evidenced by some patients regaining enough thyroid function to lower or even eliminate their need for synthetic hormones [11]⁠⁠⁠⁠⁠⁠⁠.

Symptom Relief and Quality of Life: The end result of these biological benefits is that patients simply feel better. With a healthier-functioning thyroid, individuals report increased energy and mood. In one study, people receiving red light therapy had such improvements in thyroid output that many were able to lose weight more easily (as their metabolism normalized) [12]. Others experienced relief from classic symptoms like fatigue, cold sensitivity, hair loss, and brain fog. By addressing the root cause, i.e. poor thyroid function, RLT can thereby alleviate many downstream symptoms that reduce quality of life.

In short, red light therapy directly supports the thyroid gland: boosting hormone production, reducing autoimmune damage, and facilitating tissue repair. For older adults hesitant about invasive procedures or wanting to complement their existing thyroid medication, RLT offers a gentle, science-backed approach to enhance thyroid health from the inside out.

Scientific Evidence for Red Light Therapy For Thyroid Health

Do these claims sound too good to be true? Let’s look at the scientific evidence.

 

Over the past decade, a number of peer-reviewed studies, in both humans and animals, have explored red light therapy for thyroid conditions. Below is a summary of key findings from notable studies, illustrating how RLT benefits thyroid health:

Study

Link

Findings

Impact of Photobiomodulation on T3/T4 Ratio and Quality of Life in Hashimoto Thyroiditis

Our results are encouraging and PBM seems to be very effective in increasing T3/T4 ratio and decreasing TPO Ab levels and weekly dosages of LT4 replacement therapy. Anti-inflammatory properties of PBM are greatly responsible for these changes and PBM causes major improvements in HT-related symptoms of the patient.

Low-level laser therapy in chronic autoimmune thyroiditis: a pilot study

The preliminary results indicate that LLLT promotes the improvement of thyroid function, as patients experienced a decreased need for LT4, a reduction in TPOAb levels, and an increase in parenchymal echogenicity.

Effect of Photobiomodulation on Restoration of Ionization Radiation-Induced Thyroid Dysfunction

PBM restored ionizing radiation-induced thyroid follicular cell dysfunction by increasing cAMP proliferation and expression. PBM is effective for ionizing radiation-induced hypothyroidism by complementing cell proliferation and cAMP, presenting a novel method for clinical application.

Safety and Efficacy of Low-Level Laser Therapy in Autoimmune Thyroiditis: Long-Term Follow-Up Study

LLLT, by the methods described, has been shown to be safe for the treatment of hypothyroidism resulting from CAT.

What do these studies tell us?

 

1)First, multiple human trials (from Brazil, Turkey, and elsewhere) consistently show that red light therapy can improve thyroid function in people with hypothyroidism, often markedly. 

 

2) Patients experienced lower TSH and higher natural thyroid hormone levels, allowing them to cut back on medication. A key theme is the reduction in thyroid antibodies, indicating that RLT is quelling the autoimmune attack on the gland. Over time, this may allow the thyroid tissue to recover and start working again, a groundbreaking finding for what was long thought to be an “irreversible” disease. 

 

3) Animal and cellular studies reinforce these benefits and also highlight mechanisms: RLT appears to trigger cell repair pathways (even helping thyroid cells regenerate after radiation injury) and can safely interact with thyroid tissue. 

 

4) There’s even exploratory research hinting that light therapy might slow thyroid tumor growth, pointing to how broadly the thyroid responds to light.

 

While more research is always welcome, the evidence so far paints a compelling picture that red light therapy is a valuable tool for supporting thyroid health.:

Recommended Treatment Protocol

To receive the maximum benefits of red light therapy for thyroid health, it is recommended to follow these treatment protocols:

Follow a consistent treatment schedule: Red light therapy works best when used consistently over a period of time. Aim for daily treatments or as advised by your healthcare provider.

Positioning: To be effective, the light source should be as close to the skin as possible for deep tissue penetration of the thyroid gland. A wrap/ belt product provides significant advantages over panels.

Use On Your Neck: For thyroid health, it is recommended to use the device daily on your thyroid.

Be patient and persistent: Red light therapy takes time to show its effects, so it's important to be patient and persistent with your treatments. Results may vary depending on individual factors and overall health condition. 3 weeks is a reasonable expectation to see improvements, but remember that progress is not linear.

Conclusion

For older adults dealing with thyroid concerns, the prospect of a safe, non-invasive therapy that can rejuvenate the thyroid is incredibly encouraging. Red light therapy offers exactly that promise – studies across the board suggest it can help normalize thyroid hormone levels, tame autoimmune inflammation, and improve symptoms like fatigue and weight gain.

 

In summary, the potential benefits of red light therapy for thyroid health include better hormonal balance, reduced inflammation, possible tissue repair, and improved overall quality of life for those with thyroid dysfunction. It’s a gentle therapy that works with your body’s own healing processes, which is especially appealing if you want to avoid more aggressive treatments.

 

If you’re interested in trying red light therapy to support your thyroid, one convenient option is the Cura ProWave Deep Healing Pad™. 

 

This device is designed with thyroid wellness in mind. It uses a proprietary dual-spectrum LED technology to emit both 660 nm red light and 850 nm near-infrared light. The pad delivers light deep into tissues, so it can easily penetrate the neck and reach the thyroid gland.

 

Importantly for older adults, the Cura ProWave pad is non-invasive and easy to use at home: it’s a flexible neoprene pad that you can comfortably wrap around your neck (or any body part), allowing for hands-free treatment sessions. 

 

Whether you’re struggling with low thyroid symptoms or simply looking to optimize your thyroid health, RLT offers a bright light of hope, and devices like the Cura ProWave Deep Healing Pad™ make it easier than ever to tap into that healing power. 

The All New Cura ProWave Deep Healing Pad™ Is Now Available!

We've made our bestseller even better. Enjoy ground-breaking features for the most effective home therapy yet.

Multi-Wavelength Technology

Feel your pain melt away with our new multi-wavelength technology incorporating the 2x most bioactive wavelengths for photobiomodulation: 660nm and 850nm.

Pulsing+ Technology

Recover faster, boost performance, and treat specific symptoms with Pulsing+ Mode.

Triple Chip Medical LED Diode

Supercharge your cellular energy with an extra large treatment area, 120 LEDs and 360 light chips with an irradiance up to 200 mW/cm2.

Personalized Controls

Customize your therapy to your preferences with our easy to use remote controller.

References

[1] Diab, N., Daya, N.R., Juraschek, S.P. et al. Prevalence and Risk Factors of Thyroid Dysfunction in Older Adults in the Community. Sci Rep 9, 13156 (2019). https://doi.org/10.1038/s41598-019-49540-z

 

[2] https://www.thyroid.org/thyroid-disease-older-patient/#:~:text=increases%20with%20age%20,As%20with%20hyperthyroidism%2C%20the

 

[3] https://www.health.harvard.edu/heart-health/thyroid-hormone-how-it-affects-your-heart#:~:text=Hypothyroidism%20can%20affect%20the%20heart,consequence%20of%20low%20thyroid%20levels

 

[4] Kim MI. Hypothyroidism in Older Adults. [Updated 2020 Jul 14]. In: Feingold KR, Ahmed SF, Anawalt B, et al., editors. Endotext [Internet]. South Dartmouth (MA): MDText.com, Inc.; 2000-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK279005/

 

[5] https://www.health.harvard.edu/heart-health/thyroid-hormone-how-it-affects-your-heart#:~:text=Located%20at%20the%20base%20your,make%20existing%20heart%20disease%20worse

 

[6] + [9] https://thyroidpharmacist.com/articles/lasers-thyroid-tissue-regeneration/

 

[7] + [8] Ercetin C, Sahbaz NA, Acar S, Tutal F, Erbil Y. Impact of Photobiomodulation on T3/T4 Ratio and Quality of Life in Hashimoto Thyroiditis. Photobiomodul Photomed Laser Surg. 2020 Jul;38(7):409-412. doi: 10.1089/photob.2019.4740. Epub 2020 Mar 18. PMID: 32186976.

 

[10] + [11] Höfling DB, Chavantes MC, Juliano AG, Cerri GG, Romão R, Yoshimura EM, Chammas MC. Low-level laser therapy in chronic autoimmune thyroiditis: a pilot study. Lasers Surg Med. 2010 Aug;42(6):589-96. doi: 10.1002/lsm.20941. PMID: 20662037.

 

[12] Berisha-Muharremi V, Tahirbegolli B, Phypers R, Hanna R. Efficacy of Combined Photobiomodulation Therapy with Supplements versus Supplements alone in Restoring Thyroid Gland Homeostasis in Hashimoto Thyroiditis: A Clinical Feasibility Parallel Trial with 6-Months Follow-Up. J Pers Med. 2023 Aug 19;13(8):1274. doi: 10.3390/jpm13081274. PMID: 37623524; PMCID: PMC10455109.