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How To Use Red Light Therapy for Testosterone: Don’t.

John Tsenekos
July 06, 2025
11 MINS READ

Testosterone is a vital hormone that plays a key role in overall health, influencing everything from muscle growth and bone density to mood, energy, and libido. Many people look for ways to support or boost their testosterone levels, especially as they age or experience symptoms like fatigue, reduced motivation, or changes in body composition. This search for solutions has led to growing interest in various wellness trends, including Red Light Therapy.

Red Light Therapy has gained well-deserved popularity for its benefits in areas like skin health and rejuvenation, but some claims circulating online suggest it might also impact hormone levels, including testosterone. It is important to understand that while Light Therapy is a fascinating and evolving area of research, Red Light Therapy is not a cure or treatment for low testosterone or any medical condition. In this article, you will learn what testosterone is, proven ways to support healthy levels, and what current research actually says about the relationship between Red Light Therapy and testosterone.

What Is Testosterone?

Testosterone is a hormone produced primarily in the testicles in males, and in smaller amounts in the ovaries in females. It belongs to a group of hormones known as androgens, often called male hormones, though they play important roles in everyone's health.

Testosterone is essential for building and maintaining muscle mass and strength, supporting bone density, influencing fat distribution, and driving libido and reproductive health. It also plays a role in mood, energy levels, and mental clarity.

Testosterone production occurs mainly in specialized cells in the testicles called Leydig cells. These cells rely on healthy mitochondria, the energy-producing structures within cells, to function properly. When testosterone levels are lower than normal, you might notice symptoms such as fatigue, decreased motivation, reduced muscle mass, loss of strength, increased body fat, mood changes like irritability or depression, and a lower sex drive. Low testosterone can also contribute to issues like erectile dysfunction and reduced sperm motility, both of which can affect reproductive health.

Common causes of low testosterone include aging, certain medical conditions, injuries to the testicles, chronic inflammation, chronic stress, obesity, and some medications. To determine your testosterone levels, healthcare professionals typically use a blood test, usually performed in the morning when levels are at their highest.

How to Support Healthy Testosterone Levels

Lifestyle Changes

Diet. A balanced diet rich in whole foods supports hormone production and overall well-being. Healthy fats found in avocados, olive oil, nuts, and fatty fish are essential for hormone synthesis, including testosterone. Protein from lean meats, eggs, and legumes helps build and maintain muscle mass, while complex carbohydrates from whole grains and vegetables provide sustained energy. Deficiencies in nutrients like zinc and vitamin D have been linked to lower testosterone, so including foods like shellfish, beef, eggs, and fortified dairy is important. Consider having your vitamin D levels checked, as supplementation may be beneficial if your healthcare provider recommends it.

Focus on eating whole, minimally processed foods and include a source of healthy fat and protein at each meal. Aim to eat a variety of colorful fruits and vegetables to ensure you are getting a broad range of nutrients.

Exercise. Regular physical activity, especially resistance training like weightlifting, has been shown to support testosterone levels. Exercise helps reduce body fat, which is important because excess fat can lead to increased conversion of testosterone to estrogen. High-intensity interval training (HIIT) is also effective for supporting hormone health.

Aim for at least 150 minutes of moderate physical activity each week and include strength training exercises two to three times per week. Choose activities you enjoy so you can stay consistent and make exercise a regular part of your routine.

Sleep. Quality sleep is crucial for hormone regulation. Most testosterone release occurs during deep sleep, so poor sleep or chronic sleep deprivation can significantly lower your levels. Adults should aim for 7 to 9 hours of sleep per night. Set a consistent sleep schedule, even on weekends, and create a relaxing bedtime routine. Limiting screen time and caffeine in the evening can make it easier to fall asleep, while keeping your bedroom cool, dark, and quiet supports the restful, uninterrupted sleep your body needs.

Stress management. Chronic stress raises levels of cortisol, a hormone that can suppress testosterone production. Managing stress through relaxation techniques, mindfulness, physical activity, or hobbies can help keep your hormones balanced. Practice deep breathing, meditation, or yoga regularly, and make sure to take breaks throughout your day. Spending time outdoors and with loved ones can also help you maintain a sense of calm and balance.

Medical Treatments

If lifestyle changes are not enough and you are experiencing persistent symptoms of low testosterone, medical treatments may be considered. Hormone replacement therapy (HRT) is a common option, involving testosterone administered through gels, patches, injections, or pellets. Certain medications may also be prescribed to address underlying causes.

Consult a healthcare provider if you have persistent symptoms of low testosterone, before starting any supplements or over-the-counter products, to discuss the risks and benefits of hormone replacement therapy, and for regular monitoring if you begin any hormone therapy.

Natural Supplements

Some natural supplements are marketed for testosterone support, such as zinc, vitamin D, fenugreek, and ashwagandha. While some studies suggest mild benefits, the evidence is mixed, and supplements should not replace proven medical treatments or healthy lifestyle habits.

To safely incorporate supplements, talk to your healthcare provider before starting any new product, choose reputable brands, and follow recommended dosages. Remember to use supplements as a complement to, not a substitute for, healthy lifestyle habits.

Research on Red Light Therapy and Testosterone

Research on Red Light Therapy and testosterone is still in its early stages, and much of the available evidence focuses on related reproductive or sexual health outcomes rather than directly on testosterone levels themselves.

Some studies have explored the use of Low Level Laser Therapy (LLLT), a category that includes Red Light Therapy, as part of treatment for male infertility. These studies suggest that LLLT may improve sperm survival, motility, and movement speed, as well as reproductive and sexual functions in men with conditions such as prostatitis and vesiculitis. However, these benefits are linked to overall reproductive health and not specifically to increasing or managing testosterone levels.

Another area of research has examined the effects of Light Therapy on sexual function. In one clinical study, participants with hypoactive sexual desire disorder or primary sexual arousal disorder received Light Therapy. The group treated with active Light Therapy reported a significant improvement in sexual satisfaction compared to the placebo group. While these results are promising for sexual function, the study did not directly measure changes in testosterone levels, and the researchers highlighted the need for future studies to correlate clinical findings with testosterone measurements before and after treatment.

Overall, while some studies indicate that Light Therapy may have positive effects on certain aspects of male reproductive and sexual health, there is currently no strong evidence to support the idea that Red Light Therapy is an effective method to increase testosterone or treat low testosterone. Most research has focused on related outcomes, not on testosterone specifically. More direct, high-quality studies are needed to clarify any potential connection.

What Red Light Therapy Is Actually Good For

While Red Light Therapy is not a solution for testosterone concerns, it does offer meaningful, science-backed benefits for skin health and appearance. If you are interested in what Red Light Therapy can do for your skin, Solawave specializes in FDA-cleared, at-home Red Light Therapy devices designed specifically for skin rejuvenation.

The red light therapy face mask delivers four wavelengths of light therapy, including Red (630nm), Deep Red (660nm), Amber (605nm), and Near-Infrared (830nm), through 320 medical-grade LEDs in just 3 minutes per session. It is designed to visibly smooth fine lines, support firmness, and improve overall radiance with consistent use 3 to 5 times per week.

The red light therapy wand combines Red Light Therapy at 630nm with therapeutic warmth, galvanic current, and facial massage for targeted treatment of specific facial areas. For best results, pair the wand with the LightBoost Activating Serum, as the galvanic current technology requires a water-based serum to function optimally.

For the neck and chest, the Neck and Chest Pro Light Therapy Mask addresses an area frequently exposed to sun damage and often overlooked in daily skincare. For the delicate eye area, the red light therapy eye mask paired with the LightBoost Collagen Caffeine Eye Cream offers focused treatment for dark circles, puffiness, and fine lines.

Complementary skincare products like the LightBoost Face and Neck Cream and the LightBoost Niacinamide Face and Neck Serum are formulated to enhance and complement the effects of Light Therapy treatments, supporting hydration, firmness, and a balanced complexion.

At-home options like Solawave are FDA-cleared, making them safe and reliable for regular use. With more brands entering the market without FDA clearance and therefore uncertain safety protocols, choosing an FDA-cleared device provides an important layer of confidence. Many Solawave purchases may also be eligible for coverage with FSA/HSA funds.

Explore the full Solawave collection to find the right skincare devices and products for your routine.

Conclusion

Proven testosterone management strategies like healthy lifestyle choices, proper medical care, and professional guidance remain the most effective ways to support your testosterone levels. While research on Red Light Therapy and testosterone is ongoing, there is currently no evidence that Red Light Therapy is a cure or treatment for low testosterone or any medical condition. Always prioritize safe, evidence-based methods and consult with healthcare professionals to ensure the best approach for your hormone health.

For those interested in the skincare benefits of Red Light Therapy, the full range of Solawave skincare devices offers FDA-cleared, science-backed options for supporting healthier, more radiant-looking skin from the comfort of home.

Disclaimer: This article is intended for informational purposes only and should not be interpreted as medical advice or guidance. Always seek medical advice and care from a trusted healthcare professional.

Frequently Asked Questions

Can Red Light Therapy increase testosterone levels?

There is currently no strong scientific evidence supporting the idea that Red Light Therapy can increase testosterone levels. While some early studies have explored the effects of light therapy on related areas like reproductive health and sexual function, none have established a direct, reliable link between Red Light Therapy and testosterone production. If you are concerned about your testosterone levels, consult with a healthcare provider who can recommend proven, evidence-based approaches.

Can Red Light Therapy devices be used at home for hormone health?

Many Red Light Therapy devices are designed for home use, but their safety and effectiveness for hormone health, including testosterone, have not been established by clinical research. At-home Red Light Therapy devices like those from Solawave are FDA-cleared for skincare purposes, not for hormone management. Always consult a healthcare provider before starting any new wellness routine intended to address hormone concerns.

Can Light Therapy replace traditional treatments for low testosterone?

No. Light Therapy should not replace evidence-based treatments such as hormone replacement therapy or medications prescribed by your healthcare provider. There is no scientific consensus supporting Light Therapy as a solution for hormone imbalance or testosterone deficiency. If you are experiencing symptoms of low testosterone, consult with a healthcare professional for proper evaluation and treatment.

Is there any research connecting Red Light Therapy to male reproductive health?

Some studies have explored Low Level Laser Therapy (LLLT) in the context of male infertility and have found potential improvements in sperm motility and reproductive function. However, these findings relate to specific reproductive health outcomes, not directly to testosterone production. The research is still preliminary, and more high-quality studies are needed before any definitive conclusions can be drawn.

What are the most effective ways to support healthy testosterone levels?

The most well-supported approaches include maintaining a balanced diet with adequate healthy fats, protein, zinc, and vitamin D; engaging in regular physical activity, especially resistance training and high-intensity interval training; getting 7 to 9 hours of quality sleep per night; managing stress through relaxation techniques and consistent self-care habits; and consulting with a healthcare provider if symptoms persist, as medical treatments like hormone replacement therapy may be appropriate.

How do I know if I have low testosterone?

Common symptoms of low testosterone include persistent fatigue, decreased motivation, reduced muscle mass, increased body fat, mood changes, and lower sex drive. However, these symptoms can be caused by many other conditions as well. The only reliable way to confirm low testosterone is through a blood test, typically performed in the morning when levels are highest. If you suspect you have low testosterone, consult with your healthcare provider for proper testing and evaluation.

What should I look for in a Red Light Therapy device for skincare?

For skincare purposes, look for devices that are FDA-cleared, use clinically proven wavelengths (typically in the 630 to 850nm range), and come from a reputable brand with clear safety standards. The Solawave red light therapy face mask uses four wavelengths (Amber 605nm, Red 630nm, Deep Red 660nm, and Near-Infrared 830nm) through 320 medical-grade LEDs, completing a session in just 3 minutes. With more brands entering the market without FDA clearance and therefore uncertain safety protocols, choosing an FDA-cleared device matters.

Can exercise and diet really make a difference in testosterone levels?

Yes. Lifestyle factors have a well-documented impact on testosterone levels. Regular resistance training and high-intensity exercise have been shown to support healthy testosterone production. A nutrient-rich diet that includes adequate healthy fats, zinc, and vitamin D supports hormone synthesis. Maintaining a healthy body weight is also important, as excess body fat can increase the conversion of testosterone to estrogen. These lifestyle approaches are among the most effective, evidence-based strategies for supporting hormone health.

Is Red Light Therapy safe even if it does not affect testosterone?

Yes. Red Light Therapy is generally considered safe when used as directed with an FDA-cleared device. While it is not effective for testosterone management, it does offer well-documented benefits for skin health, including supporting collagen production, reducing the appearance of fine lines and wrinkles, and improving overall skin radiance. If you are interested in these skincare benefits, explore the full range of Solawave devices.

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Reviewed by

This article was reviewed by a board-certified plastic and reconstructive surgeon.

Dr. Daniel Gould

Board-certified plastic and reconstructive surgeon with specialized training in research through the Medical Scientist Training Program.

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