Close-up of a person’s neck and collarbone in warm sunlight, with soft window shadows creating a calm, intimate mood.

Clinical Research

The health effects of sunlight are supported by decades of research - Solius is built on that science.

See the studies - click to filter by category

Better wellness & longevity

Evidence suggests that UVB light, like the Solius spectrum, may support the internal systems linked to longer healthspan, including immunity, cognition, cardiovascular function, and metabolic balance.

Potential benefits

  • System-level support for immunity, brain health, cardiovascular function, and metabolism.

  • Light-activated molecules that help promote long-term vitality and resilience.

  • Research associations linking sunlight pathways to improved markers of healthy aging.

Older couple sitting together outdoors, laughing warmly in soft sunlight, wearing casual neutral-toned clothing with relaxed, happy expressions.

See More

Better wellness & longevity

Evidence suggests that UVB light, like the Solius spectrum, may support the internal systems linked to longer healthspan, including immunity, cognition, cardiovascular function, and metabolic balance.

Potential benefits

  • System-level support for immunity, brain health, cardiovascular function, and metabolism.

  • Light-activated molecules that help promote long-term vitality and resilience.

  • Research associations linking sunlight pathways to improved markers of healthy aging.

Older couple sitting together outdoors, laughing warmly in soft sunlight, wearing casual neutral-toned clothing with relaxed, happy expressions.

See More

Better wellness & longevity

Evidence suggests that UVB light, like the Solius spectrum, may support the internal systems linked to longer healthspan, including immunity, cognition, cardiovascular function, and metabolic balance.

Potential benefits

  • System-level support for immunity, brain health, cardiovascular function, and metabolism.

  • Light-activated molecules that help promote long-term vitality and resilience.

  • Research associations linking sunlight pathways to improved markers of healthy aging.

Older couple sitting together outdoors, laughing warmly in soft sunlight, wearing casual neutral-toned clothing with relaxed, happy expressions.

See More

Wellness & Longevity

Health & Place

In this study that looked at UV light exposure and mortality data for over 500,000 individuals, UV exposure was inversely associated with all-cause, cardiovascular disease (CVD) and cancer mortality. Solarium users were also at a lower risk of non-CVD and non-cancer mortality.

Wellness & Longevity

Health & Place

In this study that looked at UV light exposure and mortality data for over 500,000 individuals, UV exposure was inversely associated with all-cause, cardiovascular disease (CVD) and cancer mortality. Solarium users were also at a lower risk of non-CVD and non-cancer mortality.

Wellness & Longevity

The American Journal of Clinical Nutrition

Analysis of data from the VITAL trial found that 4-years of supplementation with 2000 IU/day vitamin D3 reduced telomere attrition by 140 bp, suggesting that vitamin D3 daily supplementation might have a role in counteracting telomere erosion or cell senescence.

Wellness & Longevity

The American Journal of Clinical Nutrition

Analysis of data from the VITAL trial found that 4-years of supplementation with 2000 IU/day vitamin D3 reduced telomere attrition by 140 bp, suggesting that vitamin D3 daily supplementation might have a role in counteracting telomere erosion or cell senescence.

Wellness & Longevity

Endocrine Practice

This paper by vitamin D expert Dr. Holick compares the 2024 and 2011 Endocrine Society Clinical Practice Guidelines on vitamin D and explains why concentrations of 25-hydroxyvitamin D should be at least 30 ng/mL with a preferred range of 40-60 ng/mL as recommended by the 2011 Guidelines in order to obtain maximum extra skeletal benefits from vitamin D including reducing risk of upper respiratory tract infection for children and adults, autoimmune disorders, pre-eclampsia, low birth weight, neonatal dental caries, and deadly cancers.

Wellness & Longevity

Endocrine Practice

This paper by vitamin D expert Dr. Holick compares the 2024 and 2011 Endocrine Society Clinical Practice Guidelines on vitamin D and explains why concentrations of 25-hydroxyvitamin D should be at least 30 ng/mL with a preferred range of 40-60 ng/mL as recommended by the 2011 Guidelines in order to obtain maximum extra skeletal benefits from vitamin D including reducing risk of upper respiratory tract infection for children and adults, autoimmune disorders, pre-eclampsia, low birth weight, neonatal dental caries, and deadly cancers.

Wellness & Longevity

Journal of Investigative Dermatology

This review article by ultraviolet expert Richard Weller highlights that while ultraviolet radiation is a known as a skin carcinogen, many studies correlate sun exposure with reduced all-cause, cardiovascular, and cancer mortality. The paper suggests that sunlight may confer health benefits beyond vitamin D synthesis, such as the photomobilization of nitric oxide from skin stores, which can reduce cardiovascular morbidity.

Wellness & Longevity

Journal of Investigative Dermatology

This review article by ultraviolet expert Richard Weller highlights that while ultraviolet radiation is a known as a skin carcinogen, many studies correlate sun exposure with reduced all-cause, cardiovascular, and cancer mortality. The paper suggests that sunlight may confer health benefits beyond vitamin D synthesis, such as the photomobilization of nitric oxide from skin stores, which can reduce cardiovascular morbidity.

Wellness & Longevity

Nutrients

This systematic review of 289 articles concluded that data strongly suggested that maintaining serum vitamin D concentrations of more than 50 ng/mL is associated with significant risk reduction from viral and bacterial infections, sepsis, and autoimmunity.

Wellness & Longevity

Nutrients

This systematic review of 289 articles concluded that data strongly suggested that maintaining serum vitamin D concentrations of more than 50 ng/mL is associated with significant risk reduction from viral and bacterial infections, sepsis, and autoimmunity.

Wellness & Longevity

Dermato-Endocrinology

The article discusses the benefits of UV light independent of vitamin D supplementation, including increased production of nitric oxide which reduces blood pressure and generally improves cardiovascular health, protective effects of increased melanin in the skin which can act as a sunscreen, suppressed symptoms from multiple sclerosis, improved mood and energy through released endorphins, and improved immunity through modulation of various cytokines and enzymes.

Wellness & Longevity

Dermato-Endocrinology

The article discusses the benefits of UV light independent of vitamin D supplementation, including increased production of nitric oxide which reduces blood pressure and generally improves cardiovascular health, protective effects of increased melanin in the skin which can act as a sunscreen, suppressed symptoms from multiple sclerosis, improved mood and energy through released endorphins, and improved immunity through modulation of various cytokines and enzymes.

Wellness & Longevity

Annals of the New York Academy of Sciences

This report summarizes research on the roles for vitamin D in cancer, immunity and autoimmune diseases, cardiovascular and respiratory health, pregnancy, obesity, erythropoiesis, diabetes, muscle function, and aging.

Wellness & Longevity

Annals of the New York Academy of Sciences

This report summarizes research on the roles for vitamin D in cancer, immunity and autoimmune diseases, cardiovascular and respiratory health, pregnancy, obesity, erythropoiesis, diabetes, muscle function, and aging.

Wellness & Longevity

Nutrients

Solar UV has been inversely correlated with geographical and seasonal variation in many health conditions, including cardiovascular disease and respiratory infections. This article discusses how this effect could be impacted by various factors, including nitric oxide production, heat, vitamin D, and gene expression. The author, vitamin D expert William Grant, recommend increasing exposure to summer sunlight without sunburn to improve health.

Wellness & Longevity

Nutrients

Solar UV has been inversely correlated with geographical and seasonal variation in many health conditions, including cardiovascular disease and respiratory infections. This article discusses how this effect could be impacted by various factors, including nitric oxide production, heat, vitamin D, and gene expression. The author, vitamin D expert William Grant, recommend increasing exposure to summer sunlight without sunburn to improve health.

An older couple playing on the floor with a young child and a golden retriever in a bright, cozy living room with natural light

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Solius is an FDA cleared over-the-counter (OTC) light panel intended to stimulate production of vitamin D in people 22 years and older.

Solius is clinically proven to stimulate the production of vitamin D. References to the benefits of sunlight, UVB light, and vitamin D are based upon published, peer-reviewed research. The Solius device is not intended to diagnose, treat, cure, or prevent disease, except for the indications for use described in the user manual for your applicable region. Solius does not provide specific medical advice to users. Users should seek advice from a qualified physician or healthcare provider. This website does not establish a doctor-patient relationship. For detailed product information please consult the User Manual prior to use. 

Solius® is a registered trademark of Solius Labs, Inc.
100 Ravine Lane NE, Suite 310, Bainbridge Island, WA 98110

© 2026 Solius Labs, Inc.

Get Started

Support

Partner

Be the first to get updates from Solius Labs

By signing up, I agree with the privacy policy.

Connect

Intertek logo

Solius is an FDA cleared over-the-counter (OTC) light panel intended to stimulate production of vitamin D in people 22 years and older.

Solius is clinically proven to stimulate the production of vitamin D. References to the benefits of sunlight, UVB light, and vitamin D are based upon published, peer-reviewed research. The Solius device is not intended to diagnose, treat, cure, or prevent disease, except for the indications for use described in the user manual for your applicable region. Solius does not provide specific medical advice to users. Users should seek advice from a qualified physician or healthcare provider. This website does not establish a doctor-patient relationship. For detailed product information please consult the User Manual prior to use. 

Solius® is a registered trademark of Solius Labs, Inc.
100 Ravine Lane NE, Suite 310, Bainbridge Island, WA 98110

© 2026 Solius Labs, Inc.

Get Started

Support

Partner

Be the first to get updates from Solius Labs

By signing up, I agree with the privacy policy.

Connect

Intertek logo

Solius is an FDA cleared over-the-counter (OTC) light panel intended to stimulate production of vitamin D in people 22 years and older.

Solius is clinically proven to stimulate the production of vitamin D. References to the benefits of sunlight, UVB light, and vitamin D are based upon published, peer-reviewed research. The Solius device is not intended to diagnose, treat, cure, or prevent disease, except for the indications for use described in the user manual for your applicable region. Solius does not provide specific medical advice to users. Users should seek advice from a qualified physician or healthcare provider. This website does not establish a doctor-patient relationship. For detailed product information please consult the User Manual prior to use. 

Solius® is a registered trademark of Solius Labs, Inc.
100 Ravine Lane NE, Suite 310, Bainbridge Island, WA 98110

© 2026 Solius Labs, Inc.