In the News

How is vitamin D made by the sun different from vitamin D in supplements?

Monday, May 8, 2023
Published on May 8, 2023

The unique benefits of making vitamin D from sunshine and UVB exposure

Key Points

  • While the vitamin D3 molecule created in response to sunlight is the same as the molecule found in food and supplements, there are certain differences in how the body processes, absorbs, and utilizes the vitamin D
  • Exposure of the skin to UVB radiation initiates the conversion of cholesterol to pre-vitamin D3, which can then be further converted into other photoproducts that have their own unique biological properties, possibly playing a role in reducing the risk of skin cancer; pre-vitamin D3 is also converted into other forms of vitamin D, including its active form, directly within the skin cells for their own use
  • While vitamin D toxicity is possible to achieve from supplements, it is not possible when generating vitamin D from sun exposure; vitamin D3 generated by sunshine exposure is also available to the body 2-3 times longer than that taken orally

Vitamin D3 production is initiated in the skin upon exposure to ultraviolet B (UVB) radiation from sunshine and indoor lighting options containing UVB.
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Health-Promoting Reactions in the Body Triggered by Exposure to Full-Spectrum Sunlight

Friday, May 5, 2023
Published on May 5, 2023 Sunshine Month  

Wavelengths of Energy from Sunshine: UVB, UVA, Red, Near Infrared, Far Infrared, and Blue Light from sunshine all have unique health consequences

Key Points

  • There are several wavelengths of energy from sunshine that trigger specific actions within the body to influence our health; different wavelengths are able to penetrate the skin to different depths and have certain effects on the cells and tissues they reach
  • UVB radiation stimulates the production of vitamin D, as well as serotonin and beta-endorphins, UVA promotes the release of nitric oxide into the blood, and both have a positive effect on the diversity of the microbiome on the skin and in the gut
  • Blue light has a strong regulatory effect on the circadian rhythm and the release of melatonin from the pineal gland, while red light, near-infrared radiation, and far-infrared radiation have anti-inflammatory and tissue healing effects; infrared radiation also stimulates the production of melatonin inside the mitochondria for a strong antioxidant effect

The energy given off from the sunshine (aka the solar spectrum) consists of different wavelengths between 300 nm and well over 1 mm.
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Sunlight Institute Responses to Sun Articles 316

Thursday, May 4, 2023
Sunlight Institute Responses to Sun Articles 316 Regular sun exposure is also conducive to good sleep. Those who enjoy time in the sun daily sleep more soundly and are able to sleep 45 minutes per night longer. A study by Dr.… continue reading

Gym, Tan, Red Light? Red and Near-Infrared Light Enhances Muscle Performance and Recovery

Wednesday, May 3, 2023

Gym, Tan, Red Light? Red and Near-Infrared Light Enhances Muscle Performance and Recovery

Wednesday, May 3rd, 2023
The laundry can wait. It seems the new routine for fitness and self-care fanatics and should definitely be Gym, Tan, Red Light Therapy.
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Canadian Dermatology Association media release for National Sun Awareness Campaign

Wednesday, May 3, 2023
The Canadian Dermatology Association launches its month-long National Sun Awareness Campaign, and its partnership and support of Melanoma Canada’s Mole Mobile Skin Cancer Screening Unit. OTTAWA, ON, May 1, 2023 – The Canadian Dermatology Association (CDA) launches its month-long Sun Awareness Month campaign, urging Canadians to learn about the causes and early warning signs of skin cancer.… continue reading

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