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Anticancer Effects of Vitamin D

How does vitamin D work to help prevent cancer? Here is a simplified explanation of the multiple ways vitamin D can help the body to fight cancer. Over 40 years ago, Dr. Cedric Garland...

Current Recommendations are Too Low

Our vitamin D myth busting series continues with one of the most important-to-address myths about vitamin D – that the current recommended daily allowance (RDA) of 600 IU per day, from all sources, and...

Sunlight and Health: by Marc Sorenson, EdD

Sunlight and health, from the earliest human civilizations to our current battle with COVID-19, have an inseparable link. Dr. John Fielder’s exceptionally well-written paper, History of Heliotherapy provides insight into the past. Many ancients...

INDEPENDENCE DAY SALE! Get 15% off your home test kit now through July 7. Use code JULY24. Not valid on the T1D Prevention kit. Sale ends Sunday, July 7th at 11:59pm PST

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