Vitamin D Society urges re-examination of sun safety guidelines TORONTO, Ont. (April 27, 2016) – Swedish women who avoid sunshine shorten their lifespans by the same amount as smoking.  This latest research was just published in the Journal of Internal Medicine. Like the Swedes, Canadians need to balance the benefits of sun exposure with the […]

GrassrootsHealth study underscores the importance of vitamin D levels of at least 40 ng/ml for cancer prevention. ENCINITAS, CA (April 06, 2016)  In a study published online today in the journal, PLOS ONE, GrassrootsHealth found an inverse association between vitamin D serum levels and all non-skin cancer incidence. The analysis included pooled data from two study […]

Bio-Tech donated 500 bottles of vitamin D supplements to GrassrootsHealth’s Protect our Children NOW! translational research project – putting clinical research about vitamin D into practice for healthy pregnancies. FAYETTEVILLE, AR (February 22, 2016)  Bio-Tech™ Pharmacal, Inc. donated 500 bottles of 250 count 5,000 IU vitamin D supplements to the Protect our Children NOW! project which […]

GrassrootsHealth published data from its D*action public action study showing greater than 50% lower incidence rate of type 2 diabetes in the GrassrootsHealth cohort with substantially higher vitamin D levels than a cohort representing national averages. ENCINITAS, CA (February 08, 2016) – GrassrootsHealth published data from its D*action public action study showing greater than 50% […]

GrassrootsHealth and the Medical University of South Carolina co-authored a research paper, published on November 10, which finds that women with vitamin D levels of 40-60 ng/ml have a 46% lower preterm birth rate than the general population. Simple changes to standard of care could help prevent 225,000 preterm births a year, one medical center […]

ENCINITAS, CA (June 23, 2015) – Yesterday, the Journal of the American College of Nutrition published a scientific consensus paper authored by scientists from the University of California, San Diego, Creighton University, Boston University Medical Center, and the Medical University of South Carolina, along with other research contributors. The paper presents information to illustrate that UV exposure […]

San Diego, CA — GrassrootsHealth, an international nonprofit public health promotion organization, is announcing two free continuing medical education (CME) courses about vitamin D. The goal is to help practitioners become more confident in measuring, prescribing, and tracking vitamin D levels to prevent disease. After completion of these CME courses, practitioners can apply for D*certification […]

SAN DIEGO, CA (March 18, 2015) – Researchers at UC San Diego and Creighton University have challenged the intake of vitamin D recommended by the National Academy of Sciences (NAS) Institute of Medicine (IOM), stating that their Recommended Dietary Allowance (RDA) for vitamin D underestimates the need by a factor of ten. In a letter […]

Reported by GrassrootsHealth January 21, 2015 Institute of Medicine Updated RDA for Vitamin D 600 IU/day vitamin D should get 97.5% of the population to 20 ng/ml The IOM got it wrong! By Carole Baggerly, Director GrassrootsHealth Quite simply, the IOM got it wrong.  We have posted comments and information since the Institute of Medicine […]

ENCINITAS, Calif. – A multi-year study of people taking Vitamin D supplements with 25-hydroxyvitamin D [25(OH)D] serum levels in the range of 20 to 100 ng/ml did not show an increased risk of kidney stones. The study was sponsored by GrassrootsHealth (GRH), a nonprofit public health research organization, and was led by Dr. Cedric Garland, […]