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  D*action

Learn your Vitamin D blood level and get feedback on your health outcomes.

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Learn your vitamin D blood level and Omega-3 Index and get feedback on your health outcomes.

  D*action Pregnancy

Learn and monitor your Vitamin D serum level throughout your pregnancy!

  D*action

Learn your Vitamin D blood level and get feedback on your health outcomes.

  D*action+Omega-3

Learn your vitamin D blood level and Omega-3 Index and get feedback on your health outcomes.

  D*action Pregnancy

Learn and monitor your Vitamin D serum level throughout your pregnancy!

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Research

Organic & Natural Health Association and GrassrootsHealth Win NBJ Education Award for Nutrient Power Campaign

RANCHO PALOS VERDES, Calif., July 19, 2018 (GLOBE NEWSWIRE) — Organic & Natural Health Association along with research partner, GrassrootsHealth, was awarded the Nutrition Business Journal’s 2017 award for Education for its Nutrient Power...

Read more July 19, 2018 at 9:30 pm grhadmin

Vitamin D Demonstrates 60% Lower Preterm Births in First Large Population Study

Over 1,000 Women and Babies Confirm Previous Research at the Medical University of South Carolina Encinitas, CA (PRWEB) July 27, 2017 GrassrootsHealth helped implement a first-of-its kind study for pregnant women. The goal was...

Read more July 26, 2017 at 11:45 pm Susan Siljander

Organic & Natural Health Launches Study

Organic & Natural Health Launches Omega-3 Nutrient Field Study and Spearheads Pesticide Testing Program for Members WASHINGTON, D.C. (Feb. 16, 2017) – Organic & Natural Health Association (Organic & Natural Health) hosted its second...

Read more February 16, 2017 at 12:00 am grhadmin

Sun is good for you – you may live longer, study finds

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...

Read more April 27, 2016 at 12:00 am grhadmin

GrassrootsHealth Analysis Associates Vitamin D with 67% Lower Cancer Risk

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...

Read more April 6, 2016 at 12:00 am grhadmin

Bio-Tech Pharmacal Leads the Way with Supplement Donations for GrassrootsHealth Translational Research

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™...

Read more February 22, 2016 at 12:00 am grhadmin

GrassrootsHealth Research Shows over 50% Lower Incidence of Diabetes with Vitamin D

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...

Read more February 8, 2016 at 12:00 am grhadmin

GrassrootsHealth Research Paper Determines Vitamin D Level Necessary to Help Reduce Risk of Preterm Births

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...

Read more November 18, 2015 at 12:00 am grhadmin

Scientific Consensus Paper Released; Asserts Sunlight and Vitamin D are Essential for Human Health

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,...

Read more June 23, 2015 at 12:00 am grhadmin

GrassrootsHealth Launches Free CME Courses about Vitamin D

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...

Read more March 30, 2015 at 12:00 am grhadmin
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Calculate your estimated additional D intake to reach your target vitamin D serum level. (40-60 ng/ml recommended by our scientist panel).

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Convert blood serum level 25(OH)D Unit between ng/mL and nmol/L.

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