HOME
ABOUT US
- Our Scientists
- Find a Doctor
PROJECTS
BLOG
RESOURCES
PRESS
CONTACT
DONATE
RESEARCH COLLABORATORS
ORDER TESTS
CALCULATORS

Latest Posts

Support Breast Cancer PREVENTION this Month with Research!

October is Breast Cancer Awareness Month – Bring awareness to breast cancer PREVENTION all month long by participating in...

Health Loss from Brain Disorders Now Surpasses Cardiovascular Disease and Cancer

15% Off Sale Ends Tomorrow – Brain disorders now account for more than 15% of all health loss worldwide....

What Causes Dementia and Alzheimer’s Disease and Can they be Prevented?

This review of research and short, animated video help create a better understanding of dementia and Alzheimer’s disease causes,...

The Top Vitamin D Myths: What’s Fact and What’s Not?

Learn more about several vitamin D misconceptions; these posts answer a majority of the questions we receive on a...

Scientists’ Call to D*action for Public Health

48 vitamin D researchers agree that vitamin D levels of 40-60 ng/ml (100-150 nmol/L) are safe, inexpensive and lead...

Are You Vitamin D Deficient?

There's no single supplement amount that works for everyone. Testing is important to see if you're within the recommended...

837 KB

KNOW “D” NUMBER Patient and Provider Guide to Understanding Vitamin D, Testing & Results Booklet

Download, read and share this educational booklet with a practical guide on how anyone can achieve and maintain their...

General Health

Breast Cancer

Sun Exposure

Pregnancy & Lactation

Diabetes

Spotlight

Vitamin D Deficiency Risk Assessment Quiz

What is your risk of having a vitamin D level below recommended? The Vitamin D Deficiency Risk Assessment Quiz...

Vitamin D*calculator™

Calculate the estimated additional intake required to reach your target vitamin D serum level (scientist panel recommendation of 40-60ng/ml).

D*action — Moving Vitamin D and other Nutrient Research Into Practice

Vitamin D projects are currently running globally, for pregnancy, and for breast cancer...

October 27, 2022 0

Vitamin D helps you live longer! World Vitamin D Day – November 2nd

TORONTO, ON (October 25, 2022) – Your personal health and that of your family are the most important things...

Contact GrassrootsHealth

315 S. Coast Hwy 101
Suite U-87
Encinitas, CA 92024

Email: Customer Service

Newsletter Sign Up
Subscribe to the GrassrootsHealth newsletter to stay up to date with informative articles, special event notifications, discounts and much more.

Tools

D*Calculator
Calculate your estimated additional D intake to reach your target vitamin D serum level. (40-60 ng/ml recommended by our scientist panel).

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

Omega-3 Index Calculator
Calculate your estimated EPA+DHA (Fish Oil) intake to reach your target Omega-3 Index. (8-12% recommended).

Events

No events scheduled at this time.

Home
About Us
Projects
Blog
Scientists
D*practitioners
Research
Documentation
FAQs
Press
Events
Videos
Newsletter Archive
Privacy Policy

Our Research Collaborators