Health and Vitality at 62

Tell us a little about yourself. My name is Alison Lee. I live in the forested mountains of Western North Carolina. How did you hear about GrassrootsHealth & vitamin D? For years, I have...

Three Steps to Decreasing Your Breast Cancer Risk

GrassrootsHealth promotes health change through research. There are many research articles which conclude that vitamin D levels above 60 ng/ml (150 nmol/L) may significantly reduce your chance of getting breast cancer. Read about some...

New Tests Coming Soon!

GrassrootsHealth’s D*action project has been providing thousands of participants with results from lab testing and the myData-myAnswers personal health system to help answer questions about vitamin D and omega-3s, and showing how that information...

Concerned about vitamin D toxicity?

Vitamin D toxicity is a rare imbalance, usually caused by excessive vitamin D supplementation, that can lead to hypercalcemia (increased calcium in the blood), hyperphosphatemia (increased phosphate in the blood), and suppressed serum PTH...

Initial Vitamin D Levels on the Rise

Our very first D*action test results came in just over 9 years ago, in January 2009. Over 11,500 individuals have now taken part in our “observational field trial” by sharing their vitamin D test...

How to Maintain Healthy Omega-3 Levels

Healthy Omega-3 levels have been associated with heart health, a longer life, brain health, reduced inflammation, and more. How much Omega-3 do you have in your blood? This can be measured with a simple...