Death from Heart Disease and Omega-3 Index

The following chart plots coronary heart disease (CHD) death rates for six countries versus their average Omega-3 Index level....

Vitamin D Does Not Cause Kidney Stones

One of the misconceptions about vitamin D is that increased vitamin D levels can increase the risk for kidney...

We asked the first 77 participants in D*action+Omega-3 about their supplementation habits: 83% of participants report taking an Omega-3 supplement...

Is your doctor telling you that you are taking too much vitamin D? The chart below, based on a review...

Percent Change in Omega-3 Index by Supplement Amount Individual responses vary greatly with supplementation – that is why you...

Serum Level vs Intake Charts One of the most common questions we receive at GrassrootsHealth after an individual has...

Maternal Versus Infant Vitamin D Supplementation During Lactation: A Randomized Controlled Trial Bruce W. Hollis, Carol L. Wagner, Cynthia...

Letter to Veugelers, P.J. and Ekwaru, J.P., A Statistical Error in the Estimation of the Recommended Dietary Allowance for...

Vitamin D Response Curve Ever wonder why your friend exercises as much as you, but they are leaner? Or how...

Quantifying the Food Sources of Basal Vitamin D Input Sharon L. McDonnell, Christine B. French, Robert P. Heaney Cutaneous...