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Reduce Breast Cancer Series (Part 5)

October is Breast Cancer Awareness Month, but here at GrassrootsHealth Nutrient Research Institute we prefer to take the opportunity each October to focus on breast cancer prevention. To help educate the public on the...

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...

Let’s Level the Playing Field with Vitamin D

Racial Disparity There is a branch of the National Institutes of Health, the medical research agency of the United States, called the National Institute on Minority Health and Health Disparities (NIMHD) whose charter is...

Vitamin D Intake & Toxicity

Is your doctor telling you that you are taking too much vitamin D? The chart below, based on a review published by Hathcock et al., shows the incidence of vitamin D toxicity in relation to daily...