Finding the right dose of vitamin D
Science Speaks: How much vitamin D do I need? We often receive questions about how much supplemental vitamin D someone should take. The key indicator of vitamin D status is the nutrient level in...
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...
How to Time Your Vitamin D Testing with Changes in Supplementation
Participants often ask about details on how and when to change their vitamin D supplementation based on their vitamin D test results. “How much vitamin D should I take with a level of XX?”,...
Vitamin D Does Not Prevent Falls in the Elderly
Whenever a study comes out that has questionable benefits for vitamin D the press reports it ad nauseam. In addition, the study below is almost always referenced. So, it is time to make sure...
Vitamin D and Pregnancy — When Headlines Mislead…
It is a sad state of affairs when a news piece is done on research and only the headline is discussed. What about the details? Do researchers painstakingly crunch numbers, follow diligent statistical guidelines,...
Reduce Your Chance of Getting Sick with Vitamin D
In an analysis of GrassrootsHealth D*action data, participants who have a vitamin D level of at least 40ng/ml (100 nmol/L), cut their risk of cold and flu by 15% and 41% respectively compared to...
What is the New York Times Writing About?
What is the New York Times Writing About? On April 10th, 2017 the New York Times picked up the press release from the Journal of the American Medical Association, JAMA, and printed a story...
What Have You Learned from GrassrootsHealth?
June 22, 2016 D*action and Protect our Children NOW! are cohort studies and while cohort studies may be lower on the pyramid than RCTs – they are a valid and important part of the...
MS Treatment Protocol May Put Patients in Remission
March 2, 2016 Vitamin D is great for prevention of disease, but what about treatment after you’ve been diagnosed? We will study and report on leading-edge treatments using vitamin D as we find them....
The Importance of Regular Testing
February 24, 2016 The number one question I receive continues to be, “How much should I take?” The answer to that question also continues to be, “There is no magic amount. You have to...