Vitamin D and Athletic Performance
While many of us will not be professional football players, we might be weekend warriors or enjoy a good exercise class. What would you do with the following statement? Football players with higher vitamin...
Are Vitamin D Levels the Same for Men and Women?
Vitamin D plays many important roles in human health well beyond the regulation of calcium and phosphorus for bone health. It has been shown to have effects on cancer, cardiovascular disease, autoimmune health, and...
Combined Nutrient Effects: Do vitamin D, omega-3, and vitamin C have a combined effect on colds and the flu among GrassrootsHealth participants?
In earlier posts we explored the relationship between vitamin D level, Omega-3 Index, and vitamin C intake and the occurrence of colds and the flu separately. In the final blog post of this series,...
Vitamin D Levels for Optimal Sports Performance
Over 3000 genes are responsive to vitamin D; among them are those affecting muscle protein synthesis, muscle strength, muscle size, reaction time, balance, coordination, endurance, inflammation, and immunity. Vitamin D also plays a significant...
Combined Nutrient Effects: Does vitamin D and omega-3 have a combined effect on colds and the flu among GrassrootsHealth participants?
In earlier posts we explored the relationship between vitamin D level and Omega-3 Index and the occurrence of colds and the flu separately. Using the data you provided for the GrassrootsHealth study, we’ll explore...
The Most Common Mental Illness in the US Helped with D and Omega-3
Did you know that anxiety is the most common mental illness in the United States, affecting approximately 18% of the population? And about half of those experiencing anxiety are also suffering from depression? The...
Help Reduce SAD this Winter
In many areas of the northern hemisphere, we are now faced with darker, longer days, little sunshine. For some people, this leads to a serious bout with Seasonal Affective Disorder (SAD). There are two...
Is Taking More than 4,000 IU Vitamin D Per Day Too Much?
A recent vitamin D supplement review by Consumer Labs referenced the “safe upper tolerable intake” of 4,000 IU per day for vitamin D, set by the National Academy of Sciences (NAS, previously the IOM),...
Men May Need More Vitamin D for a Better Chance of Conception and a Healthy Pregnancy
There are many published benefits of vitamin D for a healthy pregnancy and infant development, beginning in the preconception phase and continuing through pregnancy and early childhood. A recent post highlighted a study which...
Seasonal Vitamin D Levels
Seasonal trends have been observed in several diseases. Vitamin D deficiency is known to be more prevalent during particular times of the year, which may contribute to an increased risk of certain seasonal diseases....