When The Leaves are Falling Vitamin D Levels are Falling

Look for the New Revised Edition of The Vitamin D Cure in bookstores and online in June 2012! It has 15 new recipes and an all new 2 week menu along with revised chapters on the immune system, cardiovascular disease, and diabetes. It will make a great Holiday gift for your loved ones. When The … [Read more...]

New Vitamin D Recommendations Miss the Mark

The Institute of Medicine released its updated recommended daily intakes of calcium and vitamin D on November 30th. In summary they INCREASED the required vitamin D intake, DECREASED the required calcium intake, and RAISED the maximum safe intake of vitamin D. There recommendations are complicated … [Read more...]

Celebrate the Winter Solstice with Vitamin D

Happy Holidays and Welcome to the Vitamin D Blog/Newsletter! I will attempt to keep you up on what I feel to be the most interesting vitamin D research. I have a very busy clinic in adult and pediatric rheumatology at The Arthritis Institute of Michigan in Brighton, Michigan, so my time available to … [Read more...]

Winter Solstice, Christmas, and The New Year

Vitamin D production requires ultraviolet B spectrum light (280-315 nm wavelength). Cholesterol from our diet and that produced in our liver is modified then transported to the skin where it is stereochemically altered by UVB light and heat, returned to the liver and further modified to 25-hydroxy … [Read more...]