Vitamin D Test
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We've noticed that some people sell test kits without including results in the price. Please rest assured that all test kits sold on VirginiaHopkinsTestKits.com include the cost of the results.
Sunshine = Vitamin D
Getting a little sun every day, without sunblock, is important to vitamin D production.
Vitamin D - How Much to Take?
The RDA for vitamin D is way too low, but there is some scientific consensus about what's the right dose, depending on how much sunshine you get and where you live.
Vitamin D Nutrient Review
Vitamin D is an essential vitamin and an essential hormone.
Vitamin D Research and References
A select list of references on vitamin D if you want to get up to speed on the science and biochemistry of this important vitamin/hormone.
Vitamin D Testing Science and Biochemistry
For health care professionals and science geeks, here's the science and biochemistry of why it's so important to test properly for vitamin D.
Blood Spot Test Advantages
Blood spot testing is faster, easier, accurate, and can be done in the privacy of your own home, at your convenience.
10 Ways to Encourage Kids to Eat Their Veggies by Dr. John Lee
Dr. John Lee says children can learn to love vegetables and here's a list of 10 ways to get kids to eat vegetables.
Children and Vitamin D
Infants and toddlers are at risk of vitamin D deficiency if mothers are vitamin D deficient. Nursing mothers in particular need to pay attention to their vitamin D levels.
More Evidence that Vitamin D Protects Against Breast Cancer
A new study shows that women with low vitamin D levels are at a higher risk for breast cancer, but women on HRT aren't as well protected.
The Truth about Osteoporosis
Early signs of osteoporosis and risk factors for osteoporosis. Lifestyles that increase the risk of osteoporosis and tips for healthy bones.
Progesterone, Inflammation and Breast Cancer
The authors of a study about progesterone receptors make controversial claims about progesterone, inflammation and breast cancer.
Bioidentical Hormone Mega-doses Cause Harm
Letter from a reader who was harmed by mega-doses of bioidentical hormones.
Women and Heart Disease
Dr. John Lee explains the differences in heart disease between women and men, and how hormones and HRT affect women's hearts.
NEW! Measure Hormones in Blood Spot Test
A new type of blood spot test that measures bioavailable hormones, the same kind measured in saliva.
NEW! Optimal Health Gems from John R Lee MD
The best Q&As by Dr. John Lee from the John R. Lee, M.D. Medical Letter. Timeless good advice from a family doctor.




