May 15, 2013



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    The Benefits of Vitamin D

    Interest in vitamin D has increased tremendously over the past decade. Some experts have gone so far as to proclaim that the world is currently in the midst of a vitamin D revolution.

    Indeed, the body of research on vitamin D is enormous, and more studies are being published every month -- sometimes confirming known benefits or suggesting new ones, sometimes finding no benefits, and in rare cases suggesting potential harms.

    And while there is no question that vitamin D is an essential nutrient -- and its role in bone health is well established -- there are still so many unanswered questions:

    • Can vitamin D help prevent diseases other than osteoporosis and other bone diseases?
    • What is the impact of the controversial Institute of Medicine (IOM) report on recommended intakes of calcium and vitamin D?
    • How common is vitamin D deficiency in children and adults?
    • How does vitamin D deficiency compare to vitamin D insufficiency?
    • What is the optimal intake of vitamin D for overall good health?
    • Should you have your blood level of vitamin D measured even if you have no symptoms that would suggest a deficiency?
    • Should you take vitamin D supplements to raise blood levels considered to be too low? If so, which formulas are best?
    • How much vitamin D intake is too much?
    • Should more foods be fortified with vitamin D?


    To help dispel some of the confusion and put the vitamin D debate into perspective, we asked John Edward Swartzberg, M.D., F.A.C.P., and the editors of the UC Berkeley Wellness Letter to share their insights in a provocative new Digital Special Report, The Benefits of Vitamin D: Bone Health & Beyond.

    You may already know Dr. Swartzberg from the UC Berkeley Wellness Letter, where he is Chair of the Editorial Board and writes a regular column. Dr. Swartzberg is also Clinical Professor of Medicine in the School of Public Health at the University of California, Berkeley.


    How to Make the Most of the Factors
    That Affect Your Vitamin D Metabolism

    The biochemistry of vitamin D is complex -- even the terminology can be mind numbing. That's why Dr. Swartzberg begins The Benefits of Vitamin D with a concise look at vitamin D basics -- its role in bone health, regulation of cell growth, immune function and reduction of inflammation.

    In easy-to-understand layman's language, the Report explores key issues, including: the impact of skin color, age, season and time of day in your skin's production of vitamin D... how your genetic makeup influences blood levels of vitamin D... calciferol, ergocalciferol and other terms related to vitamin D. You'll learn about:

    • Dietary sources of vitamin D, including new D-enhanced mushrooms
    • The benefits and dangers of high loading doses of vitamin D supplements
    • A comparison of vitamin D3 and vitamin D2 found in supplements
    • Should you be tested for your vitamin D blood level -- and if you are, what's the cut off for vitamin D deficiency
    • What you should know before you are tested -- for example, how does seasonal variability affect results?
    • Symptoms and treatment of vitamin D deficiency
    • Pregnancy, breastfeeding and vitamin D -- what new moms should know

    Vitamin D and Disease: What the Research Shows

    Can high doses of vitamin D prevent, treat or delay a wide variety of conditions and diseases affecting virtually every part of the body? This question gets to the heart of the vitamin D debate.

    On one side of the debate are researchers who for years have been advocating higher intakes and blood levels of vitamin D and who feel that the latest IOM recommendations fell short. On the other side are those who fear that the vitamin D bandwagon has gotten far ahead of the research and who worry that it may crash, as did the bandwagons for antioxidant supplements when long-awaited clinical trials failed to find benefit and sometimes even suggested harm.

    In this key chapter, the Report provides an in-depth look at current research and scientific evidence on vitamin D. The editors sift through hundreds of studies and articles in leading scientific journals to bring you cutting-edge insights on the relationship between vitamin D and many of the diseases that affect older adults. We encourage you to read this section carefully and share this is valuable information with friends and family affected by these conditions:


    Arthritis Falls
    Breast cancer Heart disease
    Colorectal cancer Hypertension
    Prostate cancer Immune function
    Skin cancer Multiple sclerosis
    COPD Obesity
    Cognitive function and dementia Osteoporosis and fractures
    COPD Obesity
    Dental health Parkinson's disease
    Depression Psoriasis


    Drawing on analysis and guidance from the landmark Institute of Medicine report, as well as leading vitamin D researchers and health organizations -- the Endocrine Society, the Canadian Cancer Society, the National Osteoporosis Society and others -- The Benefits of Vitamin D: Bone Health & Beyond consolidates the research, providing page after page of provocative argument and debate.

    Current, Accurate and Trustworthy
    The University of California, Berkeley Promise


    One of the most respected educational institutions in the world, the University of California, Berkeley has, for over a century, built an extraordinary record of achievement. Its faculty has produced 21 Nobel laureates, 5 Pulitzer Prize winners, 135 appointees to the National Academy of Sciences and 30 winners of the National Medal of Science.

    For more than 60 years, the School of Public Health at UC Berkeley has helped promote and protect the health of Americans. It is one of the nation's leading research and teaching institutions in the field of public health. Its internationally renowned faculty includes physicians, educators, nutrition experts, epidemiologists and other public health professionals. Among its areas of research are: the control of cancer, the relationship between diet and disease prevention, occupational health, the link between social support and good health, and environmental health.

    Still not sure you'll benefit from this Special Report?
    No problem. Our No-Strings, Can't-Lose, Must-Be-Satisfied Guarantee!

    The Benefits of Vitamin D: Bone Health & Beyond comes with a risk-free guarantee of satisfaction: if you're not satisfied for any reason, simply contact Customer Service for a prompt refund of your full purchase price of $19.95. So you risk nothing.

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