Vitamin D

"Once foods were fortified with vitamin D and rickets appeared to have been conquered, many health care professionals thought the major health problem resulting from vitamin D deficiency had been resolved.  However, rickets can be considered the tip of the vitamin D-deficiency iceberg.   In fact, vitamin deficiency remains common in children and adults.  In utero and during childhood, vitamin D deficiency can cause growth retardation and skeletal deformities and may increase the risk of future hip fracture later in life.  Vitamin D deficiency in adults can precipitate or exacerbate osteopenia and osteoporosis, cause osteomalacia and muscle weakness, and increase the risk of fracture."

"Of great interest is the role it can play in decreasing the risk of many chronic illnesses, including common cancers, autoimmune diseases, infectious diseases and cardiovascular disease."

Michael Holick, M.D.

Vitamins, Immune Response and Safety
Interview with Adrianne Bendich, Ph.D.
"All of the major researchers from around the world attended and the take-home message was that well before signs of vitamin deficiency are obvious, immune system reactions have been significantly decreased.  Thus, the immune system appears to have higher micronutrient requirements than other organs or tissues of the body."

Vitamin Deficiency, Megadoses, and Some Supplemental History
by William Kaufman, M.D., Ph.D.

"In over a half century, a huge medical literature is available on the diagnosis of vitamin deficiencies and the safe therapeutic use of vitamins even when some were used in megadoses."

"If doctors want to know the long term effects of various vitamin megadoses, they have to go back and study the literature.  Since most articles and books on this subject cannot be found by electronic means, it requires that they make such a literature search manually."

Answer to the Media Attack on Supplements
by William Faloon
from Life Extension Foundation
Detailed article on the science behind the headlines.

Articles from
If You Have Been Told That Vitamins Are Harmful, Please Read This
by Andrew W. Saul, Ph.D.
Detailed.   Recommended.

Ten Ways to Spot Anti-Vitamin Biases in a Scientific Study
by Andrew W. Saul, Ph.D.

Facts and Factoids: An Information Sheet for Patients
by Abram Hoffer M.D. Ph.D.
"The factoids about vitamins, used in optimum doses when needed, are not true, are not based upon clinical evidence, do not have any studies including double blind controlled clinical data to support them, and are used primarily to attack the new paradigm, the vitamins-as-treatment paradigm.  Be wary of factoids whether they are in print, on the internet, in the news media, on radio or on television."

Articles on Vitamin D

Vitamin D: The Underrated Essential
An Interview with Michael F. Holick, M.D.
from Life Extension Foundation
"Vitamin D is critically important for maintaining normal calcium levels in the blood and for bone health.  Not only that, but we have found that if blood levels of vitamin D are good, it reduces the rate of colon cancer by about 50%.  In short, vitamin D plays a crucial role in many metabolic functions as well as neural, cardiac and muscle function."

Vitamin D: The Vitamin Most People in the U.S. are Deficient In
By John Jacob Cannell, M.D.
"One thing most Americans seem to believe is that sunlight must be avoided for it causes skin cancer, especially malignant melanoma."

The Impact of Vitamin D Deficiency
from Life Extension Foundation
"Because of vitamin D's far-reaching biochemical impact, the consequences of even a slight deficiency can be quite serious - resulting in everything from gross abnormalities in bone metabolism to hyperparathyroidism and an increased risk of developing Type I diabetes."

One Billion People Don't Get Enough Vitamin D
from HealthDay July 19, 2007
"In the July 19 issue of the New England Journal of Medicine, Michael Holick, director of the General Clinical Research Center at Boston University School of Medicine and director of the Bone Healthcare Clinic at Boston Medical Center, published an overview of his work on vitamin D."

Vitamin D Deficiency
by Michael F. Holick, M.D.
from The New England Journal of Medicine July 19, 2007
"Undiagnosed vitamin D deficiency is not uncommon, and 25-hydroxvitamin D is the barometer for vitamin D status.   Serum 25-hydroxvitamin D is not only an independent predictor of risk for cancer and other chronic diseases.  The report that postmenopusal women who increased their vitamin D intake by 1100 IU of vitamin D, reduced their relative risk of cancer by 60 to 77% is a compelling reason to be vitamin D-sufficient."

Vitamin D, Sunshine, and Your Health
from Vitamin D Council
"If you totally avoid the sun, recent research indicates you need about 4,000 units of vitamin D a day!  Which means you can't get enough vitamin D from milk (unless you drink 40 glasses a day) or from a multivitamin (unless you take about 10 tablets a day), neither of which is recommended.

Most of us make about 20,000 units of vitamin D after about 20 minutes of summer sun. This is about 100 times more vitamin D than the government says you need every day.

The only way to be sure you have adequate levels of vitamin D in your blood is to regularly go into the sun, use a sun bed (avoiding sunburn), or have your physician administer a 25-hydroxyvitamin D test.  Optimal levels are around 50 ng/mL (125 nM/L).

If you don't get vitamin D the way Mother Nature intended, from sunshine, you need to take supplemental vitamin D3 cholecalciferol.  Since most of us get a lot more vitamin D from sunshine than we realize, most of us need about 2,000 units a day extra."

Cancer Defeated: Vitamin D Pill For All
by Bill Sardi
"Researchers at the University of California San Diego caught the cancer industry by surprise with their stunning review of 63 published papers, revealing cancer rates can be dramatically reduced by raising blood levels of vitamin D beyond dietary levels with the use of vitamin pills.  Large portions of human populations, especially in northern latitudes and people with darkly-pigmented skin, have very low circulating levels of vitamin D.

Articles by Joseph Mercola, D.O.
Vitamin D Is Not A Vitamin But A Steroid Hormone Precursor

Your Well-Being Depends on the Sun
An Interview with Michael F. Holick, M.D.

Test Values and Treatment for Vitamin D Deficiency
"Before considering supplementation with vitamin D, it would be wise to have your vitamin D level tested.  This is best done from a nutritionally oriented physician.  It is very important that they order the correct test."

"There are two vitamin D tests -- 1,25(OH)D and 25(OH)D.   25(OH)D is the better marker of overall D status. It is this marker that is most strongly associated with overall health.   The correct test is 25(OH)D, also called 25-hydroxyvitamin D

Beware of Most Prescription Vitamin D Supplements!

Andrew Saul's Web Site

Life Extension Foundation
"The Life Extension Foundation is the largest organization dedicated to investigating every method of extending the healthy human life span.  When seeking methods to slow aging and prevent disease, the foundation often uncovers potential therapies to treat the degenerative diseases of aging such as Alzheimer's and Parkinson's disease, cancer, stroke, macular degeneration, etc."

Linus Pauling Institute
"Major areas of research in the Institute encompass heart disease, cancer, aging, and neurodegenerative diseases.  Specific laboratories address antioxidants and vascular biology; vitamin E metabolism and biological activity; colon cancer and cancer chemoprevention by phytochemicals; the role of nitric oxide and oxidative stress in neurodegenerative diseases, such as ALS (Lou Gehrig's disease); and the role of oxidative stress and mitochondrial dysfunction in the aging process."

Orthomolecular Medicine Online
"Orthomolecular medicine describes the practice of preventing and treating disease by providing the body with optimal amounts of substances which are natural to the body."
"In the orthomolecular view, the provision of vitamins, amino acids, trace elements or fatty acids in amounts sufficient to correct biochemical abnormalities will be therapeutic in preventing or treating such diseases."

Pro Health Network

Vitamin D Council
"The Vitamin D Council is a group of concerned citizens that believe many humans are needlessly suffering and dying from Vitamin D Deficiency."

The Vitamins and Nutrition Center
Provides hundreds of articles on vitamins and nutrition and handy vitamin profiles.

Dr. Hoffman and Dr. Cannell on Vitamin D - July 25, 2007

Dr. Hoffman and Dr. Michael Holick on Vitamin D - April 6, 2007

Dr. Mercola on How to Cut Your Risk of Cancer in Half with Vitamin D

Dr. Mercola on Vitamin D and Cancer


Please click on the picture of the book or the title to order.

Robert C. Atkins, M.D., Dr. Atkins' Vita-Nutrient Solution: Nature's Answer to Drugs

James F. Balch, M.D., The Super Anti-Oxidants: Why They Will Change the Face of Healthcare in the 21st Century

Michael Holick, M.D., The UV Advantage: The Medical Breakthrough that Shows How to Harness the Power of the Sun for Your Health

Michael Janson, M.D., Dr. Janson's New Vitamin Revolution: Seizing the Power of Nutritional Therapy for a Healthier and Longer Life

Michael Merrill, M.D., Vitamin D: Antidote to Winter and the Darkness

Michael Murray, N.D., Encyclopedia of Nutritional Supplements: The Essential Guide for Improving Your Health Naturally
Allan N. Spreen, M.D., Nutritionally Incorrect: Why the American Diet is Dangerous and How to Defend Yourself

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