Dietary Supplements

Dietary Supplements

The primary source of the information below comes from the work of tech investment adviser Patrick Cox. References and links to his articles are provided in the summary notes below. The pioneer in Vitamisn D research is Dr. Michael F. Holick[a] whose work is covered in his new book The Vitamin D Solution[2].

Vitamin D

Patrick Cox gives a brief history of vitamin D and the current state of research[1]. The body manufactures vitamin D from sunlight, but most people come no where close to the optimum level. Concerns about excessive exposure to sunlight as a source of harmful skin cancer are discussed. Melanoma, the deadly skin cancer, is not relate to sunshine. Non-melanoma skin cancers do increase somewhat with sun exposure, especially with sunburns. These skin cancers, however, are relatively benign, as they don’t tend to spread to other parts of the body.

Most people in the northern hemisphere, by raising blood  serum levels of 25-hydroxyvitamin D [25(OH)D] to an optimal value, can cut their risks from most major diseases by 50 to 80 percent. Diseases and conditions positively affected by adequate D include:

  • hypertension,
  • bone density,
  • cardiovascular disease,
  • stroke,
  • type 1 diabetes,
  • type 2 diabetes (to a lesser extent),
  • rheumatoid arthritis,
  • peripheral vascular disease,
  • multiple sclerosis,
  • dementia,
  • autoimmune diseases, and
  • viral diseases such as H1N1 and AIDS.

The optimal value is a serum D level of about 40 ng/ml, but even more if you are obese. It takes about 100 international units (IU) to raise serum blood levels by 1 ng/ml in a healthy adult. The active form of vitamin D is 1,25-dihydroxyvitamin D3[a].

Many of the benefits of D appear rapidly. Holick and others who prescribe D in clinical situations report that patients often experience dramatic improvements in quality of life within months. Depression, irritable bowel syndrome, and various other maladies can respond extremely quickly to the sunshine vitamin.

Daily Dosage

  • Vitamin D: 4000 IU barring a more accurate determination by a blood test.


  1. Dr. Michael F. Holick
  2. Transformational Technlogies.


  1. The Best Low-Cost, High-Benefit Life-Extension Technique Available Today.
  2. The Vitamin D Solution: A 3-Step Strategy to Cure Our Most Common Health Problem.


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