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NIH Office of the Director (OD)

Office of Dietary Supplements (ODS)

For Immediate Release
Monday, October 1, 2007

Lisa Ahramjian

Significant Advances in Dietary Supplement Research Highlighted in 2006 Annual Bibliography

Studying the risks and benefits of dietary supplements has always posed unique challenges to researchers. To potentially support conclusive recommendations, these studies must enroll thousands of people and follow them for years. Additionally, as dietary supplements are regulated as foods, products can be sold without demonstrating efficacy. These factors can result in exaggerated research findings and conflicting health messages to consumers. To help advance the field and better inform the public, the Office of Dietary Supplements (ODS) at the National Institutes of Health (NIH) has published the 2006 Annual Bibliography of Significant Advances in Dietary Supplement Research, highlighting 25 of the most significant dietary supplement research advances of the past year.

"When we initiated this project in 1999, our objective was to give researchers credit for raising the bar on supplement research and encourage others to follow their lead," said Paul M. Coates, Ph.D., director of ODS. "However, even the highlighted studies should be viewed as clues, not verdicts. Just because a study points to a compound having an interesting effect doesn't mean we are ready to make a broad public health recommendation." The Annual Bibliography is part of ODS' commitment to improve the quality of dietary supplement research and subsequent health messages.

The 2006 Annual Bibliography highlights emerging findings from a diverse array of laboratory and human studies. These include the potentially favorable effects of black cohosh in bone remodeling, ginkgo and omega-3 fatty acids in cognitive health and slowing the progression of Alzheimer's disease, resveratrol as an anti-inflammatory compound, and vitamin D in reducing prostate cancer risk.

"If these preliminary findings are substantiated in more rigorous studies, they could lay the foundation for some exciting health milestones — but only time will tell," said Rebecca B. Costello, Ph.D., editor of the Annual Bibliography.

Since its inception, ODS has used the Annual Bibliography to track emerging areas of dietary supplement research, identify needs, and make recommendations to the research community. The 2005 Annual Bibliography noted that study materials were not described sufficiently to enable other researchers to confirm the findings. "It is encouraging to see that many leading journals are now requiring authors to make their research more transparent by providing specifics about their study design," said Leila Saldanha, Ph.D., R.D., co-editor of the Annual Bibliography.

Now in its eighth issue, the Annual Bibliography included the top 25 papers based on the rankings of recognized experts in the fields of nutrition, botanical sciences, and public health. These were selected from about 300 papers that appeared in more than 45 peer-reviewed scientific journals. Over 50 percent of the studies that appear in the 2006 Annual Bibliography received funding from the NIH.

Copies of the Annual Bibliography of Significant Advances in Dietary Supplement Research 2006 may be downloaded from the ODS Web site at http://ods.od.nih.gov/Research/Annual_Bibliographies.aspx. Copies may also be requested by e-mail (ods@nih.gov), or by writing to the Office of Dietary Supplements at 6100 Executive Blvd., Rm. 3B01, MSC 7517, Bethesda, Md. 20892-7517, USA. This year's issue was released September 29, 2007 at the Food & Nutrition Conference & Expo of the American Dietetic Association (Philadelphia, Pa.) and American College of Nutrition Annual Meeting (Orlando, Fl.).

The Office of the Director, the central office at NIH, is responsible for setting policy for NIH, which includes 27 Institutes and Centers. This involves planning, managing, and coordinating the programs and activities of all NIH components. The Office of the Director also includes program offices which are responsible for stimulating specific areas of research throughout NIH. Additional information is available at http://www.nih.gov/icd/od/.

The mission of the NIH Office of Dietary Supplements (ODS) is to strengthen knowledge and understanding of dietary supplements by evaluating scientific information, stimulating and supporting research, disseminating research results, and educating the public to foster an enhanced quality of life and health for the U.S. population. For additional information about ODS, visit http://ods.od.nih.gov.

The National Institutes of Health (NIH) — The Nation's Medical Research Agency — includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. It is the primary federal agency for conducting and supporting basic, clinical and translational medical research, and it investigates the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit www.nih.gov.

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