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Multivitamin-multimineral supplements' effect on total nutrient intake.
Am J Clin Nutr. 2007 Jan; 85(1):280S-284S.AJ

Abstract

Use of multivitamin-multimineral supplements is widespread and can contribute substantially to total nutrient intakes. In the Hawaii-Los Angeles Multiethnic Cohort (MEC), 48% of men and 56% of women without chronic diseases reported use of multivitamin supplements at least weekly over the past year. We calculated the prevalence of nutrient adequacy for 17 nutrients based on responses to a self-administered quantitative food-frequency questionnaire administered to MEC participants at baseline in 1993-1996. Although the prevalence of nutrient adequacy from food only was higher for multivitamin supplement users (n = 21,056) than for nonusers (n = 69,715), differences averaged only 2 percentage points. For multivitamin users, the prevalence of adequacy improved by an average of 8 percentage points for both men and women when intake from supplements was included. Users were also more likely to have potentially excessive intakes, particularly for iron, zinc, vitamin A, and niacin. The 26,735 MEC participants in Hawaii who answered an open-ended question about multivitamin use in 1999-2001 reported using 1246 different products. The nutrient profile of these products varied widely, and the composition of products at the 90th percentile was 10-fold greater than the composition at the median for some nutrients. We conclude that analyses of nutrient adequacy and excess for supplement users should be extended to national samples and that composition data on actual supplements used are preferable to assuming a default nutrient profile for multivitamin supplements. Multivitamin products could be better formulated to reduce the prevalence of inadequacy and also to reduce the risk of excessive intakes.

Authors+Show Affiliations

Cancer Research Center of Hawaii, University of Hawaii, Honolulu, HI 96813, USA. suzanne@crch.hawaii.eduNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S.
Review

Language

eng

PubMed ID

17209210

Citation

Murphy, Suzanne P., et al. "Multivitamin-multimineral Supplements' Effect On Total Nutrient Intake." The American Journal of Clinical Nutrition, vol. 85, no. 1, 2007, 280S-284S.
Murphy SP, White KK, Park SY, et al. Multivitamin-multimineral supplements' effect on total nutrient intake. Am J Clin Nutr. 2007;85(1):280S-284S.
Murphy, S. P., White, K. K., Park, S. Y., & Sharma, S. (2007). Multivitamin-multimineral supplements' effect on total nutrient intake. The American Journal of Clinical Nutrition, 85(1), 280S-284S.
Murphy SP, et al. Multivitamin-multimineral Supplements' Effect On Total Nutrient Intake. Am J Clin Nutr. 2007;85(1):280S-284S. PubMed PMID: 17209210.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Multivitamin-multimineral supplements' effect on total nutrient intake. AU - Murphy,Suzanne P, AU - White,Kami K, AU - Park,Song-Yi, AU - Sharma,Sangita, PY - 2007/1/9/pubmed PY - 2007/2/16/medline PY - 2007/1/9/entrez SP - 280S EP - 284S JF - The American journal of clinical nutrition JO - Am J Clin Nutr VL - 85 IS - 1 N2 - Use of multivitamin-multimineral supplements is widespread and can contribute substantially to total nutrient intakes. In the Hawaii-Los Angeles Multiethnic Cohort (MEC), 48% of men and 56% of women without chronic diseases reported use of multivitamin supplements at least weekly over the past year. We calculated the prevalence of nutrient adequacy for 17 nutrients based on responses to a self-administered quantitative food-frequency questionnaire administered to MEC participants at baseline in 1993-1996. Although the prevalence of nutrient adequacy from food only was higher for multivitamin supplement users (n = 21,056) than for nonusers (n = 69,715), differences averaged only 2 percentage points. For multivitamin users, the prevalence of adequacy improved by an average of 8 percentage points for both men and women when intake from supplements was included. Users were also more likely to have potentially excessive intakes, particularly for iron, zinc, vitamin A, and niacin. The 26,735 MEC participants in Hawaii who answered an open-ended question about multivitamin use in 1999-2001 reported using 1246 different products. The nutrient profile of these products varied widely, and the composition of products at the 90th percentile was 10-fold greater than the composition at the median for some nutrients. We conclude that analyses of nutrient adequacy and excess for supplement users should be extended to national samples and that composition data on actual supplements used are preferable to assuming a default nutrient profile for multivitamin supplements. Multivitamin products could be better formulated to reduce the prevalence of inadequacy and also to reduce the risk of excessive intakes. SN - 0002-9165 UR - https://www.unboundmedicine.com/medline/citation/17209210/Multivitamin_multimineral_supplements'_effect_on_total_nutrient_intake_ L2 - https://academic.oup.com/ajcn/article-lookup/doi/10.1093/ajcn/85.1.280S DB - PRIME DP - Unbound Medicine ER -