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Reference Daily Intake

About: Reference Daily Intake is a research topic. Over the lifetime, 1564 publications have been published within this topic receiving 52794 citations.


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Journal ArticleDOI
TL;DR: The findings support continued efforts by oncology nurses to identify the types of supplements cancer survivors are using and caution nurses against the use of individual supplements as well as combinations of different supplements containing nutrient quantities above recommended daily intake levels.
Abstract: Purpose/objectives To assess dietary supplement use and its association with demographic and health-related characteristics among cancer survivors and to investigate differences in supplement use patterns by cancer site. Design A cross-sectional survey. Setting Computer-assisted telephone survey. Sample 1,233 adult (ages 30-69) survivors participating in the Penn State Cancer Survivor Study who underwent an interviewer-administered questionnaire. Methods Descriptive statistics with multivariate logistic regression to determine demographic, disease, and health-related predictors of supplement use. Main research variables Use of dietary supplements and types of supplements taken. Findings Supplement use ranged from 50% among blood cancer survivors to 85% among melanoma skin cancer survivors, with an overall prevalence rate of 73%. Multivariate logistic regression revealed statistically significant associations (p values or= age 50), higher levels of education and physical activity, female gender, lower body mass index, and white ethnicity. Conclusions Overall, a wide variety of supplements were reported, although multivitamins, calcium and vitamin D combinations, and antioxidant vitamin combinations were the most prevalent. Seventy-eight percent of supplement users took more than one supplement. Implications for nursing The findings support continued efforts by oncology nurses to identify the types of supplements cancer survivors are using. Nurses should caution against the use of individual supplements as well as combinations of different supplements containing nutrient quantities above recommended daily intake levels. Furthermore, oncology nurses and other healthcare professionals should be receptive to questions and prepared to initiate conversations with patients about their use of dietary supplements.

46 citations

Journal ArticleDOI
TL;DR: It was pointed out that consideration of different food proteins in relation to amino acid and nitrogen requirements constitutes an important, but only an initial, basis for evaluating the role of dietary protein and of various food protein sources in human nutrition and health.

46 citations

Journal ArticleDOI
TL;DR: For most micronutrients, use of nutritional supplements does not completely compensate for intakes below the estimated average requirement (AR), so athletes should consider making better food choices and the daily use of a low-dosed multivitamin supplement.
Abstract: This study investigated whether athletes meet micronutrient recommendations and whether the adequacy of their intake is related to the use of dietary supplements, sport nutrition products or a combination. Micronutrient intakes of 553 Dutch (sub-) elite athletes were assessed using web-based 24-h dietary recalls with accompanying nutritional supplement questionnaires. In the majority of both users and non-users of dietary supplements, vitamin D intake was below the estimated average requirement (AR) if supplements were not included in the analysis. Including dietary supplements improved vitamin D intake, but still a part of the athletes, both men and women, reported an intake below the AR. Non-users of dietary supplements were particularly at risk for low intakes of vitamins B1, B2, B3 and vitamins A, C and selenium. Mean iron intake was reported below the AR in a substantial group of women, both users and non-users. The use of sport nutrition products contributed only slightly to micronutrient intake. A small prevalence of athletes using dietary supplements showed intakes of some micronutrients above the Upper Level. In conclusion, both users and non-users of nutritional supplements reported inadequate intake of micronutrients. For most micronutrients, use of nutritional supplements does not completely compensate for intakes below AR. Athletes should consider making better food choices and the daily use of a low-dosed multivitamin supplement.

46 citations

Journal ArticleDOI
TL;DR: There was no relationship between vitamins B6, B12, or folate intake on global brain volume measures, indicating that VBM methods are more sensitive for detecting localized differences in gray matter volume than global measures.

46 citations

Journal ArticleDOI
TL;DR: There was a significantly greater incidence of lactose intolerance in MA as compared to AA children, which suggests that Mexican-Americans share in the high incidence of primary lactose intolerant characteristic of the majority of the orld's peoples.

46 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202319
202220
202135
202039
201929
201838