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Association of reported fish intake and supplementation status with the omega-3 index
| Content Provider | Scilit |
|---|---|
| Author | Jackson, K. H. Polreis, J. M. Tintle, N. L. Kris-Etherton, P. M. Harris, W. S. |
| Copyright Year | 2019 |
| Description | Journal: Prostaglandins, Leukotrienes & Essential Fatty Acids (plefa) An Omega-3 Index (O3I; EPA+DHA as a % of erythrocyte total fatty acids) in the desirable range (8%-12%) has been associated with improved heart and brain health. To determine the combination of fish intake and supplement use that is associated with an O3I of >8%. Two cross-sectional studies comparing the O3I to EPA+DHA/fish intake. The first study included 28 individuals and assessed their fish and EPA+DHA intake using both a validated triple-pass 24-hr recall dietary survey and a single fish-intake question. The second study used de-identified data from 3,458 adults (84% from US) who self-tested their O3I and answered questions about their fish intake and supplement use. Study 1, chi-squared, one-way ANOVA, and Pearson correlations were computed. In Study 2, multi-variable regression models were used to predict O3I levels from reported fish/supplement intakes. The mean ± SD O3I was 4.87 ± 1.32%, and 5.99 ± 2.29% in the first and second studies, respectively. Both studies showed that for every increase in fish intake category the O3I increased by 0.50-0.65% (p < 0.0001). In the second study, about half of the population was taking omega-3 supplements, 32% reported no fish intake and 17% reported eating fish >2 times per week. Taking an EPA+DHA supplement increased the O3I by 2.2% (p < 0.0001). The odds of having an O3I of ≥8% were 44% in the highest intake group (≥3 servings/week and supplementation) and 2% in the lowest intake group (no fish intake or supplementation); and in those consuming 2 fish meals per week but not taking supplements (as per recommendations), 10%. Current AHA recommendations are unlikely to produce a desirable O3I. Consuming at least 3 fish servings per week plus taking an EPA+DHA supplement markedly increases the likelihood of achieving this target level. |
| Related Links | https://digitalcollections.dordt.edu/cgi/viewcontent.cgi?article=2152&context=faculty_work |
| ISSN | 09523278 |
| e-ISSN | 15322823 |
| DOI | 10.1016/j.plefa.2019.01.002 |
| Journal | Prostaglandins, Leukotrienes & Essential Fatty Acids (plefa) |
| Volume Number | 142 |
| Language | English |
| Publisher | Elsevier BV |
| Publisher Date | 2019-03-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Prostaglandins, Leukotrienes & Essential Fatty Acids (plefa) Dietary Records Dietary Supplements Docosahexaenoic Acid Eicosapentaenoic Acid Food Frequency Questionnaire Omega-3 Fatty Acids Omega-3 Index |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Clinical Biochemistry |
