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Cited by 79Fatty Acid Research and HealthNutritional Studies and DietAquaculture Nutrition and Growth

Inclusion of fish or fish oil in weight-loss diets for young adults: Effects on blood lipids

Gunnarsdottir, I, Tomasson, H, Kiely, M, Martinéz, J A, Bandarra, N M, Morais, M G, Thorsdottir, I·2008·International Journal of Obesity
DOI 10.1038/ijo.2008.64
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Abstract

Objective To assess the effects of fish (lean or oily) and fish oil consumption on blood lipid concentration during weight loss.Design Randomized, controlled 8-week trial of energy-restricted diet varying in fish and fish oil content. Subjects, 324 men and women, aged 20-40 years, body mass index 27.5-32.5 kg m(-2), from Iceland, Spain and Ireland, were randomized to one of four groups: (1) control (sunflower oil capsules, no seafood), (2) cod diet (3 x 150 g week(-1)), (3) salmon diet (3 x 150 g week(-1)), (4) fish oil (DHA/EPA capsules, no seafood). The macronutrient composition of the diets was similar between the groups and the capsule groups were single-blinded.Measurements Total cholesterol (TC), high-density lipoprotein (HDL) and low-density lipoprotein cholesterol, triacylglycerol (TG) and anthropometrics were measured at baseline and end point.Results The difference in logTG lowering between the control group and the cod diet, salmon diet and fish oil from baseline to end point was -0.036 (95% CI -0.079 to 0.006), -0.060 (-0.101 to -0.018) and -0.037 (-0.079 to 0.006), respectively. Reduction in TC was about 0.2 mmol l(-1) greater in the fish groups (cod and salmon) than in the control group, but only of borderline significance when adjusting for weight loss. HDL tended to decrease less in the diet groups consuming a significant amount of n-3 fatty acids (salmon and fish oil).Conclusion Weight-loss diet including oily fish resulted in greater TG reduction than did a diet without fish or fish oil. Controlled trials using whole fish as a test meal are encouraged to be able to elucidate the role of different constituents of fish for human health.

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Authors
Gunnarsdottir, I., Tomasson, H., Kiely, M., Martinéz, J. A., Bandarra, N. M., Morais, M. G., & Thorsdottir, I.
Affiliations
  • University College Cork (IE)
  • University of Lisbon (PT)
ORCID
Venue
International Journal of Obesity
Publisher
Springer Science and Business Media LLC
Published
2008-05-20
Volume
32
Issue
7
Pages
1105-1112
ISSN
  • 0307-0565 (ISSN-L)
  • 1476-5497
DOI
10.1038/ijo.2008.64
OpenAlex
W2090891305
Cited by
79
References
42
Citations by year
2025: 1 · 2024: 8 · 2023: 1 · 2022: 3 · 2021: 6 · 2020: 4 · 2019: 5 · 2018: 6 · 2017: 3 · 2016: 8 · 2015: 2 · 2014: 1 · 2013: 7 · 2012: 7
FWCI
5.37
Type
journal article
Language
en
Open access
closed
Licence
www.springer.com/tdm (tdm)
Locations
  • International Journal of Obesity (publishedVersion)
  • PubMed (publishedVersion)
  • Hirsla (Landspítali University Hospital) (submittedVersion)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
Keywords
fish consumption, fish oil, weight loss, hypocaloric diet, serum lipids, triglycerides, total cholesterol, HDL cholesterol, LDL cholesterol, omega-3 fatty acids, cod, salmon, young adults, overweight
MeSH terms
Adult, Animals, Cholesterol, Diet, Reducing, Docosahexaenoic Acids, Female, Fish Oils, Fishes, Humans, Iceland, Ireland, Lipids, Cholesterol, HDL, Cholesterol, LDL, Male, Salmon, Spain, Triglycerides, Eicosapentaenoic Acid, Weight Loss, Logistic Models, Treatment Outcome

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