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BMC Public Health. 2013 Dec 26;13:1231. doi: 10.1186/1471-2458-13-1231.

Foods, nutrients or whole diets: effects of targeting fish and LCn3PUFA consumption in a 12mo weight loss trial.

Author information

1
Smart Foods Centre, University of Wollongong, Northfields Avenue, Wollongong NSW 2522, Australia. ltapsell@uow.edu.au.

Abstract

BACKGROUND:

There is some evidence in the literature that emphasising fish consumption may assist with weight loss. The aim was to assess the effects of advice to consume 2 fish meals per week in a weight loss diet.

METHODS:

A parallel randomised placebo-controlled trial was conducted in 118 obese Australian adults (mean BMI ± SD 31.3 ± 3.5 kg/m2; mean age ± SD 45 ± 10 y; 28% male). Participants received low calorie dietary advice+placebo (1 g olive oil; CONTROL), low calorie dietary advice emphasising fish+placebo (Fish), or low calorie dietary advice emphasising fish diet + LCn3PUFA supplements (Fish+S). Individualised advice targeted 2 MJ energy deficit (30%E fat, 45%E carbohydrate and 25%E protein) with or without two servings (180 g) fatty fish/wk.

RESULTS:

All groups lost weight at 12 months (CONTROL -4.5 kg vs. Fish -4.3 kg vs. Fish+S -3.3 kg; p<0.001) and percentage body fat (

CONTROL:

-1.5% vs. Fish: -1.4% vs. Fish+S: -0.7%; p<0.001) but there were no significant differences between groups. Cardiovascular disease risk factors changed as expected from weight loss.

CONCLUSIONS:

Advice to consume 2 fish meals per week did not enhance the effects on weight loss of a healthy low calorie diet.

TRIAL REGISTRATION:

ACTRN12608000425392.

PMID:
24369765
PMCID:
PMC3890608
DOI:
10.1186/1471-2458-13-1231
[Indexed for MEDLINE]
Free PMC Article
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