All Posts tagged lean fat mass

More reasons to take Fish oil


This study looked at the effects of supplemental fish oil (FO) on resting metabolic rate (RMR), body composition, and cortisol production in healthy adults.

Baseline measurements of Resting Metabolic Rate, body composition, &  cortisol were measured.

Following baseline testing, subjects were randomly assigned in a double blind manner to one of two groups: 4 g/d of Safflower Oil (SO); or 4 g/d of Fish Oil (FO) supplying 1,600 mg/d eicosapentaenoic acid (EPA) and 800 mg/d docosahexaenoic acid (DHA).

All tests were repeated following 6 wk of treatment. 

Results: Compared to the Safflower Oil group, there was:

• A significant increase in fat free mass following treatment with Fish Oil,  and a significant reduction in fat mass.
• A  tendency for a decrease in body fat percentage.
• No significant differences were observed for body mass.
• A tendency for salivary cortisol to decrease in the FO group.
• There was a significant correlation in the FO group between change in cortisol and change in fat free mass.

Conclusion: 6 wk of supplementation with FO significantly increased lean mass and decreased fat mass. These changes were significantly correlated.

Source: Journal of the International Society of Sports Nutrition, Oct 8, 2010;7:31. PMID: 20932294, by Noreen EE, et al. Department of Health Sciences, Gettysburg College, Gettysburg Pennsylvania, USA. 

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