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Nutrients 2013, 5(2), 509-524; doi:10.3390/nu5020509

Do Fat Supplements Increase Physical Performance?

Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Via del Vespro, 129, Palermo, Italy
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Received: 5 November 2012 / Revised: 7 January 2013 / Accepted: 31 January 2013 / Published: 7 February 2013
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Abstract

Fish oil and conjugated linoleic acid (CLA) belong to a popular class of food supplements known as “fat supplements”, which are claimed to reduce muscle glycogen breakdown, reduce body mass, as well as reduce muscle damage and inflammatory responses. Sport athletes consume fish oil and CLA mainly to increase lean body mass and reduce body fat. Recent evidence indicates that this kind of supplementation may have other side-effects and a new role has been identified in steroidogenensis. Preliminary findings demonstrate that fish oil and CLA may induce a physiological increase in testosterone synthesis. The aim of this review is to describe the effects of fish oil and CLA on physical performance (endurance and resistance exercise), and highlight the new results on the effects on testosterone biosynthesis. In view of these new data, we can hypothesize that fat supplements may improve the anabolic effect of exercise.
Keywords: fish oil; conjugated linoleic acid; endurance exercise; resistance exercise; steroidogenic cells; steroidogenesis; testosterone fish oil; conjugated linoleic acid; endurance exercise; resistance exercise; steroidogenic cells; steroidogenesis; testosterone
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Macaluso, F.; Barone, R.; Catanese, P.; Carini, F.; Rizzuto, L.; Farina, F.; Di Felice, V. Do Fat Supplements Increase Physical Performance? Nutrients 2013, 5, 509-524.

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