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HEALTH DHA™

Omega-3 benefits athletes PNM function

Study data indicates omega-3 supplementation improved peripheral neuromuscular function and aspects of fatigue with an unclear effect on central neuromuscular function.
Abstract
BACKGROUND:
Omega-3 polyunsaturated fatty acids (N-3) are essential nutrients for human health and integral components of neural tissues. There is evidence that N-3 supplementation may benefit exercise performance, however, no study has investigated the ergogenic potential of N-3 supplementation. Our objective was to determine the effect of short-term N-3 supplementation on neuromuscular-function and physical-performance in well-trained athletes.
METHODS:
Male athletes (n
 = 30), 25 years (SD 4.6), training 17 h(.)wk(-1) (SD 5) completed this randomized, placebo-controlled, parallel-design study. At baseline a blood sample was collected, maximal voluntary isometric contractions (MVC) with electromyography (EMG) recordings were measured, and participants underwent various performance tests including a Wingate test and 250 kJ time trial (TT) followed by repeated MVC and EMG measurement. Participants were then randomly assigned to receive N-3 (5 ml seal oil, 375 mg EPA, 230 mg DPA, 510 mg DHA) or placebo (5 ml olive oil) for 21-days after which baseline testing was repeated. The magnitude-based inference approach was used to estimate the probability that N-3 had a beneficial effect on neuromuscular-function and performance of at least ±1 %. Data are shown as mean ± 90 % confidence-interval.
RESULTS:
Plasma EPA was higher on N-3 than placebo (p
 = 0.004) but the increases in DPA and DHA were not significant (p = 0.087, p = 0.058). N-3 supplementation had an unclear effect on MVC force (4.1 ± 6.6 %) but increased vastus lateralis EMG by 20 ± 18 % vs placebo (very likely beneficial). N-3 supplementation reduced Wingate percent power drop by 4.76 ± 3.4 % vs placebo (very likely beneficial), but the difference in TT performance was unclear (-1.9 ± 4.8 %).

CONCLUSION:
Our data indicates N-3 
PUFA supplementation improved peripheral neuromuscular function and aspects of fatigue with an unclear effect on central neuromuscular function. 
Full text:  http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4470064
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