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1.5g of Vitamin C do not Alter Neutrophil Function in Athletes: ROS & SOA Elevations Remain Unchanged

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The verdict is still out there on whether antioxidant supplementation before or around exercise is a good or a bad thing for professional athletes. A recent study by Yamai et al. ( Yamai. 2011 ) which investigated the effect of 1.5g of vitamin C /day on the neutrophil function of judoists found no evidence for either of the propositions - neutrophil counts were not statistically different between the two groups of the 22 male judoists after a 7-day intensified training camp for: [...]although the typical changes seen following a single bout of normal exercise, namely an increase in SOA [serum opsonic activity] and ROS [reactive oxygen species], and a decrease in PA [neutrophil phagocytic activity], were recorded following the pre- and post-camp ULEs in both groups, significant difference in change rates were not seen between both groups. These results go hand in hand with many other more recent investigations into the beneficial effects of vitamin C and combinations of antioxidants (a...
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Pre-Workout Supplementation with BCAAs Attenuates Muscle Damage from Squats

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We all know it, the squat, the king of all exercises is notorious for inducing deep onset muscle soreness within the next 48 hours. While, against common wisdom, this is not a reliable indicator for muscle damage, science tells us that squatting at high intensities will exert a certain amount of damage to the fibers of your quads, glutes and hamstrings. Kazunori Mawatari has now found that providing the participants of his study with 100mg/kg BCAA (isoleucine:leucine:valine = 1:2.3:1.2) before the squatting for 7 sets of 20 squats/set with 3-min intervals between sets. Significantly lowered the level of soreness the participants experienced 2-3 day after the trial. What is yet of greater importance is the influence of BCAA supplementation on muscle-force and indizes of muscle damage: Leg-muscle force during maximal voluntary isometric contractions was measured 2 d after exercise (Day 3), and the BCAA supplementation suppressed the muscle-force decrease (to ~80% of the value recor...
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