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Synephrine More Ergogenic, Than Thermogenic? Pump Supps Revisited - L-Arginine, L-Citrulline and Respective Whey-Peptides & -Nitrates | ISSN Research Review '15 #2

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Synephrine, arginine, citrulline - Which pre-workout ensures that you're "on fire"? As I pointed out previously , my initial idea to cherry pick only the most interesting study results that were presented in form of of poster presentations at the Twelfth International Society of Sports Nutrition (ISSN) Conference and Expo in 2015 didn't work out. The number of interesting studies is is simply too much for a single SuppVersity  article to discuss them all. Accordingly, I am now posting the 2nd serving of what is going to be a multi-part series of articles with brief discussions of the most significant results of the >20 studies and short references to those that didn't make the SuppVersity  cut in this, previous and future installments of this series for one reason or another. Read more about ISSN and other studies at the SuppVersity Vitargo, Red Bull, Creatine & More | ISSN'15 #1 Pump Supps & Synephrine & X | ISSN'15 #2 Hi...
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L-Arginine - 6g/Day Boost Cholesterol- & Non-Esterified Fatty Acid Lowering Effects of Resistance Training. Are Classic Pre-Workouts Actually "Health Supplements"?

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Lifting will improve your blood lipids, l-arginine will boost the effect. In the spirit of Tuesday's post on the potential negative effects of nitrate supplements on weight loss ( learn more + see box below for some important clarifications), I would like to invite you to take a look at the effects of "short-term  L-arginine  supplementation  on  lipid  profile  and  inflammatory proteins after acute resistance exercise in overweight men" as they are about to be reported in one of the future issues of e-SPEN, the European e-Journal of Clinical Nutrition and Metabolism by Nascimento et al. (Nascimento. 2014) - it's not essentially new, but actually quite a nice reminder of the fat that what I said about l-arginine in the nitrate article was not all made up. An addendum to the nitrate study: Even a persistent 5% reduction in RMR would not necessarily inhibit weight loss + you can argue that your body needs less energy / oxygen, because it works...
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2g Arginine /Day Induce Vasolidation and Increase VO2Max in Male Soccer Players

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Regular readers of the SuppVersity will know that - despite the recent bashing of arginine by the some supplement producers - I like this universal amino acid AND studies supporting the notion of athletes being able to benefit from arginine supplementation keep coming. The most recent one was done by Kamil et al. ( Kamil. 2010 ) and investigated the effect of 2g pure l-arginine on vasolidation and VO2Max in soccer players. Their findings were as follows: Oral supplementation of L-arginine significantly (p<0.01) decreased blood pressure indices and increased VO 2 max (p<0.01), blood flow (p<0.05), femoral artery diameter (p<0.05) and urea levels (p<0.05). There was no change in blood lipid levels (p<0.05). No significant changes were noted in the placebo and control groups. The increase in VO2Max, as shown in Table 1 was relatively low, though. Yet, it's statistical significance stands out of question. L-Arginine Placebo Control ...
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