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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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Ask Dr. Andro: Are There NO Changes in the New N.O.-Xplode 2.0 Advanced Strength Formula?

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The official SuppVersity Supplement Shoot-Out! The longstanding veteran, NOXplode AVPT , is challenged by a clone of its own,  NOXplode 2.0 Advanced Strength - which will be the last pre-workout standing? Question Dr. Andro: What the... is BSN trying to scam costumers? At first sight the labels of the old and the new Advanced Strength version of N.O.-Xplode seem to be absolutely identical. Answer Dr. Andro: I am usually not soliloquizing, but in this case I thought that many of you may have had the same thought, when they spotted the new(?) BSN N.O-Xplode 2.0 - Advanced Strength in the "new products" column of their favorite supplement vendor: a lot of boastful claims in the product description, but no eye-catching changes in the actual formula.... Reason enough to devote a few hours of my precious time to scrutinize the labels of the old N.O.-Xplode AVPT and the purportedly "new" N.O.-Xplode 2.0 Advanced Strength . N.O.-Xplode AVPT vs N.O.-Xplo...
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Beet Root Juice Supplementation Improves Exercise Performance. Nitrate Content of the Beets Decreases ATP Turnover in High Intensity Exercise.

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Nitrates have long been decried as toxic and dangerous and I bet, before their latest appearance to the supplement market, none of you would even have remotely considered to consciously increase his/her dietary nitrate supply. Yet, recent scientific studies confirm that nitrate (in moderate doses) is not only safe, but also has, its effects on vasodilation aside, quantifiable effects on exercise performance. A group of scientists from the UK tried to find out the underlying mechanisms of the ergodicity of supplemental nitrate ( Baily. 2011 ). Following a six day supplementation period in the course of which seven males (aged 19-38 yr) consumed 500 mL per day of either nitrate-rich beetroot juice (~300mg nitrate content) or placebo (PL, with negligible nitrate content). What they observed is best described as a "tuning effect" that was observable both, in the course of high, as well as in the course of low intensity exercise training. During low intensity exercise ,...
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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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