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Thread: Difference between Arginine and AAKG?
12-25-2005 10:49 PM#1
Gregisthegreate
Slow GainsLocation: London OntarioPosts: 98Rep Power: 10
Difference between Arginine and AAKG?
Exactly what the title says. What’s the difference?
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12-25-2005 11:28 PM#2
Pu12en12g
C6H13NO2Posts: 91,215Rep Power: 62213
NO Information - Bodybuilding.com Forums
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Disclaimer: The above post is my PERSONAL OPINION and DOES NOT REPRESENT the official position of any company. It DOES NOT constitute medical advice. CONTROLLED LABS products are produced in a GMP for Sport certified facility (no hormones produced in the facility/no cross contamination).
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12-26-2005 03:56 AM#3
Gregisthegreate
Slow GainsLocation: London OntarioPosts: 98Rep Power: 10
Thank you.
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12-26-2005 03:59 AM#4
Stevothedevo
Registered UserLocation: AustraliaPosts: 1,351Rep Power: 0
The real truth on NO :
Summary
• Arginine blood flow stimulators ("nitric-oxide" or "NO2" supplements) have been shown to increase vasodilation, but only in unfed people receiving enormous doses through an IV.
• Oral arginine supplementation doesn’t affect blood flow.
• A dose as low as 10 grams has been associated with gastric upset when consumed orally. This dose has no significant effect on glycogen storage, even if it didn’t cause diarrhea.
• Time release arginine is supposed to lead to a "perpetual pump" effect. New studies have shown this not to be the case.
• NO2 was shown to have no effect compared to a placebo on body composition or muscle strength.
• It’s not possible for us to consume high enough levels of arginine to effectively increase nitric oxide levels.
• Copycat NO2 products are no better than the original supplement. In fact, those that contain glycocyamine should be avoided because of potential health concerns.
• If you think these products work for you, then you’d better look into the placebo effect.
• Arginine might temporarily elevate growth hormone levels, but only if you’re able to take unrealistic doses. There’s little evidence to support that this short term increase in GH would do anything for your physique anyway.
• In one study, arginine aspartate was shown to increase prolactin by an average of 75%. Prolactin is associated with decreased Testosterone levels.
• Five grams of arginine consumed during resistance exercise was shown to decrease normal exercise-induced GH output.
• The positive benefits of oral arginine supplementation can only be achieved through doses higher than the human body can handle. And most (but not all) of this effect is mediated by insulin. So if you want to have blood flow increases equivalent to a huge IV arginine infusion, just manipulate insulin through other means (which will be discussed in the next article.)
Stay tuned for Part II, coming tomorrow to T-Nation!
About the Author
David J. Barr is a Doctoral student at the prestigious University of Texas Medical Branch amino acid metabolism lab, which is almost single handedly responsible for our pre and post-workout nutrition information. An accomplished varsity strength coach, he has certifications with the NSCA and USA Track and Field. In addition to his work for NASA at the Johnson Space Center, David’s research has involved everything from the cellular basis of muscle breakdown to work on critically ill catabolic