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Welcome To Another Edition of the LG Sciences Sports Nutrition Newsletter. Below are is a new article that we've found informative and highly interesting in regards to all things sports nutrition. Please enjoy and feel free to input any comments you may have to
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Research Shows Nitric Oxide and Nitrates May Reduce Testosterone
Shocking new research has lead to the belief that Nitric Oxide and specifically nitrates can reduce testosterone and cripple your testicles! The body uses a lot of signaling molecules to reduce or increase testosterone based on the need. Signaling molecules like D-Aspartate and Lactate increase the body's production of testosterone and unfortunately nitrates and Nitric Oxide appears to reverse the production of testosterone and could even reduce sperm count (1,2,3,4)
Bulls were given organic nitrates which are being used to boost nitric oxide and they found that cortisol went up, testicular production of hormones went down and also thyroid hormone went down. Talk about an ugly combination.
If you want more testosterone you might want to skip NO products and use a preworkout like Anadraulic State from LG Sciences that doesn't contain any nitrates or arginine to boost NO. Anadraulic State doesn't contain any Nitric Oxide boosting agents, just creatine and other cofactors meant for increasing muscle performance.
Nitric Oxide products have failed to show that they build muscle, but Arginine may be a good thing for you. The move to nitrates however may not be so stay tuned for more research on the subject.
1. Panesar NS, Chan KW. Decreased steroid hormone synthesis from inorganic nitrite and nitrate: studies in vitro and in vivo. Toxicol Appl Pharmacol. 2000 Dec 15;169(3):222-30.
2. Hansen PR, Taxvig C, Christiansen S, Axelstad M, Boberg J, Kiersgaard MK, Nellemann C, Hass U. Hansen PR, Taxvig C, Christiansen S, Axelstad M, Boberg J, Kiersgaard MK, Nellemann C, Hass U. Toxicol Sci. 2009 Apr;108(2):437-44. Epub 2009 Feb 3.
3. Del Punta K, Charreau EH, Pignataro OP. Nitric oxide inhibits Leydig cell steroidogenesis. Endocrinology. 1996 Dec;137(12):5337-43.
4. Del Punta K, Sanchez-Ruiz ME, Pignataro OP. Regulation of testicular steroidogenesis by nitric oxide Medicina (B Aires). 1997;57(3):337-40.
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