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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone and Men's Health Articles
Nandrolone: Use, Abuse and Side Effects
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<blockquote data-quote="tareload" data-source="post: 230269"><p>For those that follow / have interest in this sort of thing:</p><p></p><p>Long story short, she needed a better Pro advising her defense strategy. Stay in school.</p><p></p><p></p><p>[URL unfurl="true"]https://www.runnersworld.com/news/a40594123/shelby-houlihan-doping-tests/[/URL]</p><p></p><p><em>Houlihan had tested positive for a metabolite of the hormone nandrolone, a banned muscle-strengthening steroid frequently found by doping authorities, but a substance Houlihan says she had never heard of. Metabolites are made or used when the body breaks down food, drugs, and other chemicals. Anti-doping drug tests scan for the known metabolites of certain illegal substances such as nandrolone, a hormone similar in chemical structure and performance-enhancing benefits to testosterone. (The metabolite in Houlihan’s sample was <strong>19-norandrosterone, or 19-NA</strong>.) The World Anti-Doping Agency, or WADA—which maintains what it calls its Prohibited List and passes down the procedural rules of testing—has banned nandrolone as an anabolic androgenic steroid for more than 40 years. (Of the 278,047 samples collected in 2019—the most recent data available not affected by the pandemic—2,701 samples, or 2 percent, were reported as Adverse Analytical Findings with 10 positive findings of nandrolone.)</em></p><p><em>...</em></p><p><em>The carbon isotope ratio McGlone refers to is a well-established tool for assessing origins of substances. It’s basically a chemical signature. Pigs raised for consumption in America eat a largely corn-based diet, which typically leaves a ratio of around -18.5 to -21% ng/mL. Houlihan’s carbon isotopic signatures of 19-NA were -23%, which McGlone says indicates that it couldn’t have originated from U.S. commercial pork</em></p><p><em></em></p><p><em>This case hinges on whether boar meat with an abnormal isotope ratio entered a distribution system that does not typically carry it. Houlihan’s team argues that both of these scenarios could have been caused by disruptions to the American meat supply system caused by the pandemic.</em></p><p><em></em></p><p><em>Professor Christiane Ayotte, director of the WADA-accredited doping control lab at the Institut National de la Recherche Scientifique in Laval, Quebec, where Houlihan’s urine was analyzed, testified that in studies—including her own research—on NA-19 urinary concentration levels after consumption of uncastrated boar, the highest recorded reading was<strong> 2.4 ng/mL</strong>. <strong>This came from one person who consumed about 10 ounces of the meat from older boars selected for the purpose of excreting higher NA-19 levels. </strong>After adjusting for specific gravity, <strong>Houlihan’s A sample was 6.9 ng/mL and her B sample was 7.8 ng/mL. Ayotte added that the NA-19 content of Houlihan’s sample was more than double that of the most favorable (to her case) findings on boar meat, despite the athlete’s claim that she’d consumed half the amount of meat.</strong></em></p><p><em></em></p><p>That's a lot of meat.</p></blockquote><p></p>
[QUOTE="tareload, post: 230269"] For those that follow / have interest in this sort of thing: Long story short, she needed a better Pro advising her defense strategy. Stay in school. [URL unfurl="true"]https://www.runnersworld.com/news/a40594123/shelby-houlihan-doping-tests/[/URL] [I]Houlihan had tested positive for a metabolite of the hormone nandrolone, a banned muscle-strengthening steroid frequently found by doping authorities, but a substance Houlihan says she had never heard of. Metabolites are made or used when the body breaks down food, drugs, and other chemicals. Anti-doping drug tests scan for the known metabolites of certain illegal substances such as nandrolone, a hormone similar in chemical structure and performance-enhancing benefits to testosterone. (The metabolite in Houlihan’s sample was [B]19-norandrosterone, or 19-NA[/B].) The World Anti-Doping Agency, or WADA—which maintains what it calls its Prohibited List and passes down the procedural rules of testing—has banned nandrolone as an anabolic androgenic steroid for more than 40 years. (Of the 278,047 samples collected in 2019—the most recent data available not affected by the pandemic—2,701 samples, or 2 percent, were reported as Adverse Analytical Findings with 10 positive findings of nandrolone.) ... The carbon isotope ratio McGlone refers to is a well-established tool for assessing origins of substances. It’s basically a chemical signature. Pigs raised for consumption in America eat a largely corn-based diet, which typically leaves a ratio of around -18.5 to -21% ng/mL. Houlihan’s carbon isotopic signatures of 19-NA were -23%, which McGlone says indicates that it couldn’t have originated from U.S. commercial pork This case hinges on whether boar meat with an abnormal isotope ratio entered a distribution system that does not typically carry it. Houlihan’s team argues that both of these scenarios could have been caused by disruptions to the American meat supply system caused by the pandemic. Professor Christiane Ayotte, director of the WADA-accredited doping control lab at the Institut National de la Recherche Scientifique in Laval, Quebec, where Houlihan’s urine was analyzed, testified that in studies—including her own research—on NA-19 urinary concentration levels after consumption of uncastrated boar, the highest recorded reading was[B] 2.4 ng/mL[/B]. [B]This came from one person who consumed about 10 ounces of the meat from older boars selected for the purpose of excreting higher NA-19 levels. [/B]After adjusting for specific gravity, [B]Houlihan’s A sample was 6.9 ng/mL and her B sample was 7.8 ng/mL. Ayotte added that the NA-19 content of Houlihan’s sample was more than double that of the most favorable (to her case) findings on boar meat, despite the athlete’s claim that she’d consumed half the amount of meat.[/B] [/I] That's a lot of meat. [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone and Men's Health Articles
Nandrolone: Use, Abuse and Side Effects
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