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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Oxandrolone and Lab work
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<blockquote data-quote="madman" data-source="post: 203765" data-attributes="member: 13851"><p>High T/AAS doses (excess androgens) and c-17 alpha-alkylated orals (due to the first pass) can have a strong effect on SHBG levels.</p><p></p><p>High-dosed injectable testosterone/AAS can drive down SHBG.</p><p></p><p>c-17 alpha-alkylated orals including oxandrolone are notorious for hammering down SHBG.</p><p></p><p>Semisynthetic androgens, including oxandrolone, cross-react in testosterone assays.</p><p></p><p></p><p><strong><em>*Current analytical methods for the detection of AAS, SARMs, and other steroids and compounds of abuse include GC and LC coupled to MS detectors. <u>MS-based methods are powerful and very useful for use in sports doping laboratories because they are specific and sensitive detection methods</u>. They, however, have the major limitation that they cannot identify compounds of unknown structure and rely on prior knowledge of the structure of the steroid.</em></strong></p><p></p><p></p><p>To be on the safe side you should be using the most accurate assays TT (LC/MS-MS) and FT (Equilibrium Dialysis or Ultrafiltration).</p><p></p><p>Even then everyone on trt regardless of whether they are using therapeutic doses of nandrolone, oxandrolone, or stanozolol should be using the most accurate assays!</p><p></p><p></p><p><strong>Total Testosterone (LC/MS- <u>No Upper Limit</u>) and Free Testosterone</strong> <strong>(Equilibrium Dialysis)</strong></p><p>[URL unfurl="true"]https://www.discountedlabs.com/hematocrit-total-and-free-testosterone-1500-ng-dl[/URL]</p><p></p><p><strong>Total Testosterone (LC/MS- <u>No Upper Limit</u>) and Free Testosterone</strong> <strong>(Equilibrium Ultrafiltration)</strong></p><p>[URL unfurl="true"]https://www.discountedlabs.com/testosterone-free-dialysis-and-total-ls-ms-ms[/URL]</p><p></p><p></p><p><strong>Total Testosterone (LC/MS- <u>No Upper Limit</u>) and Free Testosterone</strong> <strong>(Equilibrium Dialysis)</strong></p><p>[URL unfurl="true"]https://www.labcorp.com/tests/500726/testosterone-free-mass-spectrometry-equilibrium-dialysis-endocrine-sciences[/URL]</p><p></p><p><strong>Total Testosterone (LC/MS- <u>No Upper Limit</u>) and Free Testosterone</strong> <strong>(Equilibrium Ultrafiltration)</strong></p><p>[URL unfurl="true"]https://www.labcorp.com/tests/070038/testosterone-free-equilibrium-ultrafiltration-with-total-testosterone-lc-ms-ms[/URL]</p></blockquote><p></p>
[QUOTE="madman, post: 203765, member: 13851"] High T/AAS doses (excess androgens) and c-17 alpha-alkylated orals (due to the first pass) can have a strong effect on SHBG levels. High-dosed injectable testosterone/AAS can drive down SHBG. c-17 alpha-alkylated orals including oxandrolone are notorious for hammering down SHBG. Semisynthetic androgens, including oxandrolone, cross-react in testosterone assays. [B][I]*Current analytical methods for the detection of AAS, SARMs, and other steroids and compounds of abuse include GC and LC coupled to MS detectors. [U]MS-based methods are powerful and very useful for use in sports doping laboratories because they are specific and sensitive detection methods[/U]. They, however, have the major limitation that they cannot identify compounds of unknown structure and rely on prior knowledge of the structure of the steroid.[/I][/B] To be on the safe side you should be using the most accurate assays TT (LC/MS-MS) and FT (Equilibrium Dialysis or Ultrafiltration). Even then everyone on trt regardless of whether they are using therapeutic doses of nandrolone, oxandrolone, or stanozolol should be using the most accurate assays! [B]Total Testosterone (LC/MS- [U]No Upper Limit[/U]) and Free Testosterone[/B] [B](Equilibrium Dialysis)[/B] [URL unfurl="true"]https://www.discountedlabs.com/hematocrit-total-and-free-testosterone-1500-ng-dl[/URL] [B]Total Testosterone (LC/MS- [U]No Upper Limit[/U]) and Free Testosterone[/B] [B](Equilibrium Ultrafiltration)[/B] [URL unfurl="true"]https://www.discountedlabs.com/testosterone-free-dialysis-and-total-ls-ms-ms[/URL] [B]Total Testosterone (LC/MS- [U]No Upper Limit[/U]) and Free Testosterone[/B] [B](Equilibrium Dialysis)[/B] [URL unfurl="true"]https://www.labcorp.com/tests/500726/testosterone-free-mass-spectrometry-equilibrium-dialysis-endocrine-sciences[/URL] [B]Total Testosterone (LC/MS- [U]No Upper Limit[/U]) and Free Testosterone[/B] [B](Equilibrium Ultrafiltration)[/B] [URL unfurl="true"]https://www.labcorp.com/tests/070038/testosterone-free-equilibrium-ultrafiltration-with-total-testosterone-lc-ms-ms[/URL] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Oxandrolone and Lab work
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