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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Oxandrolone as part of TRT for joint pain
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<blockquote data-quote="madman" data-source="post: 167455" data-attributes="member: 13851"><p>Regarding oxandrolone (anavar), seeing as it is a non-aromatizable DHT derivative, it has been stated that it may impart an anti-estrogenic effect by competing with other (aromatizable) substrates for binding to the aromatase enzyme.</p><p></p><p>I would say out of all the dht derived AAS that mesterolone (Proviron) would be the most beneficial as not only does it behave like an anti-aromatase in the body but most importantly it's extremely high binding affinity for SHBG and the positive impact it can have on ones FT levels.</p><p></p><p></p><p>Regarding dht derived steroids:</p><p></p><p><strong>Proviron</strong> <em>is Schering’s (now Bayer’s) brand name for the <strong><span style="color: rgb(184, 49, 47)">oral androgen mesterolone (1-methyl dihydrotestosterone). Similar to dihydrotestosterone, </span></strong>mesterolone is a strong androgen with only a weak level of anabolic activity. This is due to the fact that like dihydrotestosterone, mesterolone is rapidly reduced to inactive diol metabolites in muscle tissue where concentrations of the 3-hydroxysteroid dehydrogenase enzyme are high. The belief that the weak anabolic nature of this compound indicates a tendency to block the androgen receptor in muscle tissue, thereby reducing the gains of other more potent muscle-building steroids, should likewise not be taken seriously. <strong><span style="color: rgb(184, 49, 47)">In fact, due to its extremely high affinity for plasma binding proteins such as SHBG, mesterolone may actually work to potentate the activity of other steroids by displacing a higher percentage into a free, unbound state.</span></strong> Among athletes, mesterolone is primarily used to increase androgen levels when dieting or preparing for a contest, and as an anti-estrogen due to its intrinsic ability to antagonize the aromatase enzyme.</em></p><p></p><p><strong><span style="color: rgb(184, 49, 47)"><em>Mesterolone is actually believed to act as an anti-aromatase in the body, preventing or slowing the conversion of steroids into estrogen. The result is somewhat comparable to Arimidex®, although less profound. </em></span></strong><em><span style="color: rgb(44, 130, 201)"><strong>The anti-estrogenic properties of mesterolone are not unique, and a number of other steroids have demonstrated similar activity. Dihydrotestosterone and Masteron (2-methyl-dihydrotestosterone), for example, have been successfully used as therapies for gynecomastia and breast cancer due to their strong androgenic and </strong></span><span style="color: rgb(184, 49, 47)"><strong>potentially anti-estrogenic effect. </strong></span><span style="color: rgb(26, 188, 156)"><strong>It has also been suggested that nandrolone may even lower aromatase activity in peripheral tissues where it is more resistant to estrogen conversion (the most active site of nandrolone aromatization seems to be the liver).</strong></span> <span style="color: rgb(147, 101, 184)"><strong>The anti-estrogenic effect of all of these compounds is presumably caused by their ability to compete with other substrates for binding to the aromatase enzyme. With the aromatase enzyme bound to the steroid, yet being unable to alter it, an inhibiting effect is achieved as it is temporarily blocked from interacting with other hormones. </strong></span></em></p><p><em></em></p><p></p><p></p><p></p><p>Take home point being:</p><p></p><p><strong><em>*</em></strong><span style="color: rgb(184, 49, 47)"><strong><em>The anti-estrogenic effect of all of these compounds is presumably caused by their ability to compete with other substrates for binding to the aromatase enzyme. With the aromatase enzyme bound to the steroid, yet being unable to alter it, an inhibiting effect is achieved as it is temporarily blocked from interacting with other hormones.</em></strong></span></p></blockquote><p></p>
[QUOTE="madman, post: 167455, member: 13851"] Regarding oxandrolone (anavar), seeing as it is a non-aromatizable DHT derivative, it has been stated that it may impart an anti-estrogenic effect by competing with other (aromatizable) substrates for binding to the aromatase enzyme. I would say out of all the dht derived AAS that mesterolone (Proviron) would be the most beneficial as not only does it behave like an anti-aromatase in the body but most importantly it's extremely high binding affinity for SHBG and the positive impact it can have on ones FT levels. Regarding dht derived steroids: [B]Proviron[/B] [I]is Schering’s (now Bayer’s) brand name for the [B][COLOR=rgb(184, 49, 47)]oral androgen mesterolone (1-methyl dihydrotestosterone). Similar to dihydrotestosterone, [/COLOR][/B]mesterolone is a strong androgen with only a weak level of anabolic activity. This is due to the fact that like dihydrotestosterone, mesterolone is rapidly reduced to inactive diol metabolites in muscle tissue where concentrations of the 3-hydroxysteroid dehydrogenase enzyme are high. The belief that the weak anabolic nature of this compound indicates a tendency to block the androgen receptor in muscle tissue, thereby reducing the gains of other more potent muscle-building steroids, should likewise not be taken seriously. [B][COLOR=rgb(184, 49, 47)]In fact, due to its extremely high affinity for plasma binding proteins such as SHBG, mesterolone may actually work to potentate the activity of other steroids by displacing a higher percentage into a free, unbound state.[/COLOR][/B] Among athletes, mesterolone is primarily used to increase androgen levels when dieting or preparing for a contest, and as an anti-estrogen due to its intrinsic ability to antagonize the aromatase enzyme.[/I] [B][COLOR=rgb(184, 49, 47)][I]Mesterolone is actually believed to act as an anti-aromatase in the body, preventing or slowing the conversion of steroids into estrogen. The result is somewhat comparable to Arimidex®, although less profound. [/I][/COLOR][/B][I][COLOR=rgb(44, 130, 201)][B]The anti-estrogenic properties of mesterolone are not unique, and a number of other steroids have demonstrated similar activity. Dihydrotestosterone and Masteron (2-methyl-dihydrotestosterone), for example, have been successfully used as therapies for gynecomastia and breast cancer due to their strong androgenic and [/B][/COLOR][COLOR=rgb(184, 49, 47)][B]potentially anti-estrogenic effect. [/B][/COLOR][COLOR=rgb(26, 188, 156)][B]It has also been suggested that nandrolone may even lower aromatase activity in peripheral tissues where it is more resistant to estrogen conversion (the most active site of nandrolone aromatization seems to be the liver).[/B][/COLOR] [COLOR=rgb(147, 101, 184)][B]The anti-estrogenic effect of all of these compounds is presumably caused by their ability to compete with other substrates for binding to the aromatase enzyme. With the aromatase enzyme bound to the steroid, yet being unable to alter it, an inhibiting effect is achieved as it is temporarily blocked from interacting with other hormones. [/B][/COLOR] [/I] Take home point being: [B][I]*[/I][/B][COLOR=rgb(184, 49, 47)][B][I]The anti-estrogenic effect of all of these compounds is presumably caused by their ability to compete with other substrates for binding to the aromatase enzyme. With the aromatase enzyme bound to the steroid, yet being unable to alter it, an inhibiting effect is achieved as it is temporarily blocked from interacting with other hormones.[/I][/B][/COLOR] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Oxandrolone as part of TRT for joint pain
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