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6-OXO - The First Effective All-Natural Aromatase Inhibitor

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    6-OXO - The First Effective All-Natural Aromatase Inhibitor

    6-OXO - The First Effective All-Natural Aromatase Inhibitor
    by Patrick Arnold

    Pat is responsible for launching several major product and innovation in the prohormone industry through LPJ Research and Ergopharm, including the first to release androstenedione, 1-AD, 6-OXO, 4-androstenediol, and 19-norandrostenediol. In addition, he is responsible for bringing innovative delivery systems to the prohormone market including HPB cyclodextrin, bioadhesive technology for sustained release, and sustained release sprays.
    CEM-Meso.com

    For athletes familiar with prohormones and steroids, the female hormone estrogen is undoubtedly a familiar enemy. While most of us understand that estrogen is not necessarily always a harmful and worthless substance to men (in the right amounts it is necessary and beneficial), we still are aware that it must be kept under control or some pretty undesirable conditions may arise in the body.


    The Evils of Estrogen

    In males, higher than normal estrogen levels (or estrogen levels that are out of balance with androgen levels) can lead to several physiological disturbances. The most well known estrogen induced malady is, of course, gynecomastia (aka gyno or bitch tits). Gyno, simply put, is the growth of breast tissue in men. Usually gyno is a benign growth that is little more than a cosmetic nuisance, however it occasionally (rarely) can become malignant and lead to male breast cancer. Either way, it is something than definitely is anathema to any guy that takes pride in his physical appearance and musculature. Rock hard pecs topped off with puffy cone shaped girlie lumps are simply not for showing off - at least not in my neighborhood.

    High estrogen can also promote excessive water and sodium retention, resulting in a bloated, puffy, and smooth appearance. Steroids that aromatize heavily (such as testosterone and Anadrol®) are renowned for putting on lots of bodyweight. However, that body weight usually is in large part estrogen induced water retention, and certainly not all muscle.

    If all this is not enough then there is the potent inhibitory effect of estrogen on the hypothalamus, resulting in a shutdown of testicular testosterone production. Science has demonstrated that perhaps the most important regulator of testosterone production in males is estrogen - produced by the conversion of testosterone (and other androgens) to estrogen in the body and the brain. Estrogen sends a signal to the hypothalamus to shut down production of a substance known as GnRH. GnRH is a hormone that stimulates the pituitary to produce luteinizing hormone (LH) which is the signal that tells the testicles to produce testosterone. Therefore, men with elevated estrogen levels will have suppressed testosterone levels and perhaps even atrophied testes. Not a pretty picture, eh?


    Controlling estrogen in males

    Bodybuilders who use steroids caught on years ago to drugs that control estrogen in the body. The first drugs to be utilized were estrogen receptor antagonists such as tamoxifen and clomiphene. These drugs worked by binding to the estrogen receptor like estrogens do, but unlike estrogens they are unable to translocate to the nucleus and activate estrogen responsive genes. While these drugs are somewhat effective in countering gynecomastia and testicular shut down, they still retain some estrogenic activity in certain tissues such as the liver. The result of this residual estrogenic activity can be a reduction in IGF-1 production and an increase in sex hormone binding globulin (SHBG) production. These are both undesirable side effects.

    Later on, bodybuilders discovered aromatase inhibitors. These drugs work by blocking the production of estrogens in the body through binding to the enzyme aromatase. Aromatase catalyzes the transformation of aromatizable androgens (i.e. androstenedione, testosterone) into estrogens such as estrone and estradiol. By actually blocking the production of estrogens altogether, aromatase inhibitors do not share the undesirable estrogen agonist activity of estrogen receptor blockers. Instead they function as true anti-estrogens, and because of this have arisen as the most preferred compounds for combating estrogen.


    6-OXO™, the first effective all natural aromatase inhibitor

    Before I go into detail about 6-OXO™, I would like to give a very brief review and commentary on the current variety of estrogen blocking supplements.

    The first estrogen blocking supplement to be introduced, and perhaps the most popular one to date is the isoflavone chrysin. Yes, chrysin has some good in-vitro ("test tube") research on it that demonstrates it blocks aromatase. However, for years many experts including myself have contended that it suffers from very poor bioavailability, and therefore is ineffective in-vivo. Recently, an article has been published in a very reputable journal that substantiates this suspicion. So chrysin, as promising as it once seemed, unfortunately appears to be a total bust.

    After chrysin there was Indole-3-carbinol and Di-indoylmethane. These related compounsds work by shifting the metabolism of estrogens away from strong estrogen compounds (16-hydroxylated) and towards weaker estrogens (2-hydroxylated). This can have benefits for women prone to breast cancer as 16-hydroxylated estrogens are quite notorious for promoting estrogen dependent breast cancer. However, there has never been any benefit demonstrated in men for reducing estrogen related effects or for increasing androgen levels. In fact, these compounds may actually REDUCE androgen levels. So for males looking to reduce estrogen and raise testosterone, I-3-C and DIM are poor choices.

    In addition to these aforementioned compounds there have been a slew of other compounds sold for estrogen control purposes. These include bioflavonoids such as quercitin, herbs such as Vitex Agnus Castus, and phytochemicals such as resveratrol (3,5,4'-trihydroxystilbene). None of these has ever been substantiated by any research to reduce estrogen levels or to increase testosterone levels.


    6-OXO™

    After years of research into natural estrogen blockers I finally discovered a compound that really truly works, in males, to both reduce estrogen and increase testosterone. Its called 6-OXO™.

    6-OXO™ is what is known as a suicide inhibitor of aromatase. This means that 6-OXO™ binds to the aromatase enzyme in a permanent and irreversible manner, rendering it inactive. The result of this is an eventual diminishment of aromatase enzyme in the body and a concomitant reduction in estrogen levels. A corresponding increase in testosterone production is usually experienced as well.

    It is important to note here that this deactivation of aromatase enzymes by 6-OXO™ does not mean that your body becomes permanently deficient in the ability to synthesize estrogen. Your body will react to the deficiency of enzyme by producing more enzyme to replace that which has been deactivated. Therefore, when you stop taking 6-OXO™ your aromatase enzyme level will quickly catch up to normal and full estrogen production will resume.


    When and how you should use 6-OXO™

    There are two main situations where 6-OXO™ can come in useful. The first situation is in combating estrogen elevation while taking aromatizable prohormones or steroids. Aromatizable prohormones/ steroids include testosterone, testosterone precursors (4-androstenedione, 4-androstenediol), nortestosterone, nortestosterone precursors (19-nor-4-androstenedione, 19-nor-4-androstenediol), and synthetic anabolic steroids such as oxymetholone (Anadrol®) and methandrostenolone (Dianabol).

    The second situation where 6-OXO™ stands very useful is in restoring full endogenous testosterone production after a cycle of prohormones or steroids. Prohormones and steroids act as replacements for natural testosterone, and as a consequence, prolonged usage of these substances results in the body resetting the level of its own natural testosterone production. Your body does this by adjusting the activity of the hypothalamic pituitary testicular axis, or HPTA. The HPTA acts like a thermostat that constantly adjusts the body's production of testosterone to maintain a certain level in the blood. The hypothalamus is the primary sensor in this system, and it responds to both androgens (i.e. testosterone, DHT) and estrogens (derived from aromatization of androgens). The hypothalamus is so sensitive to estrogens in fact that administration of an estrogen blocker can often result in a very substantial surge in testosterone production. This is why steroid using bodybuilders take products such as Clomiphene (an estrogen receptor antagonist) and Anastrazole (an aromatase inhibitor) after cycles to jump-start their suppressed testicular testosterone production. Now, with the introduction of 6-OXO™, there is a natural - over the counter alternative available to these prescription only drugs.

    Okay, am I saying that one has to be a prohormone or steroid user to find 6-OXO™ useful? Certainly not! Even if you never touch prohormones/steroids you can obtain a very substantial and beneficial increase in natural testosterone production by taking nothing but 6-OXO™. For those that are wary of hormonal supplements and their effects on the bodies endocrine balance, yet still want to obtain the benefits of increased testosterone levels, 6-OXO™ offers a very safe and effective alternative.

    So how does one use 6-OXO™? If you are using it to combat estrogen during a cycle of aromatizable steroids then you can take it every day of your cycle, once a day (preferably with your evening meal) at a dosage of 200-600 mg. If you are using it to jump-start your testosterone production after a cycle of prohormones (or just to increase your own natural production in a clean state) then you would also take 200-600mg of 6-OXO™ once a day, for a period of 3-6 weeks.


    References:

    1 Saarinen N et.al., .No evidence for the in vivo activity of aromatase-inhibiting flavonoids.. J Steroid Biochem Mol Biol. 2001 Sep;78(3):231-9.

    2 Wilson, V.S., et al., .Alteration in sexually dimorphic testosterone biotransformation profiles as a biomarker of chemically induced androgen disruption in mice.” Environ Health Perspect, 1999. 107(5):377-384.

    3 Covey DF, Hood WF, “Enzyme-generated intermediates derived from 4-androstene-3,6, 17-trione and 1,4,6-androstatriene-3,17-dione cause a time-dependent decrease in human placental aromatase activity” Endocrinology. 1981 Apr;108(4):1597-9.

    4 Numazawa M, Mutsumi A, Tachibana M, “Mechanism for aromatase inactivation by a suicide substrate, androst-4-ene-3,6,17-trione. The 4 beta, 5 beta-epoxy-19-oxo derivative as a reactive electrophile irreversibly binding to the active site” Biochem Pharmacol. 1996 Oct 25;52(8): 1253-9.

    5 Numazawa M, Midzuhashi K, Nagaoka M, “Metabolic aspects of the 1 beta-proton and the 19-methyl group of androst-4-ene-3,6,17-trione during aromatization by placental microsomes and inactivation of aromatase” Biochem Pharmacol. 1994 Feb 11;47(4):717-26.

    6 Numazawa M, Tsuji M, Mutsumi A, “Studies on aromatase inhibition with 4-androstene-3,6, 17-trione: its 3 beta-reduction and time-dependent irreversible binding to aromatase with human placental microsomes”.J Steroid Biochem. 1987 Sep;28(3):337-44.

    7 Marsh DA, Brodie HJ, Garrett W, Tsai-Morris CH, Brodie AM, “Aromatase inhibitors. Synthesis and biological activity of androstenedione derivatives” J Med Chem. 1985 Jun;28(6): 788-95.

    8 Booth JE “Effects of the aromatization inhibitor androst-4-ene-3,6,17-trione on sexual differentiation induced by testosterone in the neonatally castrated rat” J Endocrinol. 1978 Oct;79 (1):69-76.

    9 Levy H et.al, “The inhibition by metopirone of 11beta and 19-hydroxylations of androst-4-ene-3,17-dione in bovine adrenal perfusion” Steroids. 1965; 5:479-493.

    10 Tan L et al., “De novo biosynthesis of 6 beta-hydroperoxyandrostenedione in human placental microsomes.” Biochem Biophys Res Commun. 1984 Feb 14;118(3):805-13.

    Read more from this MESO-Rx article at: 6-OXO - The First Effective All-Natural Aromatase Inhibitor by Patrick Arnold


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    The NEW E-Control Rx with 6-OXO coming soon! E-Control Rx™ - Anti-Estrogen


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    patrick was cool with this? wow.

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    Quote Originally Posted by mich29 View Post
    patrick was cool with this? wow.
    Patrick Arnold loses patent for 6-OXO – Three years ago!
    by Anthony Roberts

    Nov 17, 2009

    In January 2006 Patrick Arnold was denied his patent application for 6-OXO and in June 2006 he lost the right to appeal the rejection as he subsequently abandoned the attempt to file an objection before the appropriate date. I find this extremely interesting, since he had been selling 6-OXO to at least two other companies (Gaspari Nutrition and Species Nutrition), with the understanding that 6-OXO was still patent pending. If the severity of this situation alludes you, I’ll simplify it:

    • Patrick Arnold was misrepresenting his legal right to be the exclusive distributor of 6-OXO to these companies. He misrepresented himself as having a “patent pending” and therefore was able to not only charge these companies for the manufacturing of the compound itself, but could also charge them a licensing fee for the “right” to use his un-patented (and un-patentable) product.


    • Species Nutrition whom I contacted tonight has informed me that Patrick handled manufacturing of 6-OXO for them, but did not charge a seperate licensing fee. I am still awaiting a call back from Gaspari Nutrition. It is my understanding at this point, from a conversation I had over the summer with their COO (*Chief Operating Officer), that Gaspari Nutrition was charged a licensing fee for this (non-patented unlicensable) ingredient, but I’m still awaiting confirmation on that (gimme a break, it was a pretty long time ago).


    • I am also of the understanding that he never revealed to representatives of either company that his product patent had been rejected, and therefore, basically the whole time he had been licensing it to them, he was doing so under the guise of being the only person with the legal right to license it.


    • Essentially, this is the same thing as if I claimed to have written a song, and then charged people for it, and it turned out that I hadn’t written it at all. In short, it’s not only deceptive, but fraudulent, and highly illegal.


    • Below you will find the document showing that Patrick was denied a patent, and furthermore that he abandoned his application as well (the dates of the letters are not on the pages I’ve scanned, but are on separate cover letters that I was too lazy to scan):
      http://www.anthonyroberts.info/wp-co...11/PAFinal.jpg


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    is 6oxo still allowed to be produced?

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    Quote Originally Posted by btex34n88 View Post
    is 6oxo still allowed to be produced?
    No, its illegal and I am risking my freedom and entire life bringing it to market.

    6-OXO was never banned, Ergopharm just pulled it off the market.


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    Quote Originally Posted by Prince View Post
    No, its illegal and I am risking my freedom and entire life bringing it to market.

    6-OXO was never banned, Ergopharm just pulled it off the market.
    That is so cool you are bringing this back!!!!!!!!!! Sell bulk please as well, even if it is a one time thing. I would totally but 100 grams of it . Taking it as a transdermal now, works very well.
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    Excellent!

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    great info here prince.I took a little time off during these time periods so I missed this happening.

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    Quote Originally Posted by Prince View Post
    No, its illegal and I am risking my freedom and entire life bringing it to market.

    6-OXO was never banned, Ergopharm just pulled it off the market.
    You had me going lol man I'm cracking up right now... you humor is drier than the desert sun

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    New e-control.. I want and lots of it for my stash

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    Sounds great Prince. You definetly picked a great compound to replace the ATD. 6-oxo had some great reviews when ergopharm had it. I actually used it back then and loved it.



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    Pretty sweet study on 6-oxo:

    The purpose of this study was to determine the effects of 6-OXO, a purported nutritional aromatase inhibitor, in a dose dependent manner on body composition, serum hormone levels, and clinical safety markers in resistance trained males. Sixteen males were supplemented with either 300 mg or 600 mg of 6-OXO in a double-blind manner for eight weeks. Blood and urine samples were obtained at weeks 0, 1, 3, 8, and 11 (after a 3-week washout period). Blood samples were analyzed for total testosterone (TT), free testosterone (FT), dihydrotestosterone (DHT), estradiol, estriol, estrone, SHBG, leutinizing hormone (LH), follicle stimulating hormone (FSH), growth hormone (GH), cortisol, FT/estradiol (T/E). Blood and urine were also analyzed for clinical chemistry markers. Data were analyzed with two-way MANOVA. For all of the serum hormones, there were no significant differences between groups (p > 0.05). Compared to baseline, free testosterone underwent overall increases of 90% for 300 mg 6-OXO and 84% for 600 mg, respectively (p < 0.05). DHT underwent significant overall increases (p < 0.05) of 192% and 265% with 300 mg and 600 mg, respectively. T/E increased 53% and 67% for 300 mg and 600 mg 6-OXO, respectively. For estrone, 300 mg produced an overall increase of 22%, whereas 600 mg caused a 52% increase (p < 0.05). Body composition did not change with supplementation (p > 0.05) and clinical safety markers were not adversely affected with ingestion of either supplement dose (p > 0.05). While neither of the 6-OXO dosages appears to have any negative effects on clinical chemistry markers, supplementation at a daily dosage of 300 mg and 600 mg for eight weeks did not completely inhibit aromatase activity, yet significantly increased FT, DHT, and T/E.

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    6 oxo remains one of my favs

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    how does 6 oxo stack against 6-bromo?

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    Quote Originally Posted by kyoryoko View Post
    how does 6 oxo stack against 6-bromo?
    6-Bromo can actually shut down natural test production, we were looking at both 6-Bromo and Formestane as replacement compounds for E-Control Rx and went with 6-OXO, its just superior in so many ways with actual science backing it.


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    Quote Originally Posted by Prince View Post
    6-Bromo can actually shut down natural test production, we were looking at both 6-Bromo and Formestane as replacement compounds for E-Control Rx and went with 6-OXO, its just superior in so many ways with actual science backing it.
    You should make a transdermal formestane anyways as they are so hard to come by these days. I would stock up on both for sure .
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    Quote Originally Posted by oufinny View Post
    You should make a transdermal formestane anyways as they are so hard to come by these days. I would stock up on both for sure .
    Bah, formestane is crap imo. 6-oxo (on paper, haven't used) should beat it out, hands down.

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    ummm YES!




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    6-OXO is a very balanced AI. Good stuff!



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    All posts are for entertainment and may contain fiction. Consult a medical doctor before using any medications or supplements. Heavyiron does not advocate readers engage in any illegal activity.



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    6-OXO is a great compound and it will be part of my daily supplement stack, bye bye ATD.


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    Quote Originally Posted by Prince View Post
    6-OXO is a great compound and it will be part of my daily supplement stack, bye bye ATD.
    I am loving the transdermal I made with the PP carrier, great strength gains and leaning out as well, what more can you ask for.
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    Quote Originally Posted by oufinny View Post
    I am loving the transdermal I made with the PP carrier, great strength gains and leaning out as well, what more can you ask for.
    What was the dosing for what you mixed up?

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    Ordered! Waiting anxiously.

    Edit- have never tried anything beyond creatine/protein supps.

    Will post results.

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