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  #1  
Old 01-26-2017, 04:20 PM
BodyBag BodyBag is offline
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Default nolvadex vs. arimidex during cycle?

I'm taking 500mg test e & 200 teen e weekly + 20mg nolvadex daily.... have been doing a lot of research on my own but have been recently been told I should be taking ARIMIDEX instead of nolva.... ? from what I've read, nolva is what I should be taking. Am I missing something?
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Old 01-26-2017, 05:49 PM
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I'm taking 500mg test e & 200 teen e weekly + 20mg nolvadex daily.... have been doing a lot of research on my own but have been recently been told I should be taking ARIMIDEX instead of nolva.... ? from what I've read, nolva is what I should be taking. Am I missing something?
Tren may cause prolactin sides which would call for adex or aromasin. Of the two, I prefer adex, but watch out for dosing. You'll read all over the internet of guys taking .5mg or 1mg ED or EOD but in my opinion, that is WAY overkill. It will crush your estro and you'll go limp dick with no libido whatsoever. That's a weekly dose for me if that. Best bet is to run bloods but if you're not planning to, go by feel. If you don't get any sides (not likely at 200mg tren IMHO), you don't need an AI. Less is more in my book, of course this is only my opinion based on personal experience.
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Old 06-13-2017, 06:06 PM
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You need pramipexole or cabergoline for prolactin.

However, if estrogen does not get out of range prolactin shouldn't rise and many people get away with just arimidex or aromasin.

Everyone is different but personally I'd go with arimidex as you're running a decent dose of test plus a 19nor. Nolvadex won't stop any high estrogen sides, it'll just prevent gyno lumps from forming. You're still susceptible to dick problems, acne, etc. I'd do .5mg Adex on Monday and Thursday... assess and taper up or down as needed.
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Old 07-16-2017, 12:48 AM
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You need pramipexole or cabergoline for prolactin.

However, if estrogen does not get out of range prolactin shouldn't rise and many people get away with just arimidex or aromasin.

Everyone is different but personally I'd go with arimidex as you're running a decent dose of test plus a 19nor. Nolvadex won't stop any high estrogen sides, it'll just prevent gyno lumps from forming. You're still susceptible to dick problems, acne, etc. I'd do .5mg Adex on Monday and Thursday... assess and taper up or down as needed.


What would be the sides to look for outside of low libido/limp dick?
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Old 07-16-2017, 05:09 PM
ohnoudidnt ohnoudidnt is online now
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Originally Posted by BodyBag View Post
I'm taking 500mg test e & 200 teen e weekly + 20mg nolvadex daily.... have been doing a lot of research on my own but have been recently been told I should be taking ARIMIDEX instead of nolva.... ? from what I've read, nolva is what I should be taking. Am I missing something?
Why would you take nolvadex daily throughout the whole cycle? Nolvadex hinders gains when running for long periods.
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Old 07-16-2017, 05:09 PM
ohnoudidnt ohnoudidnt is online now
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Originally Posted by BFK View Post
You need pramipexole or cabergoline for prolactin.

However, if estrogen does not get out of range prolactin shouldn't rise and many people get away with just arimidex or aromasin.

Everyone is different but personally I'd go with arimidex as you're running a decent dose of test plus a 19nor. Nolvadex won't stop any high estrogen sides, it'll just prevent gyno lumps from forming. You're still susceptible to dick problems, acne, etc. I'd do .5mg Adex on Monday and Thursday... assess and taper up or down as needed.
Why would you run Arimidex when Aromasin is a suicide inhibitor?
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Old 07-16-2017, 06:06 PM
nhbskull21 nhbskull21 is offline
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Why would you run Arimidex when Aromasin is a suicide inhibitor?
Starting to think alot of research aromasin is really bunk or is just adex. Just my opinion.
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Old 07-16-2017, 08:42 PM
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Starting to think alot of research aromasin is really bunk or is just adex. Just my opinion.
You need a better connection. I get my shit directly from the manufacturer.
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Old 07-17-2017, 01:09 AM
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You need a better connection. I get my shit directly from the manufacturer.


How!? Jealous!


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  #10  
Old 07-17-2017, 01:01 PM
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How!? Jealous!


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  #11  
Old 07-18-2017, 02:16 AM
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Why would you run Arimidex when Aromasin is a suicide inhibitor?
Adex is a selective suicide inhibitor too. My ex had breast cancer and they choose to give her adex and not aromasin. Probably just doctor personal preference but one is not superior to the other. They both crush estrogen quite thoroughly.
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Old 07-18-2017, 11:02 AM
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Adex is a selective suicide inhibitor too. My ex had breast cancer and they choose to give her adex and not aromasin. Probably just doctor personal preference but one is not superior to the other. They both crush estrogen quite thoroughly.
Actually one is more superior:

Cholesterol

Two important points to also bear in mind: Both Arimidex and Aromasin were originally developed to fight cancer cells in woman, and most importantly and often mistaken, both behave differently in men and woman. And having said this, I know that some of you may bring up the “Lancet" study and its results that were reported a few years back. Please keep in mind that this study and results were conducted on, and from, WOMAN.

AROMASIN – Exemestane

Type-I Aromatase Inhibitor

Aromasin (Exemestane) is a Type-I aromatase inhibitor, or suicidal aromatase inhibitor. It’s called this because it lowers estrogen production in the body by attaching to the aromatase enzyme, and permanently deactivating it. It averages 90% rate of estrogen suppression, which equals a reduction in estradiol levels of about 50%, as well as significantly raising testosterone .(up to 60%)

Aromasin not only increases testosterone and lowers estrogen, but it also increases levels of insulin -like growth Factor (IGF). And Aromasin is not too harsh on lipid panel (cholesterol), unlike some of the other AIs’ like Letrozole .(Femara) Aromasin reaches steady blood plasma levels of after a week of administration, and this is also when we see it begin its maximal effect on reducing circulating estrogen levels. It has a terminal half life of 9 hours in MEN, so taking it once per day will build up blood plasma levels to a very effective level.

Also, there have been some additional researches related to Aromasin in men in pharmacokinetics. The results of the research are the following:

24 hours after one 25mg dose, estrogen levels are reduced by 70-80%;

72 hours later estrogen levels are still 40% below the baseline;

120 hours after initial dose, estrogen levels return to baseline.

Additionally, the University of Florida conducted a study in healthy young men:

Pharmacokinetics and Dose Finding of a Potent Aromatase Inhibitor, Aromasin (Exemestane), in Young Males.

Nemours Children’s Clinic and Research Programs (N.M., J.L., A.R.), Jacksonville, Florida 32207; and University of Florida Health Sciences Center (D.P.) and Amersham Pharmacia Biotech (E.d.S., A.K., B.L.), Peapack, New Jersey 07977

To characterize its suppression of estrogen and its pharmacokinetic (PK) properties in males, healthy eugonadal subjects (14–26 yr of age) were recruited. In a cross-over study, 12 were randomly assigned to 25 and 50 mg Aromasin daily, orally, for 10 days with a 14 day washout period. Blood was withdrawn before and 24 hours after the last dose of each treatment period. A PK study was performed using a 25mg dose. Aromasin suppressed plasma estradiol comparably with either dose [25 mg, 38%; 50 mg, 32%], with a reciprocal increase in testosterone concentrations (60% and 56%; for both).

The following observations were made:

Plasma lipids and IGF-I concentrations were unaffected by treatment.
The PK properties of the 25-mg dose showed the highest concentrations 1 h after administration, indicating rapid absorption.
Maximal estradiol suppression of 62 ± 14% was observed at 12 h.
The drug was well tolerated.
The terminal half-life was 8.9 hours in the male subjects.

In conclusion, Aromasin (Exemestane) is a potent aromatase inhibitor in men and an alternative to the choice of available inhibitors. Long-term efficacy and safety will need further study.

References and Supporting Data:

A predictive model for exemestane pharmacokinetics/pharmacodynamics incorporating the effect of food and formulation.Br J Clinical Pharmacology. 2005 Mar, 59(3):355-64.

Eur. J. Cancer. 2000, May;36(8):976-82

The Journal of Clinical Endocrinology & Metabolism Vol. 88, No. 12 5951-5956Copyright © 2003 by The Endocrine Society

Clin Cancer Res. 2003 Jan;9(1 Pt 2):468S-72S

Anticancer Res. 2003 Jul-Aug;23(4):3485

J Clin Endocrinol Metab. 2003 Dec;88(12):5951-6.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

ARIMIDEX - Anastrozole

Type-II Aromatase Inhibitor

Arimidex binds reversibly to the aromatase enzyme through competitive inhibition. This suppresses the conversion of androgens into estrogen. Circulating plasma estrogen can be reduced by nearly 85% in women using Arimidex. A common misconception is that aromatase inhibition is similar in men and women. However in trials when males were administered 1mg of Arimidex daily, circulating estrogen was only reduced by about 50%. Anastrozole is rapidly absorbed orally (time to reach maximum concentration, 1 hour) with a slow apparent clearance of 1.54 liters/h and a terminal half-life of 46.8 h.

But unlike Aromasin, once you stop taking Arimidex, the aromatase enzyme is free to convert androgens (testosterone) into estrogen again. This is referred to as estrogen rebound.

Estrogen has been measured as much as 7 times higher than normal in men on steroids . This is excessive and can potentially cause water retention, gynecomastia or benign prostatic hyperplasia. Therefore, in order to avoid these side effects, estrogen must be controlled. Reduction in breast area and breast volume have been observed in young men treated for 6 months with Arimidex (1 mg daily). These subjects had recent pre-existing gynecomastia (less than one year). However boys with longstanding gynecomastia (more than one year) were unresponsive to 6 months of Arimidex treatment, possibly due to development of dense breast fibrosis. Therefore using Arimidex to treat recent gynecomastia is supported by the data.

From all the data available, 0.25-.50mg of Arimidex every other day is a good starting point on moderate doses of testosterone. If testosterone doses are raised, then an increase may be needed to control estrogen. Since either high and low estrogen can cause side effects, such as low libido, only labs can determine the appropriate dose of Arimidex. Arimidex not only lowers circulating estrogen but it also increases LH and FSH concentrations in addition to increasing testosterone by about 58% in men. In one study elderly men with mild hypogonadism were administered 1mg daily of Arimidex for 12 weeks. This treatment normalized serum testosterone levels in those men without adversely affecting lipids, precursors of cardiovascular risk or insulin resistance. Please see excerpt from ATAC study below.

“Clinical Study - Cholesterol

During the ATAC 5 year trial (Arimidex, Tamoxifen , Alone, or in Combination) more patients receiving ARIMIDEX were reported to have an elevated serum cholesterol compared to patients receiving tamoxifen (9% versus 3.5%, respectively). A post-marketing trial also evaluated any potential effects of ARIMIDEX on lipid profile. In the primary analysis population for lipids (ARIMIDEX alone), there was no clinically significant change in LDL-C from baseline to 12 months and HDL-C from baseline to 12 months.

In secondary population for lipids (ARIMIDEX+risedronate), there also was no clinically significant change in LDL-C and HDL-C from baseline to 12 months. In both populations for lipids, there was no clinical significant difference in total cholesterol (TC) or serum triglycerides (TG) at 12 months compared with baseline.“

The difference in the elevated serums levels during the ATAC trial between patients receiving Arimidex and those receiving Tamoxifen were, (9% versus 3.5%, respectively) Only a 5.5% difference. Again, in this trial, treatment for 12 months with ARIMIDEX alone had a neutral effect on lipid profile. Combination treatment with ARIMIDEX and risedronate also had a neutral effect on lipid profile. Please see link for complete study: ARIMIDEX (ANASTROZOLE) TABLET [ASTRAZENECA PHARMACEUTICALS LP]

*So for average users of AAS who chooses to include Arimidex as their primary aromatase inhibitor, there is no cause for concern. However, monitoring your Cholesterol levels while using AAS, is recommended.

Other Clinical Studies

Effect of aromatase inhibition on lipids and inflammatory markers of cardiovascular disease in elderly men with low testosterone levels.

Dougherty RH, Rohrer JL, Hayden D, Rubin SD, Leder BZ.
Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA.

Anastrozole is an oral aromatase inhibitor that normalizes serum testosterone levels and decreases oestradiol levels modestly in elderly men with mild hypogonadism. Thirty-seven elderly hypogonadal men were randomized to receive either anastrozole 1 mg daily, anastrozole 1 mg twice weekly, or daily placebo for 12 weeks in a double-blind fashion. Men aged 62-74 years with mild hypogonadism defined by testosterone levels less than 350 ng/dl. And although androgen replacement has been shown to have beneficial effects in hypogonadal men, there is concern that androgens may deleteriously affect cardiovascular risk in elderly men.

Treatment with Arimidex did not significantly affect fasting lipids, inflammatory markers adhesion molecules or insulin sensitivity. There was, however, a positive correlation between changes in serum triglycerides and changes in serum oestradiol levels. And while short-term administration of Arimidex is an effective method of normalizing serum testosterone levels in elderly men with mild hypogonadism, it does not appear to adversely affect lipid profiles, inflammatory markers of cardiovascular risk or insulin resistance.

Note: These studies were summarized and showed Arimidex decreased Estradiol by about 50% while raising Testosterone by about 58% in males.

References

Effect of aromatase inhibition on lipids and inflammatory markers of cardiovascular disease in elderly men with low testosterone levels.
Estrogen suppression in males: metabolic effects.
Pharmacokinetics and pharmacodynamics of anastrozole in pubertal boys with recent-onset gynecomastia.
Influence of Neoadjuvant Anastrozole (Arimidex) on Intratumoral Estrogen Levels and Proliferation Markers in Patients with Locally Advanced Breast Cancer.

CONCLUSIONS:

To recap:

Aromasin takes a little longer to raise serum levels and has a shorter half life (10 hours), and is a suicide inhibitor. Recommend dose 12.5mg MIN - every day (ED)

Arimidex raises serum levels quicker yet has a longer half life (47 hours), and is a blocker type inhibitor. Recommended dose .25mg - every other day. (EOD)

After researching both compounds and reading the various studies available, i believe that Aromasin or Arimidex are both solid choices for an aromatase inhibitor used on cycle for the average AAS user. I equally believe that there is enough substantial data and evidence that suggests and supports the DAILY use of Aromasin as an aromastase inhibitor as a standard protocol. I no longer subscribe to the every other day (EOD) protocol when advising Aromasin as the primary AI.

And please remember that this article is NOT about which AI is better, rather it focuses on the fact that Arimidex is less invasive on lipids than previously thought by many of us here and elsewhere.
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Old 10-09-2017, 03:06 PM
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Caber for prolactin, at 200mg/week of tren shoukdnt even need it imo and Tren relies on estrogen to bind, DO NOT TAKE ESTROGEN BLOCKERS WHILE RUNNING TREN!!! the tren will take care of the estrogen, it needs it to do its thing, plenty if real studies out there... RESEARCH!
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Old 10-10-2017, 10:03 PM
nhbskull21 nhbskull21 is offline
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Caber for prolactin, at 200mg/week of tren shoukdnt even need it imo and Tren relies on estrogen to bind, DO NOT TAKE ESTROGEN BLOCKERS WHILE RUNNING TREN!!! the tren will take care of the estrogen, it needs it to do its thing, plenty if real studies out there... RESEARCH!
Definitly need to keep your estrogen low on tren. Progesterone and prolactin increase estrogen aromatization. Gyno city.
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Old 10-11-2017, 04:38 PM
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Definitly need to keep your estrogen low on tren. Progesterone and prolactin increase estrogen aromatization. Gyno city.
Thats 100% False info my man, you need to research, and not on forums, alot of false info in these boards!!, this isnt bro science this is real science, a quick search on google “ Tren Estrogen” should be all you need, yoyr stifing yoyr gains with Tren by using an anti E, one of the things Tren does is increase Igf, studies prove there is zero Igf increase with use of anti e’s, tren also binds to estrogen better then any anti e

I just finished up a long tren 1400mg, trestolone 700mg ,Test E 300mg ,HgH, insulin and igf cycle, zero anti Es and phenomenal results 276lbs under 10% bf

Last edited by DEVLDOG : 10-11-2017 at 04:47 PM.
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Old 10-11-2017, 04:54 PM
nhbskull21 nhbskull21 is offline
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I base it on experience. Ive been using my own fina from carts since 01.
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Old 10-12-2017, 07:55 AM
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I base it on experience. Ive been using my own fina from carts since 01.
Well, I can tell you this, its not the Tren causeing your estrogen issues, need to look at what other compunds and dosages you run with it, Tren should ALWAYS be dosed higher then all else in cycle and testosterone run low to free up receptors for the more potent compound... Tren. Id bet you run yoyr tren and test at same level or test higher, common mistake
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Old 10-12-2017, 12:47 PM
nhbskull21 nhbskull21 is offline
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Ive done alot of test only, tren only, test higher that tren, tren higher than test. Ive posted a few times im done with tren. Dont compete and i just work out to be healthy and bigger and stronger than aver people and average gym goers. Now i just use test, mast, var. but when you mix estrogen progesterone and prolacting your asking for trouble. There is some kind of synergestic effects that make gyno more probably. If i did tren again id do 125mg to 250mg test a week and 50mg eod of my own tren.
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