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  Do Clomid & Nolvadex Compete For Receptors?

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Author Topic:   Do Clomid & Nolvadex Compete For Receptors?
Jafar

Amateur Bodybuilder

Posts: 58
From:Salt Lake City, UT, USA
Registered: Sep 2000

posted April 07, 2001 07:24 PM

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I've started my post cycle clomid, and I'm wondering if nolvadex will hurt or help. I know they both attach to estrogen receptors, so is it possible that nolvadex will compete with clomid in the hypothalamus reducing it's LH increasing properties?

I took Nolvadex throughout my cycle, (cutting cycle, 10mg EOD.) so should I continue with it or stop? Today is my first day of clomid, doing the 300mg the first day, 100mg there after and so on.


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Jafar

Amateur Bodybuilder

Posts: 58
From:Salt Lake City, UT, USA
Registered: Sep 2000

posted April 07, 2001 09:46 PM

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Anyone...?


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Tall Dude

Amateur Bodybuilder

Posts: 162
From:White Sand Beach
Registered: Feb 2001

posted April 07, 2001 10:16 PM

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Great question.
I looked up clomid in the PDR, and it says it has both estrogenic and anti-estrogenic properties. It also lists gyno as a potential side effect in males, but it could be a really small percentage without a real cause and effect relationship.
Basically, I'm saying that I have no friggin' idea as to the answer to your question.
However, I'm hoping that someone can tell us something.


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MAN CHOWDER

Cool Novice

Posts: 14
From:SOME WHERE
Registered: Jan 2001

posted April 07, 2001 10:18 PM

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YES I AM VERY CURIOUS.....SOMEONE


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Jafar

Amateur Bodybuilder

Posts: 58
From:Salt Lake City, UT, USA
Registered: Sep 2000

posted April 07, 2001 10:27 PM

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I should probably add that I'm not concerned with gyno at this point. If I was going to get it, I would have by now. I am concerned with getting my natrual test level as high as possible. So, will continuing nolvadex help or hurt this process?


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Tall Dude

Amateur Bodybuilder

Posts: 162
From:White Sand Beach
Registered: Feb 2001

posted April 08, 2001 12:43 AM

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bump


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Zeke_B

Pro Bodybuilder

Posts: 381
From:
Registered: Jun 2000

posted April 08, 2001 01:09 AM

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Clomid is an estrogen receptor antagonist.
This means it works by filling an estrogen
receptor without activating it. The only
way to interfere with this behavior is to
be an estrogen receptor agonist or fill the
receptor and activate it. It is my
understanding that nolvadex is an antagonist
as well. If so, no problem. Anyone else?


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2Thick

Moderator

Posts: 7478
From:Me, To You
Registered: Nov 1999

posted April 08, 2001 02:09 AM

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No there is no problem.

Even if they did compete (which they don't) you would be better off no matter what.


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Stew Meat

Elite Bodybuilder

Posts: 878
From:Louisiana
Registered: Jul 2000

posted April 08, 2001 01:54 PM

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Clomid has selective binding affinities to ER in the hypothalamus, but Nolvadex is non-selective.

-Stew


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METHYL MIKE

Amateur Bodybuilder

Posts: 74
From:san jose, ca.
Registered: Apr 2001

posted April 08, 2001 03:05 PM

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CLOMID DOES THE SAME THING AS HCG AND IT BINDS ESTROGEN RECEPTORS-NOLVADEX JUST PLAIN SUCKS-WOULDN'T USE IT IF I GOT IT FOR FREE.


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HUCKLEBERRY FINNaplex

Moderator

Posts: 6026
From:Timbuktu
Registered: Jan 2000

posted April 08, 2001 03:15 PM

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Clomid does NOT do the same thing as HCG.Clomid blocks estrogen's signal from the hypothalamus & pituitary,causing them to produce their signified hormones and re-initializing the T production process.HCG "mimics"leutenizing hormone in the testes,causing them to produce testosterone.It does nothing to get the hypothalamus or pituitary back in line....


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