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Thread: Lowest effective mast dose?

  1. #1
    Bigbadwolf250 is offline Associate Member
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    Lowest effective mast dose?

    So been on 500 test e, npp 100 EOD and proviron 50 mgs. Was going to take the proviron but then wanted to switch over to mast p. What's the lowest dosage to still get that somewhat ai property from it, hardening, and libido increase. But keeping sides to a minimal?

  2. #2
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    Negative sides will be little to none with MASTERON . The minimum I would suggest is 200-300 per week.
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  3. #3
    Bigbadwolf250 is offline Associate Member
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    I'm currently running proviron and want to switch the mast for the second half. My guy only has mast e in stock. How would I make the transfer over seeing how it'll take about 2 to 3 weeks to kick in
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  4. #4
    Windex is offline Staff ~ HRT Optimization Specialist
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    Don't bother switching over if it's just Mast E - plan better for future cycles. Proviron vs Masteron is comparing apples to oranges.

    Also the hardness effect from Mast is really only going to pop on single digit body fat. That's why it's a staple for people doing shows.

    Libido isn't really something that comes from Masteron (in a vacuum). in my experience
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  5. #5
    balance is offline Associate Member
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    Quote Originally Posted by Windex View Post

    Libido isn't really something that comes from Masteron (in a vacuum). in my experience
    Not sure what you mean here with (in a vacuum). What I will say is that adding masteron at 400mg per week to a trt test dose definitely makes for a noticeable impact in raising libido ime.



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  6. #6
    Windex is offline Staff ~ HRT Optimization Specialist
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    Quote Originally Posted by balance View Post
    Not sure what you mean here with (in a vacuum). What I will say is that adding masteron at 400mg per week to a trt test dose definitely makes for a noticeable impact in raising libido ime.



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    When people cut an AI to use Masteron instead, they attribute the libido increase to Masteron, when its really coming from the increase of estrogen since no AI is present anymore.

    IE 750mg of Test + AI vs 500mg Test + 250mg Mast with no AI (arbitrary numbers).
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  7. #7
    i_SLAM_cougars is offline Banned- for my own actions
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    Quote Originally Posted by Bigbadwolf250 View Post
    So been on 500 test e, npp 100 EOD and proviron 50 mgs. Was going to take the proviron but then wanted to switch over to mast p. What's the lowest dosage to still get that somewhat ai property from it, hardening, and libido increase. But keeping sides to a minimal?
    If you’re already into your cycle I would use mast prop, or you can start using Enanthate , but I would also continue to use prop for 10-14 days while the long esther kicks in

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    Quote Originally Posted by Bigbadwolf250 View Post
    I'm currently running proviron and want to switch the mast for the second half. My guy only has mast e in stock. How would I make the transfer over seeing how it'll take about 2 to 3 weeks to kick in
    Plot it out on steroidcalc to see the ester release rate.


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    Or just run nolva instead if you are worried about estro sides
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    Quote Originally Posted by Octaneforce View Post
    Or just run nolva instead if you are worried about estro sides
    You know Nolva doesn’t do anything to estrogen levels right? It will protect from gyno but won’t do anything for estrogen induced high BP, bloating, ED.


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  11. #11
    Bigbadwolf250 is offline Associate Member
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    Wanted to just do 200 mast a week. Is that sufficient? Should I lower test and npp dose or keep everything the same and just add in the 200 mast per week?

  12. #12
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    Quote Originally Posted by Grappler13 View Post
    You know Nolva doesn’t do anything to estrogen levels right? It will protect from gyno but won’t do anything for estrogen induced high BP, bloating, ED.


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    Yes. I assumed thats what he was going for.
    Does mast literally lower estro?

  13. #13
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    Quote Originally Posted by Bigbadwolf250 View Post
    Wanted to just do 200 mast a week. Is that sufficient? Should I lower test and npp dose or keep everything the same and just add in the 200 mast per week?

    Keep everything the same. Maybe consider frontloading the mast to get caught up faster. You will need 300-400/week to get the benefits imo.

  14. #14
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    Quote Originally Posted by Octaneforce View Post
    Yes. I assumed thats what he was going for.
    Does mast literally lower estro?
    No. Mast does nothing to lower estrogen.


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    JaneDoe is offline Banned
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    Quote Originally Posted by Grappler13 View Post
    No. Mast does nothing to lower estrogen.


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    Maste has been approved by the FDA as an antiestrogen medicine for breast cancer treatment.How does he do nothing?It was one of the first drugs used as an alternative to fight breast cancer when medicine had not yet advanced anything like AI ... Masteron induces a reduction or inhibition of prolactin or estrogen receptors in the breasts. That's what medicine says ..
    Last edited by JaneDoe; 10-28-2019 at 03:33 PM.
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  16. #16
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    It actually binds to estrogen receptor presenting cancer cells and inhibits their ability to continue to divide. Very different MOA than bonding to healthy estrogen receptors.


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    Windex is offline Staff ~ HRT Optimization Specialist
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    Quote Originally Posted by davimeireles View Post
    Maste has been approved by the FDA as an antiestrogen medicine for breast cancer treatment.How does he do nothing?It was one of the first drugs used as an alternative to fight breast cancer when medicine had not yet advanced anything like AI ... Masteron induces a reduction or inhibition of prolactin or estrogen receptors in the breasts. That's what medicine says ..
    The mechanism of action for Masteron is not the same as an AI. It doesn't destroy estrogen.
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  18. #18
    JaneDoe is offline Banned
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    Quote Originally Posted by Windex View Post
    The mechanism of action for Masteron is not the same as an AI. It doesn't destroy estrogen.
    I see, so he can't do anything to prevent gynecomastia and water retention. I see around, several guys implementing androgens in the cycle with the role of counteracting estrogen activity in the body. They claim that androgen with Masteron would block estrogen in receptors, like Novaldex!So they're wrong about that, bro ?? Can Masteron do nothing for this purpose?I know it's good to use Masteron with 19 -nor steroids to block prolactin.
    About blocking estrogen receptors - Masteron does nothing? I was thinking that adding Maste was the solution to my estrogen problems - I was even giving up Nolvadex in my cycles - which could be a mistake

  19. #19
    GearHeaded is offline BANNED
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    from my understating, Masteron blunts estrogen sensitivity via the progestin loop. progestins sensitize your estrogen receptors to estrogen. this is why you can get tren gyno even though it doesn't convert to estrogen , its because tren as a progestin will act on progestin receptors and make you hyper sensitize to the low amounts of estrogen you do have.. Masteron simply blunts this process keeping you from becoming hyper sensitive to estrogen even in the presence of progestins (which is why it works great being ran with 19 nor progestins like tren and deca ).

    also, mast is fairly androgenic (though on paper it isn't rated that high) . both directly and indirectly. its directly androgenic in that it will bind to androgen receptors and relay androgenic properties to cells, and its indirectly androgenic in that it will lower SHBG which will then free up a lot more DHT into the blood stream.
    elevated androgen levels in the body will counter the "feminizing" effects that estrogen can have , even if your estrogen levels are high.
    which is why its also an old school approach to run Halotestin (the most androgenic AAS out there) to counter gyno symptoms.
    androgens have a way of countering/offsetting negative estrogen effects.

    so no Mast is not working like an AI at all or killing your estrogen levels. its working though much different pathways and actually working much better and healthier then an AI , imo .

    having high estrogen levels is actually a good thing on cycle . the problem with high estrogen only is a problem if your androgen levels are super low. with both elevated estrogen and elevated androgen levels there becomes a synergy between the two and you will make better gains..


    running Mast , I recommend 100mg EOD for a general cycle (much higher if in contest prep).


    interesting side note - just like progesterone will sensitize estrogen receptors to estrogen, estrogen itself will sensitize androgen receptors to androgens (which is why crushing estrogen going into a cycle is a bad idea and going to limit the success of your cycle and the AAS having effect on receptors)
    Last edited by GearHeaded; 11-01-2019 at 01:54 PM.
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  20. #20
    JaneDoe is offline Banned
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    Can the masteron be used over 8 weeks?
    -
    Something like 12 weeks?
    Last edited by JaneDoe; 11-01-2019 at 05:28 PM.

  21. #21
    i_SLAM_cougars is offline Banned- for my own actions
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    Quote Originally Posted by davimeireles View Post
    Can the masteron be used over 8 weeks?
    -
    Something like 12 weeks?
    Yes, there’s really no limit on how long you can use it
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