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Thread: SERM or PDE5 inhibitor??

  1. #1

    Default SERM or PDE5 inhibitor??

    will my lab rat need a SERM or PDE5 inhibitor ater taking 12 weeks of testosterone and deca. How about 12 weeks? i want it to gain more muscle and reduce bodyfat. what do you suggest

  2. #2
    Join Date
    Feb 2013


    you should always run a full pct after every steroid cycle and allow time for your HPTA to recover. look up the perfect PCT and follow that

    also have you already been taking an AI? if not your estrogen is going to be sky high

  3. #3


    First off, are you using any support supplements with your cycle?

    Remember to include the proper support supplements with your cycle:
    1. An AI to keep estrogen in the low-normal range. Aromasin at 10mg EOD is a good dosage.
    2. An anti-prolactin drug to keep prolactin in the low-normal range. Cabergoline at 0.25mg EOD is a good dosage.

    The support supplements are very important because high estrogen and prolactin levels can lead to side effects like gyno and water retention.

    Second, you need to run a full and proper PCT to ensure your natural testosterone production fully recovers. A single SARM or PDE5 inhibitor is not near sufficient for a PCT protocol.

    Here's what I recommend:

    Weeks 1 - 12
    testosterone 500mg/week
    deca 300mg/week
    aromasin 12.5mg every other day
    cabergoline 0.25mg every other day

    After your cycle run the perfect PCT protocol:
    Trevor Kouritzin RHN, B.ENG
    Human Nutrition masters student
    Pro bodybuilder, International model
    Evolutionary Radio podcast host

    For training inquires please send me a private message or email [email protected]

  4. Default

    A thorough PCT is necessary. I recommend the Perfect PCT linked in the above post. A PDE5 only helps with erections but has nothing to do with recovering natural testosterone production.

  5. #5


    Your rat needs a full on proper PCT protocol. PDE5 inhibitor is also a good addition. Not only to the libido or erections, but there is proven scientific study how low doses of cialis on daily basis elevates natural testosterone levels. So its a nice addition to the SERM, test booster and SARM PCT protocol

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