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  1. #1
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    Question Is Leucine during a cut good or bad?

    Leucine can cause insuline spikes. Does this not mean that during a cut where you don't want insuline, spikes except directly after the workout, leucine should not be taken? And what about the diabetes risk? Does taking leucine or bcaa powder raise the diabetes risk? I don't know exactly how huge those insuline spikes really are.
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    Originally Posted by randyrandal View Post
    Leucine can cause insuline spikes. Does this not mean that during a cut where you don't want insuline, spikes except directly after the workout, leucine should not be taken? And what about the diabetes risk? Does taking leucine or bcaa powder raise the diabetes risk? I don't know exactly how huge those insuline spikes really are.
    i was not aware that leucine or any bcaa's caused an insulin spike... imo, its good for cutting since it keeps your muscles loaded with valuable amino acids and puts a halt to catabolism, especially during cardio or lower calories.
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    MOTIV OPERANDI Jrich54338's Avatar
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    Originally Posted by randyrandal View Post
    Leucine can cause insuline spikes. Does this not mean that during a cut where you don't want insuline, spikes except directly after the workout, leucine should not be taken? And what about the diabetes risk? Does taking leucine or bcaa powder raise the diabetes risk? I don't know exactly how huge those insuline spikes really are.

    this is wrong, BCAA's cause insulin spike listen to what your saying lol
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    Originally Posted by Jrich54338 View Post
    this is wrong, BCAA's cause insulin spike listen to what your saying lol


    BCAA's do cause an insulin response.
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    what?
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    Hehe, what a thread

    1)Yea, amino acids cause an insulin spike.

    2)The presence of amino acids may stimulate protein synthesis, regardless of the presence of carbohydrates, because they're insulogenic.

    3)Spiking insulin in a caloric deficit and in the presence of amino acids is not going to cause fat gain; it's going to cause muscle repair.
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    Does this mean that part of the amino acids are oxidized by the body and because of this you get an insuline spike?
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    Originally Posted by randyrandal View Post
    Leucine can cause insuline spikes. Does this not mean that during a cut where you don't want insuline, spikes except directly after the workout, leucine should not be taken? And what about the diabetes risk? Does taking leucine or bcaa powder raise the diabetes risk? I don't know exactly how huge those insuline spikes really are.
    You want insulin on a cut.

    The spike of insulin is two fold. To repair muscle and to blunt cortisol.

    Does it raise the diabetic risk? Not really.

    I think that everyone's insulinic response is pretty individualized and involves all the food one consumes. If you were just consuming leucine who knew.
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  9. #9
    "come on man" BNR's Avatar
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    I consume more BCAAs on a cut than I do on a bulk
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  10. #10
    Surgeon By 2012 or Bust! -Aaron-'s Avatar
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    To all those who claim BCAA's don't spike insulin, you have some reading to do.

    http://jn.nutrition.org/cgi/reprint/130/3/608.pdf
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  11. #11
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    The question is not if it spikes insuline but how much it spikes it and if this is negative.
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  12. #12
    No struggle, No progress niiick's Avatar
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    leucine on a cut is not worth worrying about, take it post workout.
    personally on a cut, things like creatine/leucine/BA/etc are essential just to hold onto strength.

    At the end of the day, it won't impact significantly on weight loss, given you know how to cut correctly.
    I often observer it's those that over look the obvious and the basics that go nit picking like its the answer to why they haven't been losing. (not pointing at anyone in particular)
    Last edited by niiick; 10-21-2007 at 08:57 AM.
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  13. #13
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    Originally Posted by niiick View Post
    I often observer it's those that over look the obvious and the basics that go nit picking like its the answer to why they haven't been losing. (not pointing at anyone in particular)
    That's true. It's easy to get caught up in details.
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  14. #14
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    Originally Posted by gfundaro View Post
    Hehe, what a thread

    1)Yea, amino acids cause an insulin spike.

    2)The presence of amino acids may stimulate protein synthesis, regardless of the presence of carbohydrates, because they're insulogenic.

    3)Spiking insulin in a caloric deficit and in the presence of amino acids is not going to cause fat gain; it's going to cause muscle repair.
    ^That info is priceless. BCAA's should def be upped during a cut.
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