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  1. #11
    Junior Member
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    Mar 2019
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    Definitely increases the level, but not much. Recently, scientific articles looked at this.

  2. #12
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    Oct 2018
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    phonenix
    Posts
    4
    I also don't think so...where did u find it? any reference

  3. #13
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    Apr 2019
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    17
    Too much of the jittery juice increases cortisol, which decreases testosterone. Moreover, consuming caffeine late in the day hurts sleep, which lowers testosterone production. But one recent study indicate that caffeine consumed before working out may improve testosterone levels and help you exercise more efficiently.

  4. #14
    Junior Member
    Join Date
    Aug 2019
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    6
    Testosterone is a vital sex hormone that boosts muscle formation, facial hair and genital development. In an effort to avoid substances that may decrease testosterone, some athletes and bodybuilders shun caffeine, but it appears that caffeine may actually increase testosterone. Caffeine doesn't come without side effects, however, so it shouldn't be used to excess or to treat severe testosterone imbalances.

  5. #15
    Junior Member
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    Apr 2019
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    17
    RESULTS: Testosterone concentration showed a small increase of 15% (90% confidence limits, +/- 19%) during exercise. Caffeine raised this concentration in a dose-dependent manner by a further small 21% (+/- 24%) at the highest dose. The 800-mg dose also produced a moderate 52% (+/- 44%) increase in cortisol.

 

 
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