# Foods with testosterone

**URL:** <https://boards.straightdope.com/t/foods-with-testosterone/693988>\
**Category:** Factual Questions\
**Created:** [July 25, 2014, 2:23am UTC](https://boards.straightdope.com/t/foods-with-testosterone/693988 "2014-07-25T02:23:04Z")\
**Posts on this page:** 5\
**Page:** 2

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**Author:** ![MrQwertyasd](https://avatars.discourse-cdn.com/v4/letter/m/9d8465/32.png) [@MrQwertyasd](https://boards.straightdope.com/u/MrQwertyasd)\
**Post date:** [July 26, 2014, 7:00am UTC](https://boards.straightdope.com/t/foods-with-testosterone/693988/21 "2014-07-26T07:00:15Z")

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> [@DSeid](#):
>
> You are correct. I had read the bit about the dose response curve being established with injections and incorrectly understood that to be the technique for administration in the experiment.
> 
> The point however remains - according to that article phytoandrogens are very uncommon and they claim this gutta percha bark extract is the first one actually documented.

Well it looks to me like they’ve established hibiscus extract in rats and bulls. It’s going to be a safe bet that people drink aphrodisiac hibiscus tea for a good reason, I would think.  
I wouldn’t bet against parsnips either, though I haven’t seen any science yet - but I’m not looking for that, I’m supposed to have my questions answered by swarms of nerds here, not do it all myself.

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**Author:** ![Reverend\_Meade](https://avatars.discourse-cdn.com/v4/letter/r/6a8cbe/32.png) [@Reverend\_Meade](https://boards.straightdope.com/u/Reverend_Meade)\
**Post date:** [July 26, 2014, 10:56am UTC](https://boards.straightdope.com/t/foods-with-testosterone/693988/22 "2014-07-26T10:56:45Z")

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I’m primary hypogonadal (testosterone deficient) and I was told that testosterone isn’t available in oral formulations because the liver is too good at filtering it out before it has a chance to be effective. That meant than receiving a functional dosage would require taking enough to end up causing liver damage. Assuming my doctor was right about this than this wouldn’t be an issue of steroid effects but one of liver damage.

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**Author:** ![DSeid](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dseid/32/20194_2.png) [@DSeid](https://boards.straightdope.com/u/DSeid)\
**Post date:** [July 26, 2014, 11:11am UTC](https://boards.straightdope.com/t/foods-with-testosterone/693988/23 "2014-07-26T11:11:59Z")

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No, they have a study in male rats that found Hibiscus extract seemed to increase their own testosterone production, hence the larger testes … a phytoandrogen would cause reduction in testicular volume. That was what **Dr. Cube** was asking about (with effects in humans). It is more than a pedantic distinction.

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**Author:** ![MrQwertyasd](https://avatars.discourse-cdn.com/v4/letter/m/9d8465/32.png) [@MrQwertyasd](https://boards.straightdope.com/u/MrQwertyasd)\
**Post date:** [July 30, 2014, 6:22am UTC](https://boards.straightdope.com/t/foods-with-testosterone/693988/24 "2014-07-30T06:22:00Z")

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cornflakes

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**Author:** ![plankter](https://avatars.discourse-cdn.com/v4/letter/p/7ba0ec/32.png) [@plankter](https://boards.straightdope.com/u/plankter)\
**Post date:** [July 31, 2014, 3:49am UTC](https://boards.straightdope.com/t/foods-with-testosterone/693988/25 "2014-07-31T03:49:57Z")

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> [@MrQwertyasd](#):
>
> cornflakes

General Mills, is that you?

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