These 8 foods lower testosterone levels, so make sure that you limit the amount you eat on a daily basis. Learn how to boost your testosterone levels instead of …

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  1. I hope you guys enjoy the video. Here are all the studies discussed:

    1. “Flaxseed contains about 75–800 times more lignans than cereal grains, legumes, fruits and vegetables”

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4375225/

    2. Lignans increase levels of the female sex hormone Estrogen

    https://www.ncbi.nlm.nih.gov/pubmed/10325492

    https://www.ncbi.nlm.nih.gov/pubmed/17301257

    3. Lignans increase levels of sex hormone-binding globulin or shbg

    https://www.ncbi.nlm.nih.gov/pubmed/8594308

    https://www.ncbi.nlm.nih.gov/pubmed/2826899

    4. 2 tablespoons of flax seeds were given to 40 male participants for only a month and their testosterone levels drop by around 10 percent

    https://www.ncbi.nlm.nih.gov/pubmed/19064574

    5. A woman who had high testosterone levels ate 30 grams of flaxseeds per day for 4 months. After doing that her serum testosterone levels dropped by 70% and her free testosterone dropped by 89 percent

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2752973/

    6. 2 tablespoons of flaxseed per day dropped total testosterone in men by around 15% and free testosterone by 20%

    https://www.ncbi.nlm.nih.gov/pubmed/11445478

    7. A high omega 6 polyunsaturated fat intake may lower testosterone

    https://pdfs.semanticscholar.org/920f/2881316105c3ff1e692ec62b6eb2c0e0ffb9.pdf

    8. Researchers looked at how different nutrients influence hormonal health and they found the more dietary fat the participants ate the higher their testosterone was. This was found to be true for their saturated fat intake as well as their monounsaturated fat intake. However, the results were the exact opposite for polyunsaturated fats. The more polyunsaturated fat that the participants ate in relation to their saturated fat intake the lower their testosterone levels dropped.

    https://pdfs.semanticscholar.org/920f/2881316105c3ff1e692ec62b6eb2c0e0ffb9.pdf

    9.

    Group number 1: Control group

    Group number 2: Received 20 grams of peppermint tea > leading to a 25% reduction in testosterone.

    Group number 3: Received 20Grams of spearmint tea. > leading to a 69% reduction in testosterone.

    Group number 4: Received 40 grams of spearmint tea. > leading to a 123% reduction in testosterone.

    The researchers from this study said that it was likely because spearmint and possibly mint in general causes oxidative stress in the hypothalamus resulting in reduced testosterone synthesis in the testes

    https://www.ncbi.nlm.nih.gov/pubmed/2850159

    https://www.ncbi.nlm.nih.gov/pubmed/14520600

    https://www.ncbi.nlm.nih.gov/pubmed/18804513

    10. 42 women drank spearmint tea two times a day for 30 days and as a result both free and total testosterone levels dropped significantly

    https://www.ncbi.nlm.nih.gov/pubmed/19585478

    11. Alcohol reduces testosterone in a dose-dependent manner

    https://www.ncbi.nlm.nih.gov/pubmed/3593480

    https://www.ncbi.nlm.nih.gov/pubmed/219455

    https://www.ncbi.nlm.nih.gov/pubmed/356646

    https://academic.oup.com/biolreprod/article/42/1/55/2764269

    12. There's also a strong link between heavy alcohol intake and reduced testosterone levels

    https://www.ncbi.nlm.nih.gov/pubmed/6443186

    https://www.ncbi.nlm.nih.gov/pubmed/10954041

    https://www.ncbi.nlm.nih.gov/pubmed/894528

    13. Drinking half a gram of alcohol per kilogram of body weight or about a quarter of a gram of alcohol per pound of body weight was able to slightly increase testosterone

    https://www.ncbi.nlm.nih.gov/pubmed/17193902

    https://www.ncbi.nlm.nih.gov/pubmed/17349749

    https://www.ncbi.nlm.nih.gov/pubmed/9046385

    https://www.ncbi.nlm.nih.gov/pubmed/19450718

    14. Other studies show that even small amounts like two glasses of red wine can lower testosterone by 7 percent.

    https://www.ncbi.nlm.nih.gov/pubmed/12711931

    15. Exposing isolated rat gonad cells to a modest amount of glycyrrhizic acid significantly blocked testosterone production.

    https://www.ncbi.nlm.nih.gov/pubmed/15302514

    16. Just 4 days after a group of men were given 7 grams of licorice in the form of candy tablets that contained about half a gram of glycyrrhizic acid; the average testosterone levels drop from 21 to 15.9 nanomoles per liter.

    See table 1

    https://www.ncbi.nlm.nih.gov/pubmed/15302514

    17. Androgen receptors are what male hormones like testosterone and dht bind to for them to be able to have an effect (Muscle growth, puberty, erection etc)

    https://www.ncbi.nlm.nih.gov/pubmed/10868587

    https://www.ncbi.nlm.nih.gov/pubmed/16965913

    https://www.ncbi.nlm.nih.gov/pubmed/18852123

    18. Soy can disrupt the uptake of iodine in the thyroid and it can impede the production of thyroid hormones.

    https://www.ncbi.nlm.nih.gov/pubmed/12060828

    19. Poor thyroid function is linked to impaired hormonal Health and lower testosterone levels.

    https://www.ncbi.nlm.nih.gov/pubmed/15142373

    20. A meta-analysis published in the Journal of fertility and sterility suggested that soy does not lower testosterone

    https://www.ncbi.nlm.nih.gov/pubmed/19524224

    21. There are conflicting studies that do find a negative effect on testosterone from soy.

    https://www.ncbi.nlm.nih.gov/pubmed/15735098

    22. Trans fatty acids could have severe adverse effects on not only testosterone production but on overall health as well. One reason for this is that trans fats trigger systemic inflammation

    https://www.ncbi.nlm.nih.gov/pubmed/16611951

    https://www.ncbi.nlm.nih.gov/pubmed/15051604

    23. There's a direct link between increased inflammation and reduced testosterone levels as well as a number of chronic diseases.

    https://www.ncbi.nlm.nih.gov/pubmed/29925283

    24. Trans fats score high in polyunsaturated fatty acids which are linked to lowering testosterone and sperm count in both rodents and humans.

    https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/effects-of-dietary-transfatty-acids-on-reproductive-performance-of-wistar-rats/CB59DB23E97FD565BC5F1C08FB855D54

    https://www.fertstert.org/article/S0015-0282(10)02735-4/abstract

    https://jandonline.org/article/S0002-8223(09)02094-X/abstract

    https://academic.oup.com/humrep/article/29/3/429/709204

    25. Natural trans fats are less harmful than artificial ones.

    https://www.ncbi.nlm.nih.gov/pubmed/21427742

    https://www.ncbi.nlm.nih.gov/pubmed/19424218

    https://academic.oup.com/advances/article/2/4/332/4591508

  2. I'm not as knowledgable in science, however, I believe it's necessary to keep a balanced metabolism in terms of hormones. I've read that it's important for spermatogenesis and regulating libido. Correct me if I'm wrong.

  3. 1) Flax Seeds (e.g. 10% decrease in testosterone levels after 1 month) 0:48
    2) Omega 6 poly-unsaturated (e.g. sunflower oil) fatty acids
    3) Mint (rats experiment: 20g Peppermint tea = 25% lower; 20g Spearmint tea = 69% lower; 40g Spearmint = 123%) 4:48

  4. Very interesting video. I knew for a fact that the thumbnail wasn’t true because ever since I started working out and losing a lot of weight I ate about two bananas every day and it’s worked really well

  5. Very informative video. However I have a question about 4:57 how can there be a decrease of 123% percent. I thought the decrease can't be more than 100%. Thanks for reading.

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