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Shilajit: Ayurvedic Testosterone Booster that Works in Men, not Rats: ~20% Increase in Free T + Higher Total T & DHEA

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"Get leaner, more muscular and hornier than ever before" - That's probably the promise on the T-booster someone will release after reading this SuppVersity article and sourcing an inferior Shilajit extract on Alibaba. No, I hadn't heard of Purified Shilajit (PS), either, before I read about it in a very recent study in the peer-reviewed scientific journal Andrologia (Pandit. 2015). Actually, the study was first published in online (ahead or print), in late 2015. It took several months for it to be finally available in print and to appear on my "study radar", though. Shilajit is traditionally used in Ayurveda, an indigenous system of Indian medicine, as a remedy for several diseases, particularly chronic diseases. It is a pale-brown to blackish-brown exudate that oozes from sedimentary rocks worldwide, largely in the Himalayas. The natives describe it as pahar-ki-pasina (sweat of mountains), paharki-khoon (mountain blood), shilaras (rock juice), asphalt...
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Tongkat Ali - Malaysian Viagra W/ Anti-Belly Effect: More Than 30% Reduced Omental Fat Pad Size + Corresponding Increases in Testosterone W/ Human Equiv. of 4g+/Day

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It's efficacy in situations like this has more scientific back-up than any of the muscle building of fat burning promises some Tongkat Ali supps come with. By now, most of you should have read the article on the testosterone "boozing" effects of alcohol and realized that the post workout Margarita probably comes off second best, when we compare it to whey and may - at least until we don't know otherwise - actually be pathological (=the result of a disturbance of the normal hormone metabolism in the liver). That being said, we better go back the "tried(!) and proven(?)" stuff. I mean a herb that goes by the name "Long Jack" does already sound way more promising than a "Blood Mary" doesn't it? "Long Jack? ;Malaysian viagra? Ok, I am in!" As the popular name already implies, the root of Eurycoma longifolia Jack , an evergreen plant that belongs to the family Simaroubaceae has a long (all puns intended) tradition in ...
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+76% Testosterone & Protection From Insane Amounts of EMR With Rosmarinic Acid from O. Basilicum, Majoram, Thyme and Several Other Herbs in Your Kitchen Cabinet

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Figure 1: O. basilicum extract was the rosmarinic acid (RA) source that was used in the study at hand; other common herbs which contain RA include rosemary (who would have guessed that ;-), Spanish sage , lavender , perilla and lemon balm , majoram , thyme and mint That I am not a fan of testosterone boosters is probably an "open secret"... specifically in terms of "scientifically proven" ones, without any human data to back their claims and a single rodent study published in the African Journal of Pharmacology to back claims that like "increases lean mass" or "helps you shed body fat" that would not be supported by the study data, anyways... so, just to make sure that you , as a faithful student of the SuppVersity are the first to know about the (I bet) soon to be released "scientifically proven" testosterone booster, I decided to share with you the results of... exactly, one of those rodent studies from the January issue of the...
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+87% Increase in Testosterone Within 21 Days from a 100% Natural Supplement? Study Shows: Soy Bean Extract Can Do Just That While Wreaking Havoc on Your Testes. Plus: Corn Oil Reduces Testosterone to Estrogen Ratio by -50%!

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Image 1: I guess the feed of those boars does not contain any corn oil and is spiked with both bisphenol A and soy bean extract - I mean, how else could you possibly explain those balls? (img dirtybutton.com) Let me start today's post with a few questions: Would you buy a 100% natural product that can lower your estrogen levels by up to -98% , increase the weight of your testes by ~30% and, above all, boost your testosterone levels by a whopping +87% ? I guess, at least all those of you who either have not read or not understood the Intermittent Thoughts episode on estrogen's role in skeletal muscle hypertrophy are just sitting there, nodding their heads... I would yet also venture the guess that this nodding will end pretty abruptly, now that I am about to tell you that this all natural testosterone booster is derived from the powder of 2kg of Glycine max soy beans via methanol extraction, subsequently freeze dried and capped into 600mg caps of which the av...
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Selenium, the Fertility Mineral!? Organic and Inorganic Selenium Ameliorate Reductions in Testosterone, Testicular Damage and Abnormalities in Sperm Quality in Obese Mice

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Image 1: With enough selenium in vivo, "in vitro" (-fertilization) may not be necessary. If you have not heard about it in one of my previous blogposts , you may probably heard about the antioxidant, pro-fertility effects of selenium in the context of Tim Ferris' "selenium experiment" in the 4-Hour-Body . Ferris claimed that by just eating a handful of Brazil nuts (544µg selenium per ounce) every day shot his testosterone levels and libido through the roof. Now, what most people probably overheard, though, was that Ferris was selenium deficient to begin with. Just as every bodybuilder's holy grail, zinc, selenium won't help up your testosterone or fertility if you have already plenty of the potentially toxic trace mineral in your diet. In view of its central role in the antioxidant defense system of our bodies , it is however likely that selenium requirements increase, whenever our bodies are exposed to increasing amounts of oxidative stress. Wh...
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Mobile Contraception: 850Mhz GSM Mobile-Phone Radiation Reduces Sperm Vitality, Membrane Integrity and Motility.

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Image 1: If you carry your phone in your pocket, you reduce your sperms chances to hit a home run ;-) I don't know if you actually realized that there is a separate category "sex" in the navigation bar of the SuppVersity. Well, I guess if you have, you will probably have been disappointed when you hit the respective button, because sexually exciting news from the realms of exercise and nutrition science are scarce and even today's blogpost is probably not exactly what you would expect when you read the word "sex" on the Internet. If you come to think about it from the increasingly popular paleolithic point of view, sex is however nothing but a means of reproduction, our ancestors have been practicing... well you know the whole ancestral litany ;-) 2,000,000 infertile couples in the US and the figures keep rising What I am really driving at, here, is that for way more of your fellow human beings than you may think sex becomes a meticulously planned u...
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A Bitter Pill For Your Testes: Purported Health Supplement Bitter Melon Induces Oxidative Damage in Rat Testes and Reduces Testosterone Levels by >50%

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Image 1: Momordica charantia, also known as Bitter melon - just in case you haven't seen this remarkable fruit yet. (photo Flying Toaster ) "Bitter Melon? That's in X, Y and Z. All products that are meant to improve your health. Well, Bitter Melon must be some good stuff then, no?" Right off the bat: No, it ain't "good stuff", but rather rat(-testes) poison ! In a recently published study, Yama, et al. ( Yama. 2011 ) investigated the effect of 6-16 weeks of 50mg/kg (human equivalent: 8mg/kg) Momordica charantia (bitter melon) seed extract on testicular health of 90 male Sprague Dawley rats. Warning : The results of this study will probably make you throw up, if you just popped some bitter melon laden supplements: The extract administered for 6, 8 and 16 weeks produced significantly (p < 0.05) increased testicular MDA [malondialdehyde is an accepted plasma marker for oxidative stress] (1.74 ± 1.15, 1.84 ± 0...
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Unhealthy Testosterone Boosters: Mobile Phone Radiation and Cat Litter Disease

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If you are still looking for ways to "naturally" boost your testosterone levels, here are two ways of doing so, you better avoid. Excessive Cell Phone Use to Boost Testosterone The first one has been discovered by Gutschi et al. only recently ( Gutschi. 2011 ). When they investigated the effects of cell phone radiation on men's semen parameters, the scientists were in fact able to confirm their hypothesis that exposure to cell phone radiation leads to decreased sperm quality (cf. fig. 1, left). An interesting side-finding, however was the unexpected correlation of cell phone use and testosterone levels (cf. fig. 1, right) observed in the study. Figure 1: Sperm health (left) and hormone levels (right) in cell phone users and non-users (data adapted from Gutschi. 2011 ) So, you love your cell phone and don't want to have kids, anyway? Fine, keep using it, but do not expect to improve your athletic performance, gain mu...
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Chrysine: 5,7-dihydroxyflavone for Bigger Balls and Higher Serum Testosterone

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Polyphenols in general and flavonoids in particular are every supplement producer's favorite. Its so easy to pick up some exotic plant from somewhere deep down in the jungle, extract an exotic flavonoid, give it a fancy chemical looking name and provide some in-vitro data on his anti-oxidant omnipotence or whatever. In most cases the compounds disappear from the market within weeks, yet chrysine which is extracted from the Common Passion Flower, has been around for years. A recent study ( Ciftcy. 2011 ) by Ciftci et al. provides further evidence that its market persistence may not be without a reason. Over the time course of the scientists fed a group of lab rats 50 mg/kg chrysin (human equivalent ~8mg/kg) or placebo for 60 days and found: that chrysin significantly increased GSH, CAT, GSH-Px and CuZn-SOD levels , but did not change the formation of TBARS significantly. In addition, sperm motility, sperm concentration and serum testosterone levels significantly increased , ...
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Do Your Sperm a Favor: Eat Salmon not Soy!

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In a recent investigation Brazilian scientists (Moraes. 2010) found that vitamin E from salmon, but not soy oil, has beneficial effects on sperm motality and resistance to cooling to 17° respectively 5°. The scientists supplemented twenty-four Dalboar 85 boars with three different amounts of antioxidants (150, 300 and 450 vitamin E mg/kg) from one of the sources and conducted a few standard tests at 24h, 48h, and 72h after the supplementation: Salmon oil increased the vigor in both temperatures evaluated after 24 and 48 hours. The occurence of total morphological abnormalities was higher in the semen of animals fed soybean oil and cooled at 17ºC while in the lowest cooling temperature (5ºC) there was no difference among animals under supplementation. [...] Salmon oil improves the sperm characteristics of the boar semen cooled at 17 and 5ºC from 24 to 48 hours. "No soy boy!". The good old BB-saying holds true no matter how hard animal rights activists are pushing to get me ...
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