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Tribulus Boosts Testosterone (+12%), IGF-1 (+20%), Sheds 2kg (7%) Body Fat and Maintains Lean Mass in 12 Wk RCT

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Could a high dose of purified saponin tribulus extract as it was obviously used in the study at hand actually be a valid TRT alternative or even option?  No, this is not the 2015 study in trained boxers that found similarly surprising, because impressive benefits from tribulus terrestris (TT) supplementation ( read it ). It's a new study from the  Jerzy Kukuczka Academy of Physical Education  in Katowice, Poland (Wilk. 2016) that has no direct link to the previously discussed study from the   Shanghai University of Sport Affiliated School of Sports in China. And even though, the aim, i.e. to determine the effects of steriodal saponins from tribulus terrestris on the blood concentration of testosterone (T), GH and IGF-1 was similar, the overall design of the study was significantly different. Don't forget to work out - Without exercise you're not going to get lean and jacked, bro! Tri- or Multi-Set Training for Body Recomp.? Aug '15 Ex.Res. Upd.: Nitra...
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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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T-Boosters Revisited: Maca & G. Cola Boost Testosterone by More Than 125% and 300% While Increasing Libido

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We still need human studies to confirm the results of the studies to call maca and garcinia cola "proven T-boosters"! Before you get all-too-excited; let's be clear about this: An increase in natural testosterone production will not produce the same increase in muscle mass and reduction in body fat as injectable testosterone. As I've explained in two previous articles (" Understanding the Big T ", " Quantifying the Big T "), the difference lies in small constant (T-booster) vs. extreme and slowly declining increases in testosterone (T-injection | see Figure 1 ). If you take a look at the dose-response graph I created for the former article, you will yet realize that this does not mean that a significant boost of low-ish T-levels wouldn't have benefits - especially on your body composition. With that being said, there's a second thing I must say right away: both studies I will discuss in today's article are rodent studies (rats t...
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Tribulus is Good for Something: 1.25 g/day Modulate IGF-1 Availability and Alleviate Muscle Damage While Promoting Anaerobic Performance of Intensely Trained Male Boxers

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Tribulus terrestris extracts - While the boxing gloved protect a boxers fists from damage, the TT extracts may protect his muscle. Recent study yields surprising results and insights into the performance enhancing effects of TT and why it may have failed to work in previous studies. Yes, it's (a) not a rodent study, (b) published in a peer-reviewed journal, (c) not sponsored by a supplement company (but the Chinese government), and was (d) conducted not just with untrained and mostly sedentary or "recreational trained" human beings, but even with fifteen highly trained male boxers (national second-level athletes, 2–3 years of training) who were recruited from the boxing team of Shanghai University of Sport Affiliated School of Sports in China. This alone makes the latest study from the Shanghai University of Sport newsworthy. The fact that the scientists actually observed significant and practically effects when they 'fed' their subjects 1.25g of a standardize...
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Fenugreek Works - Recent Study Suggests, It Works in Human Lifters, too - But How Significant are the Results?

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If you trust in the promises of the supplement industry, these seeds are as potent as steroids. If we go by the rodent studies the write-ups on various testosterone boosters and "performance enhancers" cite, there has never  been the slightest doubt that fenugreek is a potent testosterone booster and ergogenic. When it comes to practically relevant human studies, however there are still a lot of questions that have to be answered - even after the recent publication of a study from the  Smt. Kashibai Navale Medical College  in India (Wankhede. 2015). A study, in which the authors, Sachin Wankhede, Vishwaraman Mohan, and Prasad Thakurdesai whose previous studies are often cited in the aforementioned write-ups have all investigated (and proven)  the efficacy of the glycoside fraction of fenugreek seeds (Fenu-FG) on testosterone levels in rodents - and even more bizarre, in immature castrated male rats (Aswar. 2010). In view of the fact that a more recent follow ...
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