In 1927, the University of Chicago's Professor of Physiologic Chemistry, Fred C. Koch, established easy access to a large source of bovine testicles — the Chicago stockyards — and recruited students willing to endure the tedious work of extracting their isolates. In that year, Koch and his student, Lemuel McGee, derived 20 mg of a substance from a supply of 40 pounds of bovine testicles that, when administered to castrated roosters, pigs and rats, remasculinized them.[179] The group of Ernst Laqueur at the University of Amsterdam purified testosterone from bovine testicles in a similar manner in 1934, but isolation of the hormone from animal tissues in amounts permitting serious study in humans was not feasible until three European pharmaceutical giants—Schering (Berlin, Germany), Organon (Oss, Netherlands) and Ciba (Basel, Switzerland)—began full-scale steroid research and development programs in the 1930s.

Shilajit, on the other hand – is a special nutrient rich soil found in the Himalayan Mountains. Research is still pending on the exact testosterone and red blood cell boosting components in Shilajit, but we believe it has to do with the high levels of fulvic acid and dybenzo-pyrones. Shilajit, for use in testosterone and bodybuilding supplements is heavy patented by one of Muscletech’s subsidiaries. With that being said, you may not see this ingredient in many other supplements by other brands.
Dr. Anthony's Notes: When evaluating the efficacy of a product, it’s tough to balance the currently available human research with thousands of years of anecdotal evidence of efficacy. Tongkat Ali is a perfect example. All of the current studies are on animal models (not humans) – this DOES NOT mean that Tongkat Ali doesn’t work with humans. It simply means more research is needed. Personally, the strong experience of thousands of men (myself included) using this herb can confirm it’s libido enhancing effects. Also, this herb is DAMN BITTER. It makes Maca powder seem like a walk in the park. Hide in a smoothie or you will be sorry haha! How To Take Tongkat Ali: 200-300mg (of a 100:1 extract) 1-2 times per day. If you are using the raw powder (recommended below) that is NOT encapsulated, definitely hide the powder in a fat burning smoothie like the “Fit Father Fat Burning Shake Recipe” we recommend in FF30X. Again, I cannot understand how damn nasty this powder tastes. Beware!

Are you getting enough vitamin D? Vitamin D is an essential nutrient, but it can be difficult for people to know if they are getting the right amount. Some people will be able to get enough vitamin D from sunlight. Others may need to make dietary changes or take supplements. Here, we explain how to get vitamin D from sunlight, food, and supplements. Read now

So if you’re intent on maximizing your testosterone levels, and/or you have applied all of the above and you’re still not satisfied with your results (which would be surprising) then you could try the below. I will point out that some of these tips may not have the scientific evidence to back them up like the previous points, but I can assure you that either I have or do use them (and have positive results), or a client has used them with pleasing results, or finally it is such a new conception that there isn’t enough evidence to prove it one way or another.


If a young man's low testosterone is a problem for a couple trying to get pregnant, gonadotropin injections may be an option in some cases. These are hormones that signal the body to produce more testosterone. This may increase the sperm count. Hedges also describes implantable testosterone pellets, a relatively new form of treatment in which several pellets are placed under the skin of the buttocks, where they release testosterone over the course of about three to four months. Injections and nasal gels may be other options for some men.
Zinc plays a variety of roles in regulating the functions of enzymes and chemicals as well as your immune system. Zinc is also a potent antioxidant and can reduce the frequency of illnesses. Studies show that zinc may actually increase testosterone production. Large doses of zinc have actually been found to inhibit aromatase, thus reducing estrogen levels and increasing the effects of testosterone.

During the second trimester, androgen level is associated with sex formation.[13] This period affects the femininization or masculinization of the fetus and can be a better predictor of feminine or masculine behaviours such as sex typed behaviour than an adult's own levels. A mother's testosterone level during pregnancy is correlated with her daughter's sex-typical behavior as an adult, and the correlation is even stronger than with the daughter's own adult testosterone level.[14]
Alternately known as prasarini or Chinese fever vine, Paederia foetida is an herb that is commonly used in Ayurvedic traditions. While its traditional uses originally centered around intestinal health, especially as a treatment for diarrhea and dysentery, Paederia foetida has been shown to improve male vitality and vigor by increasing serum testosterone levels.
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