Testosterone powers male primary and secondary sex characteristics, and maintains cardiovascular health in men. In addition to treating erectile dysfunction, testosterone replaces fat with lean muscle mass, increases energy level and sexual desire, and creates positive mood. Tongkat Ali is a favorite of body builders looking for increased lean body mass and strength.

Though there has been some research into Cordyceps, advertising them as an ED solution because of a handful of scattered conclusions is flawed. When you unpack each conclusion, the reasoning becomes faulty. Having low testosterone levels may seem like an obvious reason for not being able to get it up but doctors are adamant that this isn’t always the case.
Erectile dysfunction (ED) is the inability to achieve or maintain an erection sufficient for intercourse. Because ED can have a strong psychological component, counseling with a psychotherapist or sex therapist often works. However, more often ED is a symptom of cardiovascular disease and diabetes, both of which can impair blood supply to the penis. In addition, many medications interfere with sexual functioning.

One study published in 2013 found that it releases nitric oxide, a feature that may contribute to an erectile response independent of testosterone level. Tribulus also increases testosterone and luteinizing hormone as well as DHEA. Tribulus is a favorite of athletes and body builders, some of whom have reported increased breast tissue at high dosages, due to the conversion of testosterone to estrogen. Although Tribulus has been used for centuries in the East, researchers in the West have yet to document its safety.


The search for a cure for erectile dysfunction (ED) dates back way before the introduction of Viagra in the 1990s. Natural aphrodisiacs, from ground rhinoceros horn topa chocolate, have long been used to increase libido, potency, or sexual pleasure. These natural remedies are also popular because they’re said to have fewer side effects than prescribed medications.
Tongkat Ali (Eurycoma longiflora) (Figure 7): this native plant found through SE Asia is used as an Aphrodisiac since 1996 (5). It has to be used regularly and works by enhancing the testosterone and cGMP production. Benefits are felt gradually over a period of time, mainly because it enhances the natural biological synthesis of testosterone. When the level is increased, health and vitality are restored. In studies on Mice, Tongkat Ali increases the number of times and duration of sexual performance of the animals under study (8) with testosterone levels increasing up to 440% in some animals. In a recent study on humans, 62% of subjects showed an increase of the free testosterone index indicating it’s biostimulatory effect on steroidogenesis. It has also been shown to increase sperm concentration and motility and increases energy in the individual by enhancing ATP production by 60% thru oxidative phosphorylation.
A study published in May 2014 in The Journal of Sexual Medicine found that some men can reverse erectile dysfunction with healthy lifestyle changes, such as exercise, weight loss, a varied diet, and good sleep. The Australian researchers also showed that even if erectile dysfunction medication is required, it's likely to be more effective if you implement these healthy lifestyle changes.
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