Everything about Tongkat Ali

What is Tongkat Ali?

Eurycoma longifolia, also known by its names Tongkat Ali, Longjack or Pasak Bumi is a plant mainly found in Southeast Asia, particularly in Indonesia, Malaysia, Vietnam and Laos. It is a popular addition to traditional medicine in these regions and is often used as an aphrodisiac, stress reliever, and testosterone booster. It is also sometimes known as "Asian Viagra" due to its purported ability to improve sexual performance. 

The roots of the Tongkat Ali plant form an entire underground root system. These roots naturally contain powerful components, in particular quassinoids. Within the quassinoids mainly has the substance eurycomanone a very powerful effect. Most of the benefits that Tongkat Ali brings come from the eurycomanone component.

Where is Tongkat Ali Used??

In the Malay language Tongkat means Ali; Ali's walking stick. The reason for this is that in Southeast Asia, the roots of the plant have been used for centuries to increase physical strength, mainly in men, in the same way that a walking stick can help keep you on your feet.

Tongkat Ali is particularly popular in Malaysia & Indonesia where it is even used in (instant) coffee. These products are known in Southeast Asia for their... energy and physical strength to give.

Before modern science, Tongkat Ali was widely consumed by Malaysians to treat various illnesses such as flu and colds. Tongkat Ali has been used for centuries.

However, in the Western world we have only recently discovered the powers of these roots and the popularity and demand for Tongkat Ali is increasing enormously, mainly due to Joe Rogan and neurobiologist Andrew Huberman from Stanford University.

Watch the video about Tongkat Ali and below testosterone optimization from Joe Rogan and Andre Huberman:


Benefits Of Tongkat Ali

What benefits does Tongkat Ali bring? Below is an overview of the likely benefits.  

  • Tongkat Ali can increase testosterone levels

Various studies show that Tongkat Ali testosterone level in people to increase. For now, it appears that Tongkat Ali works in the body in four different ways to increase testosterone.

  1. Seems aromatase, conversion of testosterone to estrogen, to counteract. (1)
  2. Decreases stress hormone cortisol resulting in an increase in testosterone. A study shows that after 4 weeks of using Tongkat Ali, the average cortisol level in the subjects with 16% fell and testosterone with average 37% increased. (2)
  3. Reduction of SHBG (sex hormone binding globulin) levels. SHBG is a mechanism that, like a kind of taxi, transports testosterone around the body. When you have too much SHBG If you have a traffic jam, so to speak, the testosterone cannot be properly delivered to its destination. (3)
  4. Could encourage the creation of it luteinizing hormone (4) which sends more signals in the body to produce testosterone.
  • Tongkat Ali can promote exercise performance and stimulate muscle growth

Tongkat Ali can stimulate with the growth of muscle mass, muscle power and fat loss. For example, a study shows that taking 100mg Tongkat Ali in combination with weight training increases lean body mass for 5 weeks. Compared to a group that followed the same strength training program, it appeared that the group that used Tongkat Ali had grown more muscle mass and lost more fat. (5)

This shows that Tongkat Ali in combination with strength training can help you training performance at optimize.

  • Good for the mood and against stress

After 4 weeks of using Tongkat Ali, a study showed that the tension in the test subjects with down 11% is, anger by 12% and confusion by 15%. In addition, it is stress hormone cortisol decreased by 16%. Tongkat Ali could therefore help to improve the mood slightly. (2)

  • Good for libido and fertility

The following study shows that after 12 weeks of use 300mg Tongkat Ali in men between 30-55 years old that it libido of 12% has increased that the health of it sperm of 44% has increased with an 18% increase in volume. In addition, this study also found that men with a BMI higher than 25 experienced a decrease in fat mass. (6)

Side Effects Tongkat Ali

In a number of studies where people have used Tongkat Ali, there are no side effects found it. A maximum of 400 mg was used here. Testosterone levels did not collapse after stopping Tongkat Ali. (7) What would happen if you injected synthetic testosterone.

This study (6) even indicates that Tongkat Ali is as safe as the placebo.

For these reasons, Tongkat Ali seems to be a safe alternative Testosterone Replacement Therapy (TRT) according to this study. (8)

Because Tongkat Ali has not been studied with pregnant women, breastfeeding women, children and people with medical conditions, we do not recommend the product for these target groups. The effect with medicines has not been studied. That is why it is important if you are taking medication to discuss this with your doctor first. In addition, intake is not recommended if you have heart and/or blood pressure problems.

In addition, it is best to take Tongkat Ali during a meal and not on an empty stomach to nausea to prevent. If this does not work, you can take Tongkat Ali later in the day around/after your dinner. You can also take it with fruit, fruit juice or another drink with a lot of sugar to prevent nausea.

Is Tongkat Ali useful for everyone?

Tongkat Ali can be a useful dietary supplement for adult men. However, it may work even better in men with diabetes lower testosterone levels. This is often the case in men over thirty to forty, because from this age the body's natural testosterone levels begin to decline. However, it is important to note that the response to Tongkat Ali may differ per person, just like with other nutritional supplements. Some will feel more effect than others.

How to use Tongkat Ali?

Most Tongkat Ali extracts contain a low amount of eurycomanone of 0 - 0.5%. If you use a Tongkat Ali extract with about 5% eurycomanone, we recommend taking about 200 to a maximum of 400 mg per day. We recommend using the following schedule; Take it for 5 days and don't take it for 2 days. So, for example, you can take it during the week and not during the weekend. In addition, we recommend stopping intake for one to two weeks every 2 - 3 months.

Where Can You Buy Tongkat Ali?

You can buy Tongkat Ali from various suppliers. However, see if you can find an extract that is standardized for the amount of eurycomanone. YAJU offers a Tongkat Ali Extract with a high amount of 5% Eurycomanone.

watch here our Tongkat Ali 5% Eurycomanone  



(1) https://pubmed.ncbi.nlm.nih.gov/23810842/

(2) https://jissn.biomedcentral.com/articles/10.1186/1550-2783-10-28

(3) https://pubmed.ncbi.nlm.nih.gov/23754792/

(4) https://aip.scitation.org/doi/pdf/10.1063/1.4991216

(5) https://bjsm.bmj.com/content/37/5/464

(6) https://pubmed.ncbi.nlm.nih.gov/23243445/

(7) https://pubmed.ncbi.nlm.nih.gov/21671978/

(8) https://onlinelibrary.wiley.com/doi/full/10.1111/and.12214saml_referrer#and12214-bib-00488