Does Tongkat Ali Really Work? Here is a Scientific Explanation

The general consensus from present human clinical studies showed that Tongkat Ali is effective in inducing health benefits for both men and women. As reported by Healthline and WebMD, most of Tongkat Ali’s wide range of health benefits are supported by scientific evidence from growing sample size of human studies.

But does Tongkat Ali really work in reality? And how effective is Tongkat Ali?

This article explains the science behind Tongkat Ali’s mechanism of action, its effect on hormones, and pathological pathways on how it works.


Scientific explanation:
  1. Tongkat Ali contains ingredients such as eurycomanone,  a family of quassinoids and alkaloids that work by activating hormone-inducing actions in our body.
  2. Tongkat Ali activates Luteinzing Hormones (LH) that stimulates the Leydig cells in your testicles to produce testosterone. In women, the Luteinizing Hormones (LH) triggers the creation of steroid hormones from the ovaries and that helps with the menstrual cycle and ovulation.
  3. Tongkat Ali decreases the sex hormone binding globulin (SHBG) which in turn, delivers higher production of testosterone. SHBG rises when your testosterone level is low.
  4. Only 1-2% of free “usable” testosterone are released in your body from the effects of Tongkat Ali.
  5. At the same time, Tongkat Ali reduces cortisol, the stress hormone that lowers the testosterone in our bodies.
  6. The mechanism of action simultaneously increases the production of “free testosterone” in our body.
  7. Therefore, increased free testosterone from Tongkat Ali provides more energy, improved mood, improved sexual libido, more sperm motility, stronger muscle growth, reduced body fat, increased immune system and reduction of stress.


Most studies measure Tongkat Ali’s efficacy in restoring the hormonal balance that contributes to key health parameters such as strength, body weight, testosterone, blood pressure, immune cells, erection, and sexual satisfaction. 

In reality, Tongkat Ali is not a magic pill and may not work like medicinal drugs with 99% efficacy. Present studies showed that the effectiveness of Tongkat Ali depends largely on dosage, weight, age, health status, lifestyle, and other underlying medical conditions.

In fact, pure Tongkat Ali root extract using the hot water extraction method is likely to be more effective and may work depending on the level of potency (i.e how strong the Tongkat Ali extract is).

We shall cover how Tongkat Ali works, which hormones are affected by it, and whether it actually works for most people.

Tongkat Ali: Mechanism of Action

Tongkat Ali benefits both men and women by optimizing the production of vital hormones in your glands, which are part of the endocrine system

Tongkat Ali supplementation plays a major influence on the primary endocrine system to enable optimal production of hormones, which is activated by signals produced in the hypothalamus (located in your brain). This makes Tongkat Ali an effective dietary supplement for adults with aging hormones as hormones are believed to be the pathways for optimal body functions.

How does Tongkat Ali work?

There are 6 steps behind the mechanism of action that illustrates how Tongkat Ali works in your body.

Step #1

Tongkat Ali activates Luteinizing Hormones (LH) that stimulate the Leydig cells in your testicles or ovaries to produce testosterone. This action is driven by the signals produced in the hypothalamus (i.e your brain) to send the message to the pituitary, adrenal and thymus glands to produce hormones.

Step #2

Tongkat Ali decreases the sex hormone binding globulin (SHBG) which in turn, delivers higher production of testosterone. SHBG rises when your testosterone level is low.

Step #3

Tongkat Ali boosts testosterone production by switching your body’s priorities away from catabolic (muscle-degrading) stress hormone production and shuttles resources into making anabolic (muscle-building) hormones such as testosterone. 

Step #4

Tongkat Ali enhances testosterone steroidogenesis at the Leydig cells by inhibiting aromatase conversion of testosterone to estrogen. At the same time, Tongkat Ali reduces cortisol, i,e the stress hormone that affects the production of testosterone in our body.

Step #5

Whilst Tongkat Ali balances the cortisol, it also helps to raise 5-dehydroepiandrosterone (DHEA).

Step #6

The mechanism of action work simultaneously to increase the production of “free testosterone”, which is the usable testosterone that your body needs.


Tongkat Ali is clinically tested to effect total testosterone, free testosterone, dehydroepiandrosterone (DHEA), DHT, estrogen, cortisol, dopamine, Luteinizing Hormone (LH), Follicle-Stimulating Hormone (FSH), T-cells, Naïve T-cells, CD4+ cells, uric acid, red blood cells, white blood cells, blood glucose level, and insulin levels.

Tongkat Ali’s adaptogenic properties play a major role in activating the hypothalamus that controls your pituitary glands, adrenal glands and thymus glands which helps in regulating your mood, increase sexual desire, reduce fat loss through increased metabolism, and helps support healthy fertility and libido.


Tongkat Ali benefits women in many ways through the activation of key reproductive hormones such as testosterone, cortisol and estrogen during various situations when your body needs the most.

Studies showed that women above 50, pre-menopausal, post-menopausal or those diagnosed with androgen deficiency may benefit from Tongkat Ali due to low levels of testosterone and estrogen. You may refer to the list of Tongkat Ali’s studies and clinical trials on women here.

Tongkat Ali works on men and women across 20-70 years to revitalize health, and keeping fit and balanced.

Does Tongkat Ali work?

Generally, Tongkat Ali work for most people based on two to six weeks of daily consumption. Whilst the sample size from past and present Tongkat Ali studies is less than 1,000 people worldwide, million of users who took Tongkat Ali supplements in the last 10 years reported some form of health benefits, directly or indirectly.

Our research (from online reviews across eCommerce platforms) revealed that at least 8 out of 10 users reported that Tongkat Ali improved their energy, libido and strength. Further anecdotal bloodwork by some users showed testosterone improvements between 20% to 80% after taking Tongkat Ali supplements for four to eight weeks.

However, there is a small percentage of users who claimed Tongkat Ali supplements did not work for them, with bloodwork showing reduction in testosterone after 40 days.

Does Tongkat Ali performs in the real world?

Our real-world tests examine Tongkat Ali’s effectiveness and how it performs after several weeks. Find out if it works for you too.

Tongkat Ali After 2 Weeks

41 year-old Don Verb from Texas (USA) reported he lost over 60 lbs whilst building lean muscle after taking Tongkat Ali supplement for two weeks. He added that Tongkat Ali supplementation gave him more energy, accelerated his body transformation and gave him a “better sense of well-being”.

Tongkat Ali After 4 Weeks

Former Uber driver James Goodman from Essex (UK) claimed that he wasn’t aware of the benefits of Tongkat Ali until he incorporated Tongkat Ali as part of his daily supplement stack which helped his libido and fueled his extra strength in his bodybuilding activities. 

Tongkat Ali After 6 Weeks

Don Verb (a.k.a Donald Pump) further shared his body transformation experience after taking Tongkat Ali for six weeks, with notable improvements reported in areas such as elevated energy, enhanced cardio progress and better sleep. 

Tongkat Ali After 10 Weeks

Dr. Chris shared his disappointing experience after taking Tongkat Ali for 40 days, claiming that Tongkat Ali did not increase his testosterone. In fact, he may have taken the wrong Tongkat Ali supplemented which resulted in testosterone of 29%.

Tongkat Ali: Effects on the Endocrine System & Health

Tongkat Ali helps in building a healthy endocrine system due to its unique bioactive ingredients such as eurycomanone, eurypeptides, saponin and proteins. Thus it works as a daily supplement to keep your reproduction system and immune system working optimally.

Tongkat Ali affects our sub-endocrine systems (eg: Male & Female Reproduction System, Immunology System, Central Nervous System) by restoring our hormones due to aging, insufficient nutrients and from years of poor diet.


Tongkat Ali root contains quassinoids and alkaloids, two bioactive compounds that activate hormone-inducing actions in your body that may work for most androgen deficiency adults.

Key bioactive ingredients of Tongkat Ali such as eurycomanone, eurypeptides, polysaccharide and glycosaponin are known for its adaptogenic properties, anti-cancer, anti-inflammatory and anti-microbial activities that protect your body from premature aging, enabling your body to function optimally.

Tongkat Ali (Eurycoma Longifolia) Bio-active ingredients



  • Eurycomanone is a major bio-active chemical found which is unique to Tongkat Ali plant.
  • It belongs to the quassinoid molecule family and has anti-plasmodial, anti-cancer, anti-HIV and other pharmacological benefits 


  • Polysaccharides are polymeric carbohydrates that are mainly used for storing energy and providing support to cells and tissues. 
  • Studies have shown that sulfate polysaccharides exhibit immunomodulatory, antitumor, anti-inflammatory, antimicrobial, and antiviral activities including anti-HIV infection, herpes, and hepatitis viruses.


  • Saponin, is widely used in vaccine formulations to regulate and protect our immune system.
  • Studies showed that saponin reduces cholesterol levels, kill disease-causing bacteria, scavenge oxidative stress and inhibit tumor growth. 


  • Tongkat Ali contains a natural plant-based protein that is safe and can be used to supplement our daily protein intake which helps in building muscle of post muscle recovery.

Does Tongkat Ali affect hormones?

Tongkat Ali affects our hormones by restoring hormonal balance in our endocrine system. Tongkat Ali affects mostly hormones that are produced by the hypothalamus, thymus, adrenal glands, testes, ovaries, pituitary glands and in kidneys too. 

Where the hormone is produced

Hormone(s) secreted

Does Tongkat Ali impact the hormone?

Adrenal glands


Yes. Direct Impact


Testes (testicles)


Yes. Direct Impact




Yes. Direct Impact




Yes. Direct Impact


Pituitary gland

Adrenocorticotropic hormone (ACTH)

Yes. Possible Indirect Impact

Pituitary gland

Growth hormone (GH)

Yes. Direct Impact

Pituitary gland

Luteinizing hormone (LH) and follicle-stimulating hormone (FSH)

Yes. Direct Impact


Renin and angiotensin

Yes. Direct Impact


It inhibits ACE receptor-which controls vasoconstriction and therefore blood pressure





Yes. Possible Indirect Impact




Yes. Direct Impact




Gonadotropin releasing hormone (GnRH)

Yes. Possible indirect impact (since report of decrease in LH and FSH)



Corticotropin releasing hormone (CRH)

Yes. Possible indirect impact (since cortisol reduce and testosterone increase)



Humoral factors

Yes. Possible indirect impact (since it improves immunity by increasing lymphocytes)


Which hormones are most affected by Tongkat Ali?

Hormones are chemical substances that affect the activity of another part of the body or your organs. Bioactive compounds from Tongkat Ali keeps our hormone healthy in our bloodstream, and stimulate our organs to ensure our body function optimally.

Experts believed that there are more than 200 hormones in our body, working harmoniously with different roles as messengers


The word “hormone” originates from the Greek word hormao meaning “I excite”. It refers to it’s inherent biological function which excites or stimulates a particular part of the body. In fact, The term ‘hormonal’ has become synonymous with ‘mood,’” says Dr. Epstein. While hormones do affect mood, they do much more in the body than that.

Here are key hormones that are produced in our respective organs and Tongkat Ali supplementation affects majority of these hormones including testosterone, cortisol and others.






Testosterone is responsible for the characteristics of the masculine body, including hair growth on the face and body and muscle development. Testosterone is essential for the production of sperm, libido, mood and also acts to strengthen bones



Cortisol has a number of functions. It promotes normal metabolism, maintains blood sugar levels and blood pressure, provides resistance to stress and acts as an anti-inflammatory agent.  It also plays a part in regulation of fluid balance in the body.



Thyroxine controls many body functions, including heart rate, temperature and metabolism. It also plays a role in the metabolism of calcium in the body. 



Oestrogen facilitates growth of the tissues of the sex organs and other tissues related to reproduction. Oestrogen also acts to strengthen bones and has a protective effect on the heart. 



Progesterone promotes the changes in the uterus that occur in preparation for the implantation of a fertilised ovum and prepares the breasts for milk production. 

Tongkat Ali and Luteinising Hormone. Here how it works

At the epicenter of Tongkat Ali’s hormone-inducing mechanism, you may have heard from Dr. Andrew Huberman about how the testosterone production in our body is activated by a hormone known as Luteinising Hormone (LH).

Luteinizing hormone (LH) is a glycoprotein hormone which is co-secreted along with Follicle Stimulating Hormone (FSH) in the adenohypophysis (anterior pituitary).

Tongkat Ali helps the release of LH and FSH from your testis (for men) and ovaries (for women) from your pituitary glands. This explains why Tongkat Ali works for men’s libido and fertility in most cases with mild to moderate results.

According to, LH and FSH are hormones that help your reproductive system and this widely accepted view is supported by urologists, andrologists and endocrinologists. Tongkat Ali’s effect on LH and FSH is viewed favorably by Dr. Andrew Huberman, who positioned Tongkat Ali as an effective natural testosterone supplement in his various podcasts and interviews.

Here is a step-by-step explanation of what happens when LH and FSH hormones are activated.

Here is how Tongkat Ali works on men and women.
  1. LH causes the Leydig cells of the testes to produce testosterone in men.
  2. LH triggers the creation of steroid hormones from the ovaries in women. Additionally, LH assists in regulating the length and order of the menstrual cycle by playing roles in both ovulation and implantation of an egg in the uterus.

How does Tongkat Ali work to increase your testosterone?


Tongkat Ali testosterone-restoring capability directly improves male reproductive system by increasing your body’s free testosterone bioavailability via the following main mechanisms.

  • Stimulating the secretion of Luteinzing Hormones (LH) which in turn stimulates the Leydig cells of your testicles to produce testosterone.
  • Reducing the conversion of Testosterone to Estrogen (aromatization),
  • Decrease in sex hormone binding globulin (SHBG)
  • Reduction in cortisol, the stress hormone that lowers testosterone

Tongkat Ali supplementation produces testosterone at the right amount, or when you need it the most, for your body to function optimally. The testosterone is produced in testes for men, and in the ovary and adrenal gland in women.

In fact, testosterones are produced in different quantities by the Luteinizing Hormone (LH), which are activated from the bio-active compounds contained in Tongkat Ali roots.


Getting your body to produce more testosterone from Tongkat Ali supplementation depends largely on other factors such as your BMI, age, eating habits, health condition, exercises and other lifestyle factors.

That’s the reason dosing is an important factor in ensuring Tongkat Ali works for you. For instance, adults weighing more than 75kg may require 200mg to 400mg of Tongkat Ali daily, and if you are training daily, you may require higher dosage to get the most benefit if you are chasing for muscle growth or weight loss.

Which type of Tongkat Ali works best for health?

Although there are sufficient clinical tests to support the evidence that Tongkat Ali actually works to boost or restore testosterone levels or improve libido, however, limited studies showed only clinically tested yellow Tongkat Ali extract is effective in inducing the claimed health benefits.

In fact, clinically tested Tongkat Ali supplements that use standardized hot water extract are generally superior, and perform better compared to mass-produced ethanol-based Tongkat Ali extract.

For Tongkat Ali to work, it is best to avoid non-clinically tested products or supplements that use generic non-standardized extract.

The mechanism of how Tongkat Ali work is by restoring normal testosterone levels by increasing the release of free testosterone from its binding hormone, the sex hormone-binding globulin.


Clinically tested Tongkat Ali supplements are conducted by qualified scientists and reviewed by medical professionals to assess their efficacy (i.e ability to induce testosterone increase) across a wide range of patients with various demographics and health conditions.

Clinical tests are performed to assess either of the following categories:

  • Empirical evidence for any increase in your salivary testosterone after consuming Tongkat Ali
  • The result of the increase in testosterone (i.e functional health outcome) – i.e whether it increase muscle strength, muscle growth, sperm motility, erection, mood and other health benefits.

Does Tongkat Ali supplements work the same way?

Each Tongkat Ali supplement has its own formulation and each of its individual ingredients may deliver different results. High-quality sourced Tongkat Ali extracts such as AKARALI have 10x more potency that works for testosterone, libido and muscle growth. 

Whilst there are mixed reports of testosterone blood tests on Reddit, the net benefits that one may gain point to the level of potency of Tongkat Ali extract used, the addition of fillers or the existence of contaminants that may distort the purity and efficacy.

Low-quality Tongkat Ali extracts are rampant in the industry and the one used in Solaray Tongkat Ali may not work to deliver the intended benefits despite being GMP-certified and lab-tested for heavy metals.

The best way to check if Tongkat Ali works for you is by performing bloodwork or a testosterone test at your nearest clinic.


Here is a real-life review of Tongkat Ali showing a testosterone test result over a period of 10 days. The editor compared two testosterone tests after consuming two Tongkat Ali products:

Testosterone Result
After Consuming Tongkat Ali Tea (5days)


Testosterone Result
After Consuming Tongkat Ali Supplement (5days)


The result of consuming the Tongkat Ali supplement showed an increase in testosterone level (from 12.50 to 16.33 nmol/L) in five days.

So, if you are consuming a pure Tongkat Ali supplement, you can expect improvements between 5 to 30 days.

And since there are many Tongkat Ali products sold on Amazon today, you may want to choose high-quality Tongkat Ali hot water extract supplements to get the best testosterone boost.


Tongkat Ali does work exceptionally well, or it may exceed your expectations under two conditions:

  1. you are using a quality standardized hot water root extract.
  2. you are exercising regularly at least 3 times a week (resistance training, HIIT or cardio exercises)


There are many reasons why Tongkat Ali did not or may not work on you. Possible reasons include lack of regular exercise, quality Tongkat Ali extract, excessive smoking or drinking, lack of sleep and obesity.

Refer to our guide on nine possible reasons why Tongkat Ali may not work for you.

Tongkat Ali does work to revitalize health?

Generally, if your goal is to achieve overall revitalization or to prevent early aging symptoms related to hormone deficiencies, then Tongkat Ali works as an ideal supplement.

The fact that Tongkat Ali works well to restore key hormones such as testosterone, the positive effect on health can be seen in the following areas:

  • Sperm production
  • Genital Transformation
  • Muscle mass and growth
  • Behavioral Traits (eg: competitive spirit)
  • Higher Metabolism 
  • Mood balance


Since Tongkat Ali has proven scientifically to increase the production of testosterone through Luteinising Hormone (LH), you can enjoy great health benefits and can read more about it on here

So, what it means to you is the following:

If your testosterone is restored or increased by natural plant-based approach such as Tongkat Ali, you can enjoy the health benefits from improved functions in any of the areas stated above.

The result of health benefits from Tongkat Ali’s inherent mechanism in producing testosterone are as follows:

  1. Increases physical and mental energy
  2. Boosts sports performance
  3. Helps maintain a healthy anabolic/catabolic balance
  4. Helps reduce fatigue and improves sleep quality
  5. Encourages hormonal balance and healthy cortisol levels
  6. Helps maintain normal high free testosterone levels in men
  7. Encourages overall well-being and hormonal health
  8. Enhances libido, fertility and sexual function
  9. Assists in sustaining healthy weight levels and BMI
  10. Promotes androgen biosynthesis


Does Tongkat Ali work instantly?

Tongkat Ali is not a medicinal synthetic drug and due to the nature of it being a natural plant-based supplement, it takes time to work. Despite its longer reaction time, some users reported that Tongkat Ali works within a few hours after first consumption while others reported measurable increase in testosterone or immune system after twelve weeks.


It is common to hear “I feel more energetic the next morning”, or “I feel younger again” from consumers consuming Tongkat Ali.

Based on most Tongkat Ali studies, it takes two to four weeks of continuous daily consumption of 200 mg per day before you can notice any significant improvements in energy and stamina.

But for those who are regularly exercising 3 times per week, expect faster improvements within less than 2 weeks.

You may greatly benefit from an improved libido and sperm production over a period of 4 to 12 weeks. 

Does Tongkat Ali work if you are less active?

Tongkat Ali may not work as effectively as it should be if you are not exercising regularly (at least 3 times per week) or if you have a sedentary lifestyle. Therefore, you may not gain optimal testosterone increase from taking Tongkat Ali supplements.

However, Tongkat Ali may still work with mild to moderate effects on mood, as continuous daily consumption of Tongkat Ali at 200mg daily showed a mild stress reduction of 10-15% due to the reduction of cortisol (stress hormones).

Does Tongkat Ali work for sports or bodybuilding?

If you are into bodybuilding or sports, Tongkat Ali may work to boost muscle strength and lean muscle mass development if taken at a higher dosage between 400mg to 600mg daily with regular high-intensity workouts, weight training and or heavy lifting.

Tongkat Ali may work better well when mixed with Fadogia Agrestis, Turkesterone and other herbal supplements. However, please be aware on the potential side effects and please consult your nearest healthcare professional before consuming Tongkat Ali beyond the recommended dosages.


Taking Tongkat Ali helps you restore testosterone and cortisols, two key vital hormones if you are into high-endurance sports.

It is the best sports supplement that works well as a pre-workout and post-workout for faster recovery.

For athletes, sports professionals, and bodybuilders, studies have shown Tongkat Ali promotes muscle growth, reduces body fat, and increases anaerobic performance and overall energy.

Expect multi-pronged benefits from Tongkat Ali as summarized below:

There are many reasons why Tongkat Ali is the preferred pre-workout and post-workout drink and most of it are backed by scientific evidence.

You may opt for intermittent fasting, a plant-based diet,  and exercise. It is one of the best tips from nutritionists if you want Tongkat Ali to work the best for you.

Parting Thoughts

Growing clinical human studies and consumer reviews reinforce Tongkat Ali’s effectiveness and benefit to health. Whilst it may work for most people, it does not mean it will work for everyone. 

To increase the likelihood that Tongkat Ali may work for you or optimal results, choosing quality Tongkat Ali with standardized hot water extract with regular exercises may result in better health gains and minimal side effects.

If you have more questions, we have prepared a list of Tongkat Ali Frequently Asked Questions (FAQs) here.

Till then, choose wisely and stay safe!

Naressa Khan contributes regularly on AKARALI. As a writer and journalist, Naressa specializes in nutrition, natural supplement and wellness. With this approach always in mind, she eagerly explores the nuances in life via the aspects of lifestyle, culture, travel, health, and wellness.

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13 Responses

  1. I’ve been consuming tongkat ali for almost a year no. Yes, tongkat ali does work for me. Just within a month i can feel the difference. Overall, i feel more energetic physically and mentally. Just be sure to opt for the best quality tongkat ali.

  2. Having the right amount of energy and testosterone are important for a ‘sports freak’ like me. Since taking tongkat ali my performance in sports have been improved meaning that tongkat ali does work effectively. The best part is that it can be mixed with coffee.

  3. Tongkat ali was introduce to me by a friend who understands my struggle with fatigue. 5 months after taking tongkat ali i can say that i’m feeling fatigue a lot less and at the same time it improved my sleep quality. So, yes, it does work for me.

  4. Took tongkat ali as a pre workout supplement after it was suggested by a mate. The effect from this is that i’m able to exercise longer and more intense as it gave me a boost of energy. It also helped me in maintaining my BMI. I must say, it worked perfectly for me.

  5. Few months back i’ve been taking tongkat ali and i must say, it felt great. After couple of weeks, i can get more stuff done during the day and can still go on…plus, I don’t fell so exhausted after a long day at the office. My libido and sexual drive have been increase exponentially. So far, i’m not experiencing any side effect from this. Good stuff!

  6. I would really recommend using tongkat ali as a supplement. I consume quality and genuine Tongkat Ali in the form of capsules or mixed it with coffee sometimes. Yeah it will ruin the taste of coffee with its bitterness LOL. So far I’m on week two, I can tell the difference where I definitely feel less lethargic and doesn’t go straight to bed after work.

  7. I bought Tongkat Ali numerous times. I was very impressed by the effect it had on my training. I felt more energetic everytime I woke up in the morning. The muscle recover much faster and I could train more days instead of waiting for the muscle to recover.

  8. I would say that after more than 2years using Tongkat Ali , the results have been good to very good. I am 64 and have literally never had a problem with sexual performance and I am not aware of any side effects (I do have a pretty sexy wife, though). I’ve not experienced any weight loss – as has been noted in some descriptions- but that was never the main reason for my purchase anyway.

  9. I have used Tongkat Ali to enhance my sexual activity and libido. Overall I have been very pleased with the effects of this product. My first cycle was on for about 2 weeks and I felt how I have more energy during the day and that I needed less sleep during the night. After week 3 I could feel a real boost and the result was that I had a strong increase in my libido and my sexual activity. After 6 weeks I stopped for 1 week and started over with my cycle again. So far I still feel the same great results as when taken for the first time, this product has been working great for me so far.

  10. Tongkat ali is one of the best pre workout supplement i’ve ever taken. It helped improves your performance and give you a boost of energy that helped to push further. It also help with muscle mass. Tongkat ali work for me and i would suggest it to others.

  11. I have started taking Tongkat Ali a few months ago, and I feel energised and more active physically and intellectually. I’m positive it is one of the best herbal supplement in the market today. what’s amazing about Tongkat Ali is that it can be taken with tea or coffee or even as a pre-workout source of energy.

  12. I have tested Tongkat ali 400mg extensively for 5+ months. The first 60 days were perfect hand grip strength went from 145lbs x10 to 197lbs x 22 in 3 months. BUT! Heart palpitations showed itself at day 60, I took 3 weeks breaks until all palpitations subsided. Only for the palpitations to return after 13 days on Tongkat again. This I reproduced twice like clockwork 2-3 weeks off and on day 13 heart palpitation start. So yes there is benefits but it duplicated what TRT Gel does at 13 days increased red blood cells. I see no studies stating this or any feedback from anyone stating this but should be mentioned as a possibility. I logged all of my data on amazon Tongkat Ali 400mg from Solaray.

  13. thanks for your blog!
    Although the effects of tongkat Ali on free testosterone have repeatedly been shown in studies, there are few (if any) randomized controlled trials (RCT) that tested its effect on muscle hypertrophy or strength gains. Although there seems to be evidence that tongkat Ali mimics (elements of) testosterone replacement therapy I have not been able to find an RCT that shows significant gains in muscle hypertrophy or (peak) strength.

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