A Comprehensive Guide to Longjack: 50 Top Questions

Navigating the intricacies of Longjack (Tongkat Ali), a widely discussed herb, can be a complex task. With its potential benefits and diverse applications, it’s important to have a reliable source of information at your fingertips. In this article, we aim to provide clarity and insights by addressing 50 of the most pressing questions about Longjack, empowering you with the knowledge you need to make informed decisions about its use.

Longjack: 50 Questions & Answers

What is Longjack?

Longjack, also known as Tongkat Ali, is a medicinal plant native to Southeast Asia, particularly found in countries like Malaysia, Indonesia, and Thailand. It is renowned for its various health benefits, particularly its potential to boost testosterone levels and enhance overall vitality. Longjack has gained popularity in recent years as a natural supplement for improving sexual health and physical performance.

What is the scientific name of Longjack?

The scientific name of Longjack is Eurycoma longifolia. This botanical name is commonly used in scientific literature and helps to accurately identify the specific plant species being referred to.

Does Longjack have other common names?

Yes, Longjack is known by several other common names depending on the region. Apart from Tongkat Ali, it is also called Pasak Bumi in Indonesia and Malaysian Ginseng due to its widespread use in traditional medicine for its energy-boosting properties.

What is Longjack’s traditional and modern medicinal use?

Longjack has a rich history of traditional use in Southeast Asian folk medicine. It has been used to address various health issues, including promoting libido, reducing fatigue, and improving overall vitality. In modern times, Longjack is often sought after for its potential as a natural testosterone booster. It is used by individuals looking to enhance athletic performance, increase muscle mass, and support sexual health.

What nutrients (vitamins, minerals, antioxidants, etc.) does Longjack contain?

Longjack contains a range of bioactive compounds, including alkaloids, quassinoids, and flavonoids. While it doesn’t provide significant amounts of vitamins or minerals, it is prized for its potential to improve hormone balance and increase energy levels. Some studies suggest that Longjack may have antioxidant properties, helping to combat oxidative stress in the body, but further research is needed to fully understand its nutritional profile and health benefits.

Find the Best Longjack Products

Thousands of customer reviews are available to help you make the right choice. Embrace the power of nature!

Are there any potential side effects associated with Longjack?

Longjack is generally considered safe when used in moderate amounts. However, like many supplements, it may cause some side effects in certain individuals. These potential side effects include insomnia, restlessness, increased heart rate, and anxiety. These effects are more likely to occur when Longjack is taken in excessive doses. It’s important to follow the recommended dosage guidelines to minimize the risk of side effects.

The recommended dosage of Longjack can vary depending on the product and its concentration. In general, a standard dose for Longjack extract is about 200-300 milligrams per day. However, it’s crucial to follow the specific dosing instructions provided on the product label or by a healthcare professional. Starting with a lower dose and gradually increasing it can help assess how your body responds to Longjack and minimize the risk of adverse effects.

Is Longjack safe for pregnant or breastfeeding women?

Pregnant and breastfeeding women should exercise caution when considering Longjack supplementation. There is limited research on its safety during pregnancy and lactation, so it’s advisable to consult a healthcare provider before using Longjack in these situations. To err on the side of caution, it’s often recommended for pregnant and breastfeeding women to avoid Longjack or any other herbal supplements unless advised otherwise by a healthcare professional.

Can children safely consume Longjack?

Longjack supplements are generally intended for use by adults. There is insufficient research to determine the safety and appropriate dosage of Longjack for children. It’s advisable to avoid giving Longjack or similar supplements to children unless specifically recommended and monitored by a pediatrician or healthcare expert.

How should Longjack be prepared or consumed (e.g., tea, tincture, capsules, tablets)?

Longjack is available in various forms, including capsules, tablets, powder, and tinctures. The most common and convenient way to consume Longjack is through capsules or tablets, as they provide standardized doses. However, if you prefer a more traditional approach, you can make Longjack tea by steeping the root in hot water. Tinctures are also available and can be taken in drop form. The choice of preparation method largely depends on personal preference and the product’s availability, but it’s important to follow the recommended dosage guidelines for the specific form you choose.

Are there any contraindications or health conditions that Longjack may worsen?

Longjack, also known as Tongkat Ali, is generally considered safe when used as directed. However, individuals with certain health conditions should exercise caution. Longjack may lower blood sugar levels, so people with diabetes should monitor their glucose levels closely when using it. Additionally, Longjack may have a mild stimulant effect, so individuals with anxiety or sleep disorders should consult a healthcare professional before taking Longjack supplements.

Where is Longjack usually sourced or cultivated?

Longjack, or Tongkat Ali, primarily grows in Southeast Asian countries, including Malaysia, Indonesia, Thailand, and Vietnam. These regions provide the ideal climate and soil conditions for Longjack cultivation. The plant’s roots are the most valued part and are harvested for their medicinal properties.

Yes, Longjack is legal to possess and use in the United States. It is not classified as a controlled substance, and it is available as a dietary supplement. However, it’s essential to purchase Longjack supplements from reputable sources to ensure product quality and safety.

Are there any known allergens in Longjack?

Longjack itself is not known to contain common allergens, making it generally safe for most people. However, some individuals may experience allergic reactions to other components in Longjack supplements, such as fillers or additives. If you have known allergies or sensitivities to herbal supplements, it’s advisable to check the product’s ingredient list carefully and consult with a healthcare professional if you have concerns.

May Longjack supplements contain contaminants like pesticides or heavy metals?

Longjack supplements can vary in quality, and some may contain contaminants like pesticides or heavy metals if not properly sourced and tested. To ensure you’re getting a safe product, choose Longjack supplements from reputable manufacturers who adhere to strict quality control standards. Look for products that have undergone third-party testing for purity and contaminants, and consider consulting with a healthcare professional for guidance on selecting a safe and effective Longjack supplement.

Are there any known long-term effects of using Longjack?

The long-term effects of using Longjack can vary among individuals. While it’s generally considered safe for short-term use, there’s limited research on its long-term effects. Some users have reported benefits such as improved energy and libido, but more studies are needed to fully understand its effects over extended periods. It’s advisable to consult a healthcare professional before considering long-term use.

Do Longjack supplements have a specific shelf life or expiration date?

Longjack supplements typically have a shelf life or expiration date mentioned on the packaging. It’s crucial to follow these guidelines to ensure the product’s effectiveness and safety. Using expired supplements may result in reduced potency and effectiveness.

What is the best time of day to take Longjack?

There isn’t a specific “best” time of day to take Longjack that applies to everyone. The timing can vary based on individual preferences and lifestyle. Some people prefer taking it in the morning to boost energy, while others may take it before physical activity. Experiment and find a time that works best for you, but avoid taking it too close to bedtime, as it might interfere with sleep for some individuals.

Should Longjack pills be taken with food or on an empty stomach?

Whether you should take Longjack pills with food or on an empty stomach can depend on personal preference and tolerance. Some people experience mild gastrointestinal discomfort when taking it on an empty stomach, so having it with a small meal can help mitigate this. However, others may find that taking it on an empty stomach provides a more immediate effect. Start with a low dose and adjust based on how your body responds.

Are there any dietary restrictions or guidelines while using Longjack?

While there are no strict dietary restrictions associated with Longjack, maintaining a balanced and healthy diet can complement its potential benefits. Avoid excessive alcohol consumption and consider increasing your intake of water and antioxidant-rich foods for overall well-being. It’s always wise to consult with a healthcare professional for personalized guidance based on your specific dietary needs and health goals.

The recommended duration of use for Longjack, also known as Tongkat Ali, can vary depending on individual needs and goals. Typically, it is advisable to use Longjack in cycles. A common approach is to take it for 8 to 12 weeks, followed by a break of 2 to 4 weeks. This cycling helps prevent your body from developing a tolerance to the herb and maintains its effectiveness.

Is it advisable to consult a healthcare professional before using Longjack?

Yes, it is advisable to consult a healthcare professional before using Longjack, especially if you have underlying health conditions or are taking medications. Longjack can interact with certain medications or exacerbate certain medical conditions, so getting professional guidance is essential to ensure your safety and optimize the benefits.

Are there any special precautions for storing Longjack supplements?

Longjack supplements should be stored in a cool, dry place, away from direct sunlight and moisture. It is crucial to follow the storage instructions provided on the product label. Generally, keeping them in an airtight container or the original packaging can help preserve their potency and shelf life.

How does Longjack taste, and can it be mixed with other herbs or foods for palatability?

Longjack itself has a bitter and earthy taste, which many find quite strong and not very palatable. To improve the taste, you can mix it with other herbs or foods, such as honey, tea, or fruit juices. This can make it more pleasant to consume while still reaping its potential benefits.

What other supplements work well together with Longjack?

Longjack, also known as Tongkat Ali or Eurycoma longifolia, is often used for its potential benefits in enhancing male vitality and overall well-being. When combining Longjack with other supplements, it’s essential to consider your specific health goals. Here are some supplements that may complement Longjack:

  • Fenugreek: Combining Longjack with Fenugreek may support testosterone levels and improve overall male health. Fenugreek is known for its potential to boost libido and aid in muscle development.
  • Tribulus Terrestris: Tribulus is another herb that is often used in conjunction with Longjack to support healthy testosterone levels and sexual health.
  • Ashwagandha: Ashwagandha is an adaptogen that can help manage stress and promote overall vitality. Combining it with Longjack may offer a balanced approach to well-being.
  • L-Arginine: L-Arginine is an amino acid that supports healthy blood circulation and may enhance the benefits of Longjack in terms of physical performance and sexual health.
  • Maca Root: Maca is a well-known aphrodisiac and energy booster. When combined with Longjack, it can enhance libido and overall vitality.
  • Zinc: Zinc is a mineral that is crucial for the production of testosterone. Supplementing with zinc alongside Longjack can support hormonal balance.
  • L-Citrulline: L-Citrulline is another amino acid that supports nitric oxide production, which can help improve blood flow. It may complement the physical performance benefits of Longjack.
  • B Vitamins: B vitamins are essential for overall health and energy metabolism. They may enhance the vitality-boosting effects of Longjack.

Is there any scientific research or clinical evidence supporting Longjack’s effectiveness?

Scientific research on Longjack, also known as Tongkat Ali (Eurycoma longifolia), has shown promising results in various studies. It is primarily known for its potential benefits in improving male reproductive health, such as increasing testosterone levels. Some studies suggest that Longjack may have positive effects on libido, fertility, and muscle strength. However, it’s essential to note that not all studies have yielded consistent results, and more research is needed to confirm its effectiveness fully.

Find the Best Longjack Products

Thousands of customer reviews are available to help you make the right choice. Embrace the power of nature!

Are there any age restrictions for using Longjack (e.g., suitable for the elderly)?

Longjack is generally considered safe for most adults when taken at recommended dosages. However, there is no specific age restriction for its use, and it can be consumed by individuals of all ages, including the elderly. As with any supplement, it’s advisable to consult with a healthcare professional, especially if you have pre-existing medical conditions or are taking medications, to ensure it’s safe for your specific situation.

Does Longjack require a specific preparation method, such as decoction or infusion?

Longjack can be consumed in various forms, including capsules, extracts, and powders, making it convenient for users. It doesn’t necessarily require a specific preparation method like decoction or infusion, unlike some herbs. The most common way to take Longjack is by following the manufacturer’s dosage instructions provided on the product label. Users can typically take it with water or a beverage of their choice.

Can Longjack be used topically (externally) in addition to internal consumption?

While Longjack is primarily used as an internal supplement, there is limited evidence to suggest that it can also be used topically in some cases. Some individuals apply Longjack extract or oil to their skin for potential benefits such as improving skin health and reducing inflammation. However, its topical use is less common compared to internal consumption, and more research is needed to determine its efficacy in this regard.

Are there any known symptoms of overdose or excessive use of Longjack?

Excessive use of Longjack may lead to adverse effects, although it is generally considered safe when used as directed. Common symptoms of overdose or excessive use may include restlessness, insomnia, increased heart rate, and anxiety. It’s crucial to adhere to recommended dosages and consult a healthcare professional if you experience any unusual or severe symptoms while using Longjack. As with any supplement, moderation is key to ensure its safe and effective use.

What is Longjack’s mode of action within the body?

Longjack (Tongkat Ali) exerts its mode of action in the body primarily through the enhancement of testosterone production. It contains bioactive compounds like eurycomanone and quassinoids, which stimulate the release of luteinizing hormone (LH) from the pituitary gland. LH, in turn, signals the testes to produce more testosterone. This increase in testosterone levels can lead to various physiological effects, including improved muscle growth, increased libido, and potential benefits for mood and energy levels.

Are there any known synergistic effects when Longjack is combined with specific nutrients?

Yes, Longjack has been studied in combination with specific nutrients to explore potential synergistic effects. For instance, when combined with fenugreek extract, it has shown promising results in enhancing muscle strength and improving body composition. Additionally, some research suggests that combining Longjack with ashwagandha may have a synergistic impact on stress reduction and overall vitality. However, it’s essential to consult with a healthcare professional before starting any supplementation regimen, especially when combining different supplements.

Does Long Jack have a distinct aroma or essential oil that may have therapeutic benefits?

Long Jack does not possess a distinct aroma or essential oil commonly associated with aromatherapy or therapeutic use. Its therapeutic properties are primarily attributed to its bioactive compounds that affect hormone regulation and various physiological processes rather than any aromatic components.

Are there any cultural or historical uses of Longjack that should be considered?

Longjack has a rich cultural and historical background, particularly in Southeast Asia, where it is native. Traditionally, it has been used as an herbal remedy to improve energy levels, enhance male virility, and alleviate various age-related ailments. It is also considered an aphrodisiac in some cultures and has been used to address sexual health issues.

Does Longjack have any spiritual or ceremonial significance in certain traditions?

While Longjack does not have a specific spiritual or ceremonial significance in most traditions, it holds cultural importance in regions where it grows. In some indigenous communities in Southeast Asia, Longjack has been revered for its potential to improve vitality and overall well-being. However, it is not commonly associated with spiritual rituals or ceremonies in the same way that other plants or herbs might be.

Are there any variations in Longjack’s potency based on its geographic origin?

Yes, the potency of Longjack, also known as Tongkat Ali (Eurycoma longifolia), can vary based on its geographic origin. The plant’s active compounds, such as quassinoids, can be influenced by environmental factors like soil quality, climate, and cultivation methods. Generally, Longjack from certain regions, like Malaysia and Indonesia, is considered to be of higher quality and potency.

Does Longjack have a known effect on specific organs or body systems?

Longjack has been studied for its effects on various organs and body systems. It is primarily known for its potential to boost testosterone levels, which can have an impact on muscle mass, sexual function, and mood. Additionally, Longjack may have benefits for overall energy and vitality. However, its effects can vary among individuals, and more research is needed to fully understand its impact on specific organs and body systems.

Are there any known interactions of Longjack with commonly prescribed medications?

Longjack may interact with certain medications, particularly those that affect hormone levels or blood sugar. It’s important to exercise caution when using Longjack alongside medications like diabetes drugs, hormone replacement therapy, or blood thinners. Consultation with a healthcare professional is advisable if you are taking prescription medications and considering Longjack supplementation.

What are the potential benefits and risks of long-term or chronic use of Longjack?

Long-term or chronic use of Longjack should be approached with caution. While some individuals use it continuously, there is limited research on the safety and efficacy of extended use. Potential benefits of long-term use may include sustained testosterone support and improved vitality. However, it’s essential to monitor for any adverse effects and consult with a healthcare provider for guidance, especially if using Longjack for an extended period.

Is it advisable to cycle on and off Longjack to prevent tolerance or dependence?

Cycling on and off Longjack can be a sensible approach to prevent tolerance or dependence. This practice involves taking breaks from Longjack supplementation to allow the body to reset and potentially enhance its responsiveness to the herb. Common cycling patterns involve taking Longjack for several weeks, followed by a break of equal duration. This strategy may help maintain the effectiveness of Longjack over time and reduce the risk of desensitization to its benefits. However, individual responses can vary, so it’s advisable to consult with a healthcare provider to determine the most suitable cycling regimen based on your specific needs and goals.

Are there any precautions regarding driving or operating machinery while using Longjack?

While Longjack, also known as Tongkat Ali, is generally considered safe for consumption, it can sometimes lead to increased energy levels and improved mood, which might affect your alertness. Therefore, it’s advisable to exercise caution when driving or operating heavy machinery, especially if you are new to Longjack or taking higher doses. To be safe, it’s recommended that you assess your reactions to Longjack first before engaging in activities that require full concentration.

No specific dietary restrictions are associated with Longjack consumption. However, to maximize its potential benefits, maintaining a healthy lifestyle is always advisable. This includes a balanced diet, regular exercise, and adequate sleep. Additionally, staying hydrated can help ensure that Longjack is effectively absorbed by your body. Some users also prefer to take Longjack with food to minimize the possibility of stomach discomfort.

Does Longjack have any specific recommendations for addressing common side effects?

Longjack is generally well-tolerated, but like any supplement, some individuals may experience mild side effects such as restlessness, increased heart rate, or insomnia, especially when taking high doses. If you encounter such side effects, it’s recommended to lower your dosage or discontinue use temporarily. Additionally, if you have any pre-existing medical conditions or are taking medications, consult with a healthcare professional before using Longjack to ensure it won’t interact negatively with your current regimen.

Are there any known variations or subspecies of Longjack with different properties?

Yes, Longjack, or Tongkat Ali, is known to have several subspecies, and the properties can vary slightly between them. For instance, Eurycoma longifolia, the most commonly used subspecies, is well-known for its potential to boost testosterone levels and enhance sexual performance. On the other hand, Eurycoma apiculata, another subspecies, is used more for its anti-inflammatory properties. It’s crucial to choose a Longjack product derived from the specific subspecies that aligns with your desired outcomes.

Does Longjack have any documented cases of misuse or abuse?

Longjack itself is not typically associated with misuse or abuse. However, like many supplements, there is the potential for individuals to take excessive doses in the belief that more is better. This can lead to unwanted side effects. To avoid misuse, it’s essential to follow recommended dosage guidelines and consult with a healthcare professional if you have any concerns about Longjack’s use. Always purchase Longjack from reputable sources to ensure product quality and authenticity.

Is Longjack regulated or approved for medicinal use in the United States?

Longjack, also known as Tongkat Ali or Eurycoma longifolia, is not regulated or approved for medicinal use by the U.S. Food and Drug Administration (FDA). It is classified as a dietary supplement, and its sale is subject to FDA regulations governing such products.

Are there any known interactions of Longjack when combined with other medicinal herbs?

Longjack’s interactions with other medicinal herbs are not extensively documented. However, caution is advised when combining it with herbs that may affect hormonal balance or blood pressure, such as ginseng or saw palmetto. Consultation with a healthcare professional is recommended before combining Longjack with other herbs or supplements.

How does Longjack’s preparation or dosage change for acute versus chronic conditions?

The preparation and dosage of Longjack can vary depending on whether it is used for acute or chronic conditions. For acute concerns like fatigue or stress, a lower dose may be sufficient, typically ranging from 100-200 mg of a standardized extract. For chronic conditions or libido enhancement, a higher dose, around 200-400 mg daily, may be considered. It is essential to follow the recommendations provided on the product label or consult a healthcare provider for personalized guidance.

Find the Best Longjack Products

Thousands of customer reviews are available to help you make the right choice. Embrace the power of nature!

Are there any known withdrawal symptoms when discontinuing the use of Longjack?

There are no well-documented withdrawal symptoms associated with discontinuing the use of Longjack. However, some individuals may experience a gradual decrease in the benefits they were receiving while using the supplement. It’s essential to note that Longjack is not habit-forming, and any perceived effects upon discontinuation are generally mild and temporary.

What are the best supplement brands of Longjack?

The quality of Longjack supplements can vary between brands. To ensure the highest quality and purity, it’s advisable to choose reputable brands that undergo third-party testing for quality and potency. Some well-regarded brands in the market include NOW Foods, Source Naturals, and Nature’s Way. Always check for certifications and read product reviews to make an informed choice based on your specific needs. Additionally, consult with a healthcare professional for personalized recommendations on selecting the right brand and dosage for your health goals.

Article References & Sources

At AncientHerbsWisdom, our content relies on reputable sources, including peer-reviewed studies, to substantiate the information presented in our articles. Our primary objective is to ensure our content is thoroughly fact-checked, maintaining a commitment to accuracy, reliability, and trustworthiness.

  1. USDA. Food and Drug Administration. FDA 101: Dietary supplements. Last reviewed July 15, 2015.
  2. Meng, D., et al. (2014). Four new quassinoids from the roots of Eurycoma longifolia Jack [Abstract].
  3. Talbott SM, Talbott JA, George A, Pugh M. Effect of tongkat ali on stress hormones and psychological mood state in moderately stressed subjects. J Int Soc Sports Nutr. 2013;10(1):28. doi:10.1186/1550-2783-10-28
  4. Muhamad AS, Keong CC, Kiew OF, Abdullah MR, Lam CK. Effects of Eurycoma longifolia Jack supplementation on recreational athletes’ endurance running capacity and physiological responses in the heat. Int J Appl Sports Sci. 2010;22:1–19. doi:10.24985/ijass.2010.22.2.1 
  5. Henkel R. R., et al. (2014). Tongkat ali as a potential herbal supplement for physically active male and female seniors–A pilot study [Abstract].
  6. Rehman SU, Choe K, Yoo HH. Review on a traditional herbal medicine, eurycoma longifolia jack (Tongkat ali): Its traditional uses, chemistry, evidence-based pharmacology and toxicology. Molecules. 2016;21(3):331. doi:10.3390/molecules21030331
  7. George, A., et al. (2018). Efficacy and safety of Eurycoma longifolia (Physta) water extract plus multivitamins on quality of life, mood and stress: A randomized placebo-controlled and parallel study.
  8. Tong, K. L., et al. (2015). The in vitro and in vivo anti-cancer activities of a standardized quassinoids composition from Eurycoma longifolia on LNCaP human prostate cancer cells.
  9. Kuchakulla M, Narasimman M, Soni Y, Leong JY, Patel P, Ramasamy R. A systematic review and evidence-based analysis of ingredients in popular male testosterone and erectile dysfunction supplements. Int J Impot Res. 2021;33(3):311-317. doi:10.1038/s41443-020-0285-x
  10. Rehman, S. U., et al. (2016). Review on a traditional herbal medicine, Eurycoma longifolia Jack (tongkat ali): Its traditional uses, chemistry, evidence-based pharmacology and toxicology.
  11. Leitão AE, Vieira MCS, Pelegrini A, da Silva EL, Guimarães ACA. A 6-month, double-blind, placebo-controlled, randomized trial to evaluate the effect of Eurycoma longifolia (Tongkat Ali) and concurrent training on erectile function and testosterone levels in androgen deficiency of aging males (ADAM). Maturitas. 2021;145:78-85. doi:10.1016/j.maturitas.2020.12.002
  12. Udani JK, George AA, Musthapa M, Pakdaman MN, Abas A. Effects of a proprietary freeze-dried water extract of Eurycoma longifolia (Physta) and Polygonum minus on sexual performance and well-being in men: A randomized, double-blind, placebo-controlled study. Evid Based Complement Alternat Med. 2014;2014:179529. doi:10.1155/2014/179529
  13. Khanijo, T., & Jiraungkoorskul, W. (2016). Review ergogenic effect of Long Jack, Eurycoma longifolia.
  14. Kotirum S, Ismail SB, Chaiyakunapruk N. Efficacy of Tongkat Ali (Eurycoma longifolia) on erectile function improvement: systematic review and meta-analysis of randomized controlled trials. Complement Ther Med. 2015;23(5):693-698. doi:10.1016/j.ctim.2015.07.009
  15. Park, S., et al. (2014). Five new quassinoids and cytotoxic constituents from the roots of Eurycoma longifolia [Abstract].
  16. Thu HE, Mohamed IN, Hussain Z, Jayusman PA, Shuid AN. Eurycoma Longifolia as a potential adaptogen of male sexual health: a systematic review on clinical studies. Chin J Nat Med. 2017;15(1):71-80. doi:10.1016/S1875-5364(17)30010-9
  17. Thu, H. E., et al. (2018). Eurycoma longifolia, a potential phytomedicine for the treatment of cancer: Evidence of p53-mediated apoptosis in cancerous cells [Abstract].
  18. Leitão AE, Vieira MCS, Gomes DA, et al. Exercise associated or not to the intake of Eurycoma longifolia improves strength and cardiorespiratory fitness in men with androgen deficiency. Complement Ther Clin Pract. 2021;42:101301. doi:10.1016/j.ctcp.2020.101301
  19. Mohammad, N. A., et al. (2018). An evidence-based review: The effects of Malaysian traditional herbs on osteoporotic rat models.
  20. Vanoh D, Shahar S, Yahya HM, et al. Dietary supplement intake and its association with cognitive function, physical Fitness, depressive symptoms, nutritional status and biochemical indices in a 3-year follow-up among community dwelling older adults: A longitudinal study. Clin Interv Aging. 2021;16:161-175.doi:10.2147/CIA.S266587
  21. Liao, L.-Y., et al. (2018). A preliminary review of studies on adaptogens: Comparison of their bioactivity in TCM with that of ginseng-like herbs used worldwide.
  22. Ezzat, S. M., et al. (2019). Brain cortical and hippocampal dopamine: A new mechanistic approach for Eurycoma longifolia well-known aphrodisiac activity and its chemical characterization.
  23. Ahmad N, Teh BP, Halim SZ, Zolkifli NA, Ramli N, Muhammad H. Eurycoma longifolia-infused coffee-an oral toxicity study. Nutrients. 2020;12(10):3125.doi:10.3390/nu12103125
  24. Bhasin, S., et al. (2010). Testosterone therapy in men with androgen deficiency syndromes: An Endocrine Society clinical practice guideline [Abstract].
  25. Akabas SR, Vannice G, Atwater JB, Cooperman T, Cotter R, Thomas L. Quality certification programs for dietary supplements. J Acad Nutr Diet. 2016;116(9):1370-1379. doi:10.1016/j.jand.2015.11.003

Valuable Resources