Eurycoma longifolia, known in English as Tongkat Ali and in Thai as ตงกัต อาลี.

It is one of Southeast Asia’s most respected traditional medicinal plants. Its roots have long been valued in Thai Traditional Medicine as a natural vitality enhancer, helping men maintain stamina and hormonal balance. Legends describe its use among warriors and laborers needing strength and resilience.

Frequently Asked Questions:

• What is Eurycoma longifolia used for in Thai Traditional Medicine?
  It is used primarily to support male reproductive health, increase energy, and reduce fatigue.

• How is Eurycoma longifolia prepared?
  Traditionally, its root is sliced, dried, and decocted in water. Powdered extracts are also common in capsules or teas.

• Are there any side effects or precautions?
  Excessive intake may cause insomnia, irritability, or increased heart rate. It is not recommended for pregnant women or individuals with cardiovascular conditions.

• Where does Eurycoma longifolia grow naturally?
  It is native to tropical forests across Thailand, Malaysia, and Indonesia.

Medicinal Uses in Thai Traditional Medicine:

• Supports male reproductive health

• Enhances vitality and stamina

• Increases energy levels

• Reduces fatigue

• Relieves fever and inflammation

Preparation Methods:

• Decoction of dried roots in water

• Powdered extract consumed in capsules or tea

Historical Context:
Historical Thai herbal manuscripts and regional folklore describe Eurycoma longifolia as a tonic for strength and male vigor. It was considered valuable among both traditional healers and common people, often mentioned alongside other Southeast Asian aphrodisiac herbs.

Health Benefits / Therapeutic Actions (Functional Tags):
male reproductive health, vitality support, stamina enhancement, energy increase, fatigue reduction, fever relief, inflammation reduction, hormone balance

Botanical Details:

• Latin Name: Eurycoma longifolia

• Common English Name: Tongkat Ali

• Thai Name: ตงกัต อาลี

• Family: Simaroubaceae

• Synonyms (Botanical): Eurycoma apiculata Miq.

• Plant Type/Habit: Slender shrub, perennial

• Parts Used Medicinally: Root

• Flowering/Fruiting Season: Typically summer

• Native Range/Distribution: Thailand, Malaysia, Indonesia

• Growing Conditions: Well-drained soil, partial to full sun, tropical environment

Key Bioactive Compounds:

• Eurycomanone: A quassinoid studied for testosterone-supporting properties and adaptogenic effects.

• β-carboline alkaloids: Compounds contributing to antimicrobial and anti-inflammatory properties.

Pharmacological Actions:

• Anti-inflammatory: Reduces pro-inflammatory markers.

• Antioxidant: Helps neutralize free radicals, supports cellular health.

• Antimicrobial: Shows inhibitory effects against certain bacteria and fungi.

• Aphrodisiac/Testosterone-boosting: Supports male hormone regulation and libido.

Contraindications/Precautions/Side Effects:

• May cause insomnia or irritability in sensitive individuals.

• Not recommended during pregnancy or for individuals with heart conditions.

Relevant Scientific Studies/References:

• Ismail, S. B., et al. (2012). Randomized clinical trial of Eurycoma longifolia standardized extract on testosterone levels in older males. Andrologia, 44(s1), 226-231.

• Low, B. S., et al. (2013). Eurycomanone as an inducer of apoptosis in prostate cancer cell lines. Phytomedicine, 20(4), 384-391.

Disclaimer:
We have created this garden to share the story and cultural history of Thai Traditional Medicine through the ages, from past to present. The information provided here is for educational purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional regarding any health concerns or treatment decisions.