Long jack facts

Long jack is also known as Tongkat Ali that is a small tree in the Simaroubaceae family. It is inherent to the countries of Southeast Asia. It is also called Penawa Pahit or Ali’s Umbrella. The plant acts as an aid for stomachaches, fever and various ailments. This plant possesses aphrodisiac properties. It is considered that the roots and bark of this plant helps to enhance the man’s sexual virility and abilities. The evidences show that this plant helps to treat minor health problems. Few research shows that this plant helps to improve the sexual vitality only in animals.

Name Long jack
Scientific Name Eurycoma longifolia
Native Native to Malaysia, Indonesia, Vietnam, Myanmar, Cambodia, Laos and Thailand.
Common/English Name Ali’s Walking Stick, Ali’s Umbrella, Long Jack, Tongkat Ali, Malaysian Ginseng, Longjack, Picroxylon Siamese, Manotes Asiatica
Name in Other Languages Chinese: Ali Zhi Zhang;
Czech: Malajský Ženšen;
French: Ginseng De Malaisie;
German: Tongkat Ali;
Japanese: Nagaekasa;
Indonesia (Javanese): Pasak Bumi;
Laotian: Tho Nan;
Latvian: Garlapu Eurikoma;
Sabah: Wonod Mondou,
Sarawak, Iban: Sengkayap,
Polish: Eurycoma;
Thai: Phiak;
Vietnamese: Cây Bá Bệnh;
Borneo: Nuad-mandau;
Brunei: pasak bumi;
Cambodia: antong sar;
Indonesia (Javanese): Bidara laut;
Laos (Laotian): Tho nan;
Malaysia: Lempedu pahit;
Sumatra: bidara laut;
Northern: hae phan chan;
Central: plaalai phuenk;
Peninsular: phiak;
Vietnam: Cay ba bonh
Plant Growth Habit Monoecious or dioecious, tall, slender, evergreen shrub
Soil Well-drained
Plant Size 10 m
Leaf Pinnate, green, Length: 20-40 cm, ovate to lanceolate leaflets
Flower Tiny, reddish, unisexual, arranged densely
Fruit shape & size Mericarps, bicarinate, ovoid; Length: 1-2 cm; Broad: 0.5-1 cm
Fruit color Young: Yellowish brown
Ripened: Brownish red
Health Benefits
  • Assist in losing weight
  • Provides energy
  • Supports libido
  • Bone health
  • Assist mood
  • Promotes blood sugar
Traditional uses
  • Antimalarial, antidiabetic, aphrodisiac, antipyretic and antimicrobial properties.
  • Enhancing fertility
  • Treat malaria, fever, hypertension
  • Cure osteoporosis
  • Treat mouth ulcers and rheumatism
  • Stimulates appetite
  • Acts as antidote
  • Pregnant, breast feeding women and children should not use.
  • Symptoms mild fevers, headache and rash
  • Allergy
  • Reduce blood sugar level
  • Should not use by the weak immune people.
  • Cautious while taking with propranolol.
  • Should not use by people with breast cancer, diabetes, prostate cancer, liver disease, heart disease, sleep apnea or kidney disease.
  • May cause restlessness, anxiety and sleep problems.
How to Eat
  • Used as drink and food additives.
  • Ingredient for functional beverage and coffee.
  • Dried chips to brew tea.


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