Everything you need to know about Tongkat Ali

Latin Name:
Eurycoma longifolia Jack.

Original Name
Tongkat ali, petala bumi (Malay); pasak bumi, bidara laut (Indonesian); cay ba binh (Viet Namese); hae phan chan, plaalai phuenk, (Thai); tho nan (Laos).

Extract Eurycoma longifolia radix, 1:200… 600 mg

Active Ingredient
Containing mainly phenolic components, tannins, high molecular weight polysaccharide, glycoprotein and mucopolysacharides.



Dosage for each individual may vary and may take some experimentation to reach desired results. Below is the most popular dosages based on studies customer feedback.

Increase libido and sexual function:
1-2 capsules twice per day (1 morning, 1 at night for best results) – cycling 6 days on, 3 days off – if you buy 60 capsules this will last 45 days when cycled in this way.

For fatigue support, weight management and other common health ailments:
1 capsule per day – cycling 14 days on, 6 days off

Bodybuilders whose concern is to achieve persistent high testosterone levels:
Three times a day, 2 capsules – cycling 6 days on, 3 days off

Pharmacology effect
Sex drive (Main Usage)
Tongkat Ali is a proven testosterone booster. This herb is particularly reknown in Asia for its ability to increase testosterone up to 440%. It achieves this by positively affecting hormone balance to naturally stimulate the body to produce more free testosterone.

Benefits of testoterone
1) Stronger bones
2) Increase muscle mass
3) Decrease body fat
4) Increase metabolic rates and oxidative
5) Decrease stress
6) Improve brain function including memory
7) Improve sexual performance

Risk of Low Testoterone
1) Osteoporosis and hip fracture
2) Heart disease and myocardial infarction
3) Stroke and cardiovascular disease
4) Prostate cancer
5) Senile dementia
Safety Test
No information is available about the toxicity of E. longifolia in humans. However, the LD 50 for an oral dose of E. longifolia alcoholic extract in mice was 2.6 g/kg; symptoms of acute toxicity included depression, shallow respiration, and convulsion. Ninety-five percent of the mice died at a dose of 0.43 g/kg, and increased weights of the liver, kidneys, spleen, and testes were observed.

Certificate of Analysis available here.