Key Benefits

  • Supports vitality and well-being for an energetic lifestyle.
  • May promote male fertility and reproductive health.
  • May increase testosterone levels. 
  • May increase skeletal muscle strength and mass.
  • Supports healthy ageing.
  • May support hormonal balance and physical performance.
  • Potent 100:1 extract for maximum efficacy.


Warnings & Precautions


Hypersensitivity to any of the ingredients, including excipients.

  • Stop use if hypersensitivity/allergy occurs.  
  • Contraindicated in patients with prostate cancer.
  • Contraindicated in patients using hypoglycaemic agents.
  • Contraindicated in patients with diseases like breast cancer, heart disease, liver disease or sleep apnoea.


Special warnings and precautions for use:

Consult a health care provider prior to use: 

  • if you have a medical condition or are taking prescription medication. 
  • if you have prostate cancer or a history of prostate cancer. 
  • if you have a compromised immune system, Eurycoma longifolia may further weaken the immune function.


Interactions with other medicines and other forms of interactions:

Interactions with Medicines

  • Eurycoma longifolia (Tongkat Ali) can reduce the levels and clinical effects of propranolol and patients are advised to discuss an appropriate dosing schedule with their health care providers.

Interactions with Diseases

  • Eurycoma longifolia (Tongkat Ali) might reduce blood glucose levels. Combined use might increase the risk for hypoglycaemia, especially in patients on insulin or oral hypoglycemic medications. Dose adjustment for diabetes medications may be necessary.
  • Patients are advised to discontinue Sfera Tongkat Ali at least 2 weeks before elective surgical procedures.

Interactions with Foods

Vitamins, minerals, and nutrients obtained from other sources should be taken into account when prescribing / suggesting Sfera Tongkat Ali.



Chinnappan, S. M., George, A., Pandey, P., Narke, G., & Choudhary, Y. K. (2021). Effect of Eurycoma longifolia standardised aqueous root extract-Physta® on testosterone levels and quality of life in ageing male subjects: a randomised, double-blind, placebo-controlled multicentre study. Food & nutrition research65, 10.29219/fnr.v65.5647. 

Chan, K. Q., Stewart, C., Chester, N., Hamzah, S. H., & Yusof, A. (2021). The effect of Eurycoma Longifolia on the regulation of reproductive hormones in young males. Andrologia53(4), e14001. 

Leisegang, K., Finelli, R., Sikka, S. C., & Panner Selvam, M. K. (2022). Eurycoma longifolia (Jack) Improves Serum Total Testosterone in Men: A Systematic Review and Meta-Analysis of Clinical Trials. Medicina (Kaunas, Lithuania)58(8), 1047. 

Raja Nazatul Izni Raja & Shahriman Shah. (2022, September 1). Malaysian Herbal Monograph, Tongkat Ali Root: Eurycoma longifolia. Retrieved from Global Information Hub on Integrated Medicine 

Rehman, S. U., Choe, K., & Yoo, H. H. (2016). Review on a Traditional Herbal Medicine, Eurycoma longifolia Jack (Tongkat Ali): Its Traditional Uses, Chemistry, Evidence-Based Pharmacology and Toxicology. Molecules (Basel, Switzerland)21(3), 331.