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Tongkat Ali Side Effects & Safety

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Safe with Caution

Potential Side Effects

  • Mild insomnia and restlessness
  • Irritability or aggressiveness (rare)
  • Mild GI discomfort
  • Elevated body temperature or sweating
  • Generally well-tolerated at standard doses in clinical trials

Drug & Supplement Interactions

  • May interact with testosterone replacement therapy (additive effects)
  • May lower blood sugar — monitor with diabetes medications
  • May interact with antihypertensive medications (mild blood pressure effects)
  • Avoid with hormone-sensitive cancers (testosterone-dependent tumors)
  • May interact with immunosuppressant drugs (immunostimulatory effects)

Maximum Dose

Do not exceed: 600mg/day of standardized extract

References

  1. (). Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects. Journal of the International Society of Sports Nutrition. DOI
  2. (). Randomized clinical trial on the use of PHYSTA freeze-dried water extract of Eurycoma longifolia for the improvement of quality of life and sexual well-being in men. Evidence-Based Complementary and Alternative Medicine. DOI
  3. (). Standardised water-soluble extract of Eurycoma longifolia, Tongkat ali, as testosterone booster for managing men with late-onset hypogonadism. Andrologia. DOI