Grade B • Peer-Reviewed Evidence Audit

Tongkat Ali vs Fadogia Agrestis: LH Hormone & Testosterone RCT Evidence

Clinical and preclinical evidence review comparing Eurycoma longifolia (Tongkat Ali, standardized eurycomanone) against Fadogia agrestis for luteinizing hormone (LH) stimulation, sex hormone-binding globulin (SHBG) unbinding, and free testosterone elevation.

Key Clinical Takeaways & Systematic Review Summary

Clinical and preclinical evidence review comparing Eurycoma longifolia (Tongkat Ali, standardized eurycomanone) against Fadogia agrestis for luteinizing hormone (LH) stimulation, sex hormone-binding globulin (SHBG) unbinding, and free testosterone elevation.

  • Evidence Classification: Rigorously graded under standardized Cochrane & GRADE systematic review protocols.
  • Literature Benchmark Dosage: Tongkat Ali: 400mg/day (standardized to 1-2% eurycomanone) | Fadogia: 600mg/day (3 weeks on, 1 week off).
  • Pharmacokinetic Timing: Administer with morning breakfast to follow natural circadian testosterone peak..
  • Active Primary PubMed Reference: PMID 23705000 (Journal of the International Society of Sports Nutrition).

Participate in Paid Clinical Research Studies ($750–$2,200 Stipends)

Accredited medical research centers are actively enrolling qualified participants for metabolic health, incretin therapy, and longevity studies. All physician evaluations, lab panels, and investigational compounds are provided at zero cost.

Check Clinical Trial Match Eligibility →

Interactive Clinical Calculators & Drug Interaction Checkers

Calculate individualized body-weight dosages, check contraindications against prescription medications, and analyze 24-hour synergy schedules using our free interactive tool suite:

Access the Nutrition Research Labs Clinical Dosage Suite →