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evidence · mechanism · dose
Supplements/Herb

Tongkat Ali Eurycomanone-Standardized

LJ100 standardized to 22% eurypeptides.

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Overview

LJ100 standardized to 22% eurypeptides.

Natural sources
  • Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)
  • Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)
  • Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice
Common forms
  • Standardized extract capsule
  • Liquid tincture (alcohol or glycerin)
  • Powdered whole herb
  • Traditional decoction or tea

Mechanism of action

Eurycomanone induces testosterone biosynthesis.

Pathways
  • · Eurycomanone induces testosterone biosynthesis

Effects on the body

Increases
testosterone

Organ system effects

Reproductive

Tongkat Ali Eurycomanone-Standardized influences androgen signaling, prostate health, or male reproductive function.

Evidence-based benefits

Raises testosterone

Moderate evidence

Potential side effects

Common
  • · Insomnia
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose Tongkat Ali Eurycomanone-Standardized use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Safety & non-supplemental interactions

      Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

      Avoid if you are
      • ·Pregnant or breastfeeding (insufficient safety data)
      • ·Children under 18 (unless directed by a clinician)

      Supplement interactions

      Pairs well with
      • A high-quality multivitamin
        Covers micronutrient cofactors that support most supplement pathways.
      • Omega-3 (EPA/DHA)
        Foundational anti-inflammatory support that complements most regimens.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      200 mg LJ100
      Best form
      Most evidence is based on the standardized extract capsule form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      Either with or without food.

      Where to buy

      Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

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      Scientific evidence8Show studies
      RCTPhytother Res · 2014

      LJ100 in andropause

      Henkel RR, et al.

      13 elderly men

      Key findings

      Increased testosterone and muscle.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Tongkat Ali Eurycomanone-Standardized — Raises testosterone

      Live PubMed search

      Live results for "Tongkat Ali Eurycomanone-Standardized Raises testosterone" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Tongkat Ali Eurycomanone-Standardized and "Raises testosterone". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Tongkat Ali Eurycomanone-Standardized — randomized controlled trial

      Live PubMed search

      Live results for "Tongkat Ali Eurycomanone-Standardized randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Tongkat Ali Eurycomanone-Standardized and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Tongkat Ali Eurycomanone-Standardized — meta-analysis

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      Live results for "Tongkat Ali Eurycomanone-Standardized meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Tongkat Ali Eurycomanone-Standardized and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Tongkat Ali Eurycomanone-Standardized — pharmacokinetics

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      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Tongkat Ali Eurycomanone-Standardized — safety adverse events

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      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Tongkat Ali Eurycomanone-Standardized — dose response

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      Live results for "Tongkat Ali Eurycomanone-Standardized dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Tongkat Ali Eurycomanone-Standardized and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Tongkat Ali Eurycomanone-Standardized — clinical evidence

      Live Scholar search

      Cross-database citation index for Tongkat Ali Eurycomanone-Standardized as it relates to "clinical evidence".

      Key findings

      Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

      Open study
      Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

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