Tongkat Ali and Tongkat Ali for Free testosterone

Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.

Compound or practice

Tongkat Ali

The testosterone-support herb with the least-bad evidence — modest free-T and stress signals, best in the stressed or older.

Grade C3 graded outcomesrevised Jul 10, 2026

A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.

Evidence brief

Tongkat Ali for Free testosterone

Evidence grade C — Larger in stressed/older

Grade C1 graded outcomerevised Jul 10, 2026

Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.

Swap the two

Graded in both

Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.

OutcomeTongkat AliTongkat Ali for Free testosterone
Free testosterone
Evidence grade CSmall effectmixedLarger in stressed/older
Evidence grade CSmall effectmixedLarger in stressed/older

Graded only in Tongkat Ali

  • Stress / cortisol Small effectEvidence grade C
  • Libido Small effectEvidence grade C

Graded only in Tongkat Ali for Free testosterone

None — every outcome it grades is graded in both.

What each entry says about the other

  • Tongkat Ali for Free testosterone’s entry · Goes with: Read the full Tongkat Ali monograph

Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.