Tongkat Ali (Eurycoma longifolia) — intervention evidence review — Supplement & Protocol Data

What we know

Label-derived facts remain separate from AI-generated context.

No label facts are available for this entry yet.

No AI context is available yet.

Community-supplied references. Check the linked source before relying on a claim.

Practical details pulled from scanned or cited interventions.

**Serum total testosterone** (especially in late-onset hypogonadism / ADAM / T < 300 ng/dL).
**Free testosterone** (and SHBG), the background “free T” claim.
**LH and FSH** (the background “LH” claim).
**Libido, erectile function, and sexual well-being** (IIEF, SHQ, AMS sexual subscale).
**Strength and body composition** (grip, dynamometry, lean/fat mass) as an ergogenic.
**Stress, mood, and cortisol**.
**Spermatogenesis / male fertility** (semen volume, concentration, motility, morphology, spontaneous pregnancy).
**Safety as a “natural TRT alternative”** (liver, kidney, PSA, T:E doping ratio) — listed here as a claim, tested in section 7.

Dose, timing, and brands from 1 public protocol. Private and hidden usage is excluded.

Where this intervention appears and what it tends to sit beside.