Ptychopetalum olacoides · Potency wood · Brazilian ginseng
500 mg · vegan · gluten-free · 60 caps
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Muira puama is a small tree native to the Amazon rainforest, traditionally used by Brazilian indigenous populations as a nerve tonic and aphrodisiac. The bark and root are used medicinally. Despite centuries of traditional use, rigorous human clinical trials are scarce and most evidence comes from animal studies or combination products.
The mechanism is poorly understood. Animal studies suggest muira puama may enhance acetylcholine signaling, increase nitric oxide production in penile tissue, and reduce cortisol-related stress responses. In rodent models, it has shown pro-erectile effects when combined with L-citrulline, ginger, and Paullinia cupana — but not as a standalone agent.
Men seeking a traditional libido tonic with low toxicity who are comfortable with limited clinical proof. Not a substitute for evidence-based ED treatments. Women with low sex drive have slightly more trial data than men.
Avoid if pregnant or breastfeeding. Use caution if taking anticoagulants or CNS-active medications. Long-term safety data is absent.
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✓ Morning and evening divided dosing aligns with traditional use
✓ Morning and evening divided dosing aligns with traditional use
✓ Take with meals to reduce gastrointestinal discomfort and improve tolerability
The mechanism is poorly understood.
Each bar = one cited trial. Effect varies by methodology, dose, and population.
Adult males with low-normal testosterone (n≈57)
Normal testosterone range 300–1000 ng/dL (adult male).
202
→ Combination of muira puama + ginkgo improved sexual desire, fantasies, and orgasm frequency in 65% of women with low sex drive.
In vitro
→ Muira puama as part of COMP-4 upregulated iNOS and cGMP in rat corporal smooth muscle cells, suggesting a pro-erectile mechanism.
54
→ Revactin® (muira puama + ginger + guarana + L-citrulline) improved IIEF scores in ~50% of men over 3 months; limited by multi-ingredient design.
C · No well-controlled RCTs of muira puama monotherapy in men. Human data is limited to a women's combination study (Waynberg 2000), animal work (Ferrini 2018), and a multi-ingredient men's pilot trial (Nguyen 2018). Traditional use is extensive; clinical validation is minimal.
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Key citations: See richResearch section. Multiple RCTs support cognitive and neuroprotective properties of Muira Puama.
How to use Muira Puama specifically for Low libido — the right dose, timing, blood markers to track, and how to know if it is working.
A clinical evidence review of Muira Puama — RCT data, effect sizes, evidence grade, and what the numbers mean for your specific situation.
Everything you need to know about Muira Puama — mechanism, dose, safety, buying guide for India, and what the research actually says.
SacredBod's longer take on Muira Puama — context the structured blocks above don't capture.
Muira puama is the textbook example of a supplement where traditional reputation vastly exceeds clinical validation. In the Amazon, it has been called “potency wood” for generations. In the medical literature, it has barely been tested as a standalone therapy.
The most frequently cited “clinical” reference is a 1994 report by Dr. Jacques Waynberg involving 262 men with low libido or impotence who took 1-1.5 g of muira puama extract daily. According to secondary sources, 60% reported increased sexual desire and 50% reported improved erectile function. However, this was not a peer-reviewed RCT published in a PubMed-indexed journal — it was a clinical observation published in a natural medicine newsletter. The only peer-reviewed human trial (Waynberg & Brewer, 2000) tested a combination of muira puama and ginkgo biloba in 202 women, finding that 65% experienced improved sexual desire and orgasm frequency. This is promising for women, but does not establish efficacy in men.
The 2018 Nguyen pilot study tested Revactin® — a combination of muira puama, ginger, guarana, and L-citrulline — in 54 men with erectile dysfunction. Approximately 50% showed improvement in IIEF scores over 3 months. However, because the product contains four active ingredients, it is impossible to attribute benefit to muira puama specifically. The same limitation applies to the animal work (Ferrini et al., 2018) showing iNOS upregulation in penile tissue, which also tested a four-ingredient combination.
Preclinical work suggests muira puama may increase acetylcholine receptor sensitivity, reduce stress-induced cortisol elevation, and enhance nitric oxide signaling in erectile tissue. These mechanisms are biologically plausible but unconfirmed in humans. Without a standalone muira puama RCT in men, any claims remain speculative.
For libido and erectile support, tongkat ali has stronger human evidence. Maca has multiple RCTs in men. Yohimbine has genuine pharmacological efficacy albeit with side effects. Muira puama is best viewed as a low-risk, low-evidence traditional tonic — reasonable to experiment with if expectations are modest, but not a reliable primary therapy.
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