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Dioscorea vs Dioscorea Nipponica for mood

Short answer: For mood, more users report improvement with Dioscorea — 100% of 4 reports, versus 80% of 5 for Dioscorea Nipponica.

Dioscorea has 9 meta-analyses and 10 randomized trials on PubMed; Dioscorea Nipponica has 1 and 1.

Based on 20 reports about Dioscorea and 19 about Dioscorea Nipponica. Not medical advice.

Dioscorea
Supplement
Dioscorea Nipponica
Supplement
Users say it helped83%helped6 reports · few reports67%helped9 reports · few reports
Verdict
Mostly positive
Mostly positive
ResearchAResearch: StrongBResearch: Moderate
Meta-analyses / RCTs9 / 101 / 1
Mainly used for
Mood
% reporting improvement
100% (4)80% (5)
Common side effectsbladder issueshair loss, aggression, emotional instability
Typical dose reported2 capsules400 mg
Dioscorea
Latest review conclusion

DCs and DEs exhibit broad-spectrum anticancer properties. In particular, dioscin exhibits low toxicity and exerts strong anticancer effects through multiple pathways and targets. Future studies should focus on investigating these DEs and DCs, especially dioscin, as a novel anticancer agent.

Phytomedicine, 2025 ↗
What a user said
“black ginger, horny goat weed, tribulus, dioscorea, cistamax, maca/black maca... they've all had crazy results when stacked in the bedroom for me”
Full Dioscorea profile →
Dioscorea Nipponica
Latest review conclusion

DnM exerts multi-target effects by modulating key inflammatory and apoptotic pathways in ADs. The NF-κB, STAT3, and TGF-β/Smad signaling pathways may serve as key targets for DnM in modulating inflammatory states in ADs, while Fas/FasL and Bax/Bcl-2 are potential mediators of its apoptosis-regulating effects. Clinical evidence supports its efficacy in rheumatoid arthritis (RA) and Hashimoto's thyroiditis (HT), highlighting its multi-faceted therapeutic potential. This review systematically summarizes DnM's clinical outcomes, mechanisms, and toxicological profile, however, large-scale randomize

J Ethnopharmacol, 2025 ↗
What a user said
“It's hard to put a finger on its effects, but it's calming to me in a very unique way”
Full Dioscorea Nipponica profile →

Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate