The short answer. There isn't much data on Eleutherococcus yet — 5 mentions, 1 with a clear outcome — so treat these numbers as anecdotal. It is well studied — 7 meta-analyses on PubMed.
From 5 mentions in total — the rest didn't say how it went and aren't counted.
Of the people who reported each effect, the share who said it got better.
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.
Conclusion: The data from the meta-analysis showed that plant adaptogens could provide a number of benefits in the treatment of chronic fatigue, cognitive impairment, and immune protection. In the future, there is great potential to register medicinal products that contain plant adaptogens for therapeutic purposes.
PubMed 34445021 ↗Conclusion: As an important TCM, a large number of investigations have proved that EN and terpenoids isolated from EN have markedly therapeutic efficacy on diabetes, inflammation, and cancer disorders. These research findings provide modern scientific evidence for the traditional uses of EN. Moreover, more novel and active secondary metabolites from EN, as well as the in vivo and clinical in-depth tests are required in the future.
PubMed 36641105 ↗Conclusion: The risk of bias in all the included trials was high, and hence the data were not adequate to draw reliable conclusions about the efficacy of acanthopanax in acute stroke. Much larger trials of greater methodological quality are needed.
PubMed 19588417 ↗Conclusion: Current moderate evidence revealed that Aidi injection as an adjunctive treatment to GBC was associated with superior benefits in patients with advanced NSCLC and alleviate toxicities. High-quality RCTs are needed to further confirm the results.
PubMed 34541998 ↗As stated by users — not a recommendation. Follow the label or your doctor.
How often each side effect came up across all reports.
First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.
“I'm having a very good response to tyrosine + l-theanine + ALCAR + eleutherococcus.”
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate