American ginseng and fatigue
What 3 graded rows on american ginseng agree on for fatigue, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the American ginseng page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the American ginseng page, with its PubMed record.
Your question
American ginseng and fatigue
3 rows · 452 peopleSplit. 1 row found an improvement and 2 found no difference.
- CGrade C× 1
- DGrade D× 2
- Rows
- 3
- Trials
- 3
- People
- 452
Where they differ
From the rowsThe best-graded row, grade C, is a randomized trial of 364 people (2013) and found an improvement.
The row that found an improvement was larger: 364 people, against a median of 44 people for the 2 rows that found no difference.
The best grade is C among the row that found an improvement, and D among the rows that found no difference.
The rows
1 improved · 2 no difference- DGrade DFatigue in multiple sclerosis · No difference
Crossover RCT · n 56 · 2011 · Adults with multiple sclerosis and fatigue
100, 200 then 400 mg/day (escalating) · 6 weeks
Fatigue Severity Scale scores did not differ from placebo; no serious adverse events.
Row on the American ginseng page · PubMed 21803872 (opens PubMed)
- DGrade DFatigue in head and neck cancer survivors · No difference
RCT · n 32 · 2020 · Adults at least 1 year after curative treatment for head and neck cancer with fatigue score above 4
1,000 mg/day · 8 weeks
Fatigue scores at 8 weeks did not differ from placebo (mean 4.6 vs 3.4, not significant).
Row on the American ginseng page · PubMed 32617701 (opens PubMed)
- CGrade CCancer-related fatigue · Improved
RCT · n 364 · 2013 · Fatigued cancer survivors at 40 US institutions
2,000 mg/day · 8 weeks
General fatigue improved 14.4 vs 8.2 points at 4 weeks (P = .07, primary endpoint not met) and 20 vs 10.3 points at 8 weeks (P = .003); toxicities did not differ from placebo.
Row on the American ginseng page · PubMed 23853057 (opens PubMed)