Hovenia dulcis (Japanese Raisin Tree) and hangover

What 2 graded rows on hovenia dulcis (japanese raisin tree) agree on for hangover, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Hovenia dulcis (Japanese Raisin Tree) page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Hovenia dulcis (Japanese Raisin Tree) page, with its PubMed record.

Supplement

Hovenia dulcis (Japanese Raisin Tree) Choose another

2 rows · 51 people

They agree: both rows found an improvement.

No difference

Improved

Each block is one evidence row, sized by how many people it enrolled, with its grade inside.

From the rows

The best-graded row, grade D, is a crossover trial of 26 people (2017) and found an improvement.

The rows run from 25 to 26 people, published from 2017 to 2024: 2 single studies.

2 improved

Grade DHangover symptoms after 50 g alcohol · Improved
Crossover RCT · n 26 · 2017 · Healthy Korean men (about 24 years old) with heterozygous ALDH2
2,460 mg with 360 mL soju (50 g alcohol) · Single dose per session, crossover
Hangover symptom scores declined more with the extract; blood alcohol and acetaldehyde did not differ. IL-6, IL-10 and AST differed between groups.
Row on the Hovenia dulcis (Japanese Raisin Tree) page · PubMed 28750942 (opens PubMed)
Grade DBlood alcohol and hangover symptoms with Hovenia blends · Improved
Crossover RCT · n 25 · 2024 · Adults aged 19-40 with previous hangovers (Korea)
Not stated in the abstract · Single dose per session, crossover
Blood alcohol was lower at 0.25 and 0.5 hours with both blends; gastrointestinal hangover symptoms were lower with all test drinks.
Row on the Hovenia dulcis (Japanese Raisin Tree) page · PubMed 39766963 (opens PubMed)