Dendropanax morbiferus (Hwangchil), a Jeju source botanical for Jeju Recov — Dendropanax (Hwangchil) · source

Ecklonia cava (Gamtae) kelp, a Jeju source botanical for Jeju Recov — Dendropanax (Hwangchil) · source

Jeju Recov's two source botanicals: Dendropanax morbiferus (hwangchil) and Ecklonia cava (gamtae). Dendropanax photo: Dalgial / Wikimedia Commons (CC BY-SA 4.0).

Jeju Recov is a hangover-relief and liver-support extract drawn from two Jeju botanicals, Dendropanax morbiferus and Ecklonia cava. In a human trial it cut blood acetaldehyde, the hangover-inducing substance, by 18.5% and improved perceived hangover severity by as much as 26.7%.

At a glance

Ingredient specification

Brand nameJeju Recov^®
Ingredient nameDendropanax morbiferus, Ecklonia cava
Manufacturing methodEthanol extraction
Marker compoundsChlorogenic acid, dieckol
Recommended intake1.34 g per day, as Dendropanax and Ecklonia cava extract
OriginJeju, Korea

Functions & features

What Jeju Recov does

Promotes alcohol metabolism
Reduces toxic substances
Antioxidant
Liver protection

The marker compounds are chlorogenic acid and dieckol. The extract supports alcohol metabolism and helps reduce the toxic by-products of drinking, with antioxidant and liver-protective activity.

Human clinical trial

Clinical results

18.5%

Reduction in blood acetaldehyde, the hangover-inducing substance, four hours after intake.

26.7%

Maximum improvement in perceived hangover severity four hours after intake.

The trial was conducted at the Global Medical Research Center with 30 adult men and women, taking a single dose before drinking in a crossover design. Safety was confirmed through 15 hours of intensive post-intake monitoring.

Efficacy results summary — control vs. experimental group
Test	Time	Control	Experimental	p	Reduction
Blood acetaldehyde	4 h	1087.9	886.6	0.001	18.5%
Blood acetaldehyde	2 h	1244.6	1075.8	0.013	13.6%
Blood alcohol	4 h	608.77	552.29	0.033	9.3%
AHSS (hangover severity)	4 h	20.69	15.86	0.043	23.3%
AHS (acute hangover)	2 h	15.28	11.69	0.046	23.5%
AHS (acute hangover)	4 h	14.21	10.41	0.049	26.7%

Note: results may vary by individual.

References

Patent & journal

PatentKR 10-1958969
JournalFood Eng. Prog. 2018;22(2):110–117.

Source botanicals. Jeju Recov combines Dendropanax morbiferus (hwangchil) and Ecklonia cava (gamtae), both cultivated and harvested on Jeju. The marker compounds, chlorogenic acid and dieckol, correspond respectively to these two botanicals.