The Effect of Liquorice on Plasma Potassium

Lakritsin Vaikutus Kaliumpitoisuuteen

Status

Terminated

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00927017

Enrollment

Registered

2009-06-24

Start date

2009-06-30

Completion date

2010-03-31

Last updated

2010-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

Healthy volunteers

Brief summary

The hypothesis is that liquorice lowers plasma potassium. This study aims to elucidate the dose-response of this effect with two doses of liquorice (66 grams or 102 grams) per day for two weeks.

Interventions

OTHERLiquorice 66 g/day

Liquorice 66 g/day for two weeks

OTHERLiquorice 102 g/day

Liquorice 102 g/day for two weeks

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to 40 Years

Healthy volunteers

Yes

Inclusion criteria

* healthy volunteers * age 18-40

Exclusion criteria

* any continuous medication * hypertension or hypotension * allergy to liquorice * pregnancy or lactation * difficult venipuncture * drug or alcohol abuse * participation in pharmaceutical trial

Design outcomes

Primary

Measure	Time frame
Change in plasma potassium	1 week, 2 weeks

Countries

Finland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026