Study on the absorption and urinary excretion of minerals from vegetable juices

Study on the absorption and urinary excretion of minerals from vegetable juices - Study on the absorption and urinary excretion of minerals from vegetable juices

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041954

Enrollment

Registered

2020-10-01

Start date

2020-10-02

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

healthy

Interventions

Intake of tomato-containing vegetable juice (7 days) &gt

Washout (3 days) &gt

Intake of concentrated vegetable juice (7 days) &gt

Intake of vegetable juice (7 days) Intake of concentrated vegetable juice (7 days) &gt

Intake of vegetable juice (7 days) &gt

Intake of tomato-containing vegetable juice (7 days) Intake of vegetable juice (7 days) &gt

Intake of concentrated vegetable juice (7 days)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Healthy Japanese men or postmenopausal Japanese women, the ages of more than 20 years old and less than 65 years old 2) Subjects who can fill out a web survey with a smartphone or iPhone 3) Subjects who get the sufficient explanation of the purpose and content of this study, have the ability to consent, voluntarily apply with the sufficient understanding, and approve of the participation in the document

Exclusion criteria

Exclusion criteria: 1) Subjects with severe hepatic, renal, cardiac, pulmonary, gastrointestinal, hematologic, endocrine and metabolic diseases/disorders 2) Subjects who have diseases/disorders with continuous medical treatment or have medical history of severe diseases/disorders needed medical treatment 3) Subjects who receive medical treatment for digestive diseases/disorders which affect this study, or have surgical history of digestive system (except appendectomy) 4) Subjects with food allergies to ingredients in vegetable juices used in this study 5) Subjects who have received dietary guidance on potassium from a doctor or nutritionist 6) Subjects who habitually drink vegetable juices at least three times a week 7) Subjects who have been watching salt reduction and prefer a lighter taste 8) Any candidate considered to be unsuitable for enrollment based on his/her answers of lifestyle questionnaire 9) Subjects who had participated in other clinical trials including drug and food within 1 month 10) Subjects who are judged as inappropriate by investigators

Design outcomes

Primary

Measure	Time frame
urinary sodium/potassium ratio	—

Secondary

Measure	Time frame
Salt intake estimates	—

Countries

Japan

Contacts

Public ContactShigeru Imai

Leverage Brain Inc. Clinical Trial Department

imai@levbrain.com080-7290-0404

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026