Effect of ingestion of Kale (Brassica oleracea) juice on physical size, intelligence, and common cold in primary school children -An open label study -

Effect of ingestion of Kale (Brassica oleracea) juice on physical size, intelligence, and common cold in primary school children -An open label study - - Effect of ingestion of Kale juice on physical size, intelligence, and common cold in primary school children

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023934

Enrollment

600

Registered

2016-09-06

Start date

2016-09-06

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 volunteer

Interventions

Ingestion of kale juice 5days a week in 9-month treatment period Not ingesution of kale juice in 9-month treatment period

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Healthy boys and girls from elementary school 2 to 4 grade (2)The children and their parent (or guardian) can understand this study and have the written informed consent

Exclusion criteria

Exclusion criteria: (1) Subjects having physical and mental developmental disabilities, or a severe disease (2) Subjects taking antioxidant functional health foods or supplements (3)Subjects receiving anticoagulants or the intake restriction vitamin K (4) Subjects who cannot drink kale juice, (5) Subjects having allergy to brassica vegetable or dextrin (6) Subjects having a plan of moving during the test period (7)Subjects deemed unsuitable by the investigato

Design outcomes

Primary

Measure	Time frame
WISC-IV score (WMI, PSI), physical size(Height, weight, eyesight, grip strength), frequency of ULTI and diarrhea	—

Countries

Asia(except Japan)

Contacts

Public ContactSayuri Matsuoka

FANCL Corporation Fancl Research Institute

matsuoka@fancl.co.jp045-820-3449

Outcome results

None listed

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