Effect of feeding black ginger supplement on improvement of cold intolerance

Effect of feeding black ginger supplement on improvement of cold intolerance - Effect of feeding black ginger supplement on improvement of cold intolerance

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042764

Enrollment

Registered

2021-01-13

Start date

2021-01-13

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 adult

Interventions

The subjects ingested the placebo meal for 28 days. The subjects ingested the active meal for 28 days.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Healthy male and female between 20 and 70 years old 2) Individuals who has subjective symptoms of cold intolerance 3) Individuals who can refrain from over drinking and over eating during the test period 4) Individuals who understand the purpose and contents of the experiment

Exclusion criteria

Exclusion criteria: 1)Subjects who are contracting or treating severe diabetes and kidney and/or liver diseases 2)Individuals who have a chronic diseases and regularly use drugs 3)Pregnant women, or women with intending to become pregnant, and lactating woman 4)Individuals participating or intending to participate in a drug administration test 5)Individuals judged by the doctor to be unsuitable

Design outcomes

Primary

Measure	Time frame
Skin surface temperature of fingers and feet	—

Secondary

Measure	Time frame
Vas questionaire (1)cold intolerance of whole body (2)cold intolerance of limbs (3)fatigue (4)shoulder stiffness (5)quality of sleep (6)constipation	—

Countries

Japan

Contacts

Public ContactHideki Ito

Univercity of Nagasaki Regional Partner Center

katanaka@sun.ac.jp0958135216

Outcome results

None listed

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