Effect on immunity by taking enzyme supplements derived from 65 kinds of plants and 12 kinds of lactic acid bacteria

Effect on immunity by taking enzyme supplements derived from 65 kinds of plants and 12 kinds of lactic acid bacteria: a randomized, double blind, placebo-controlled study - Effect on immunity by taking enzyme supplements derived from 65 kinds of plants and 12 kinds of lactic acid bacteria

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000045192

Enrollment

Registered

2021-08-23

Start date

2021-08-23

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

Take the test article for 12 weeks Take the placebo for 12 weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Subjects who often suffer from colds, those who are more likely to get sick than before

Exclusion criteria

Exclusion criteria: 1.Subjects with food allergies 2.Pregnant women, lactating women, and those who are planning to become pregnant during the test period 3.Subjects who are currently going to the hospital or receiving a doctor's prescription due to chronic illness 4.Subjects who have a serious illness 5.Subjects who are receiving hormone replacement therapy 6.Subjects who have been diagnosed with chronic fatigue (chronic fatigue syndrome) 7.Subjects who are taking supplements / medicines that affect the effect of the test product

Design outcomes

Primary

Measure	Time frame
Subjective evaluation	—

Secondary

Measure	Time frame
QOL scale	—

Countries

Japan

Contacts

Public ContactTakeshi Kaneko

Japan Clinical Trial Association N.A.

info@yakujihou.org0364574666

Outcome results

None listed

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