Health and Productivity Management program " #Watashi no kinkatsu" : Verification of effects on the gut environment and subjective health by mushroom consumption among employees

Health and Productivity Management program " #Watashi no kinkatsu" : Verification of effects on the gut environment and subjective health by mushroom consumption among employees - Health and Productivity Management program " #Watashi no kinkatsu" : Verification of effects on the gut environment and subjective health by mushroom consumption among employees

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060293

Enrollment

Registered

2026-01-08

Start date

2026-01-30

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 male/female adults

Interventions

Ingestion of mushrooms at 40 g per day for 4 weeks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Male or female employees of HOKUTO Group (HOKUTO Corporation or Hokuto Industry Corporation) who are aged 20 years or older at the time of informed consent. (2) Subjects who receive explanation about the study, are able to understand the contents, and provide written informed consent by themselves.

Exclusion criteria

Exclusion criteria: (1) Individuals who have taken medications that may affect the gut environment (e.g., antibiotics, intestinal regulators, laxatives) within 1 month prior to starting intake of the test food, or who cannot restrict such use during the study. Use for hay fever is permitted. (2) Individuals who are currently participating in another clinical trial of drugs or health foods, within 4 weeks after completing another trial, or who plan to participate in another clinical trial after consenting to this study. (3) Individuals with excessive alcohol consumption. (4) Individuals who have undergone surgery within 6 months prior to consent that may affect the study (e.g., colorectal endoscopic surgery, cholecystectomy for gallstones, gastric bypass). (5) Individuals with a history or current serious disease of the heart, liver, kidneys, or gastrointestinal tract. (6) Individuals who are pregnant, breastfeeding, or intend to become pregnant during the study period. (7) Individuals with a mushroom allergy or who cannot tolerate mushrooms. (8) Individuals judged by the principal investigator to be unsuitable for participation in this study.

Design outcomes

Primary

Measure	Time frame
Fecal metabolites (short-chain fatty acids and organic acids)	—

Secondary

Measure	Time frame
1Defecation status (the number of days, frequency, property, feeling of incomplete evacuation, abdominal pain) 2Presenteeism 3Subjective health status 4Body weight	—

Countries

Japan

Contacts

Public ContactNanako Sugawara

HOKUTO Corporation R & D

nanako.ishiyama@hokto-kinoko.co.jp026-296-3211

Outcome results

None listed

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

Health and Productivity Management program &quot; #Watashi no kinkatsu&quot; : Verification of effects on the gut environment and subjective health by mushroom consumption among employees