Royal jelly and cognitive function

Effects of royal jelly on cognitive function in postmenopausal women

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs041220049

Enrollment

Registered

2022-08-08

Start date

2022-08-08

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

subjective forgetfulness subjective forgetfulness

Interventions

Women in the royal jelly and placebo groups take capsules containing dried royal jelly (equivalent to 3000 mg of fresh royal jelly) or placebo, respectiv ely, daily for 6 months

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Postmenopausal women, aged 45-65 years, complaining of subjective forgetfulness

Exclusion criteria

Exclusion criteria: 1. Allergic to royal jelly, bee products, or milk 2. Asthma 3. Mini-Mental State Examination (MMSE) less tha n 23 4. Women who have any medical complications, o r take drugs that affect cognitive function

Design outcomes

Primary

Measure	Time frame
Cognitive function [CNS Vital Signs (Cognitrax)]	—

Secondary

Measure	Time frame
1. Mini-Mental State Examination (MMSE) 2. Serum amyloid beta	—

Contacts

Public ContactHiroshi Matsushita

Aichi Medical University School of Medicine

hirosm@aichi-med-u.ac.jp+81-561-62-3311

Outcome results

None listed

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