Effect of Royal Jelly on muscle strength in free-living elderly people: A randomized controlled pilot study

Effect of Royal Jelly on muscle strength in free-living elderly people: A randomized controlled pilot study - Royal Jelly and sarcopenia

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000004057

Enrollment

Registered

2010-08-17

Start date

2010-08-01

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

Sarcopenia

Interventions

Control (placebo) low-does Royal Jelly (Royal Jelly: 1.2g/d) high-does Royal Jelly (Royal Jelly: 4.8g/d)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: self-independent elderly living at home

Exclusion criteria

Exclusion criteria: allergic constitution, visual and hearing impairment, depression, dementia, etc.

Design outcomes

Primary

Measure	Time frame
grip strength, one-leg standing duration with vision, 5-meter maximum walk test, timed up and go test	—

Secondary

Measure	Time frame
Cortisol, Dehydroepiandrosterone-Sulfate (DHEA-S), etc.	—

Countries

Japan

Contacts

Public ContactNiu Kaijun

School of Public Health, Tianjin Medical University Department of Epidemiology

nkj0809@163.com+86-13114814477

Outcome results

None listed

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