A prospective observational study on the effect of D-alanine intake on amino acid metabolism in adult women 2

A prospective observational study on the effect of D-alanine intake on amino acid metabolism in adult women 2 - D-alanine intake study in healthy adult women 2

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059325

Enrollment

Registered

2025-10-11

Start date

2025-10-12

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

Age-related diseases

Interventions

Oral intake of 1g of D-alanine per day for 8 weeks while performing resistance training 3 times a week Oral administration of 1g of placebo per day for 8 weeks while performing resistance training 3 t

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: The subjects must meet all of the following criteria: 1) Those who are 18 years of age or older at the time of obtaining consent 2) Those who have given written informed consent to participate in this study

Exclusion criteria

Exclusion criteria: Those who meet any of the following criteria will be excluded. 1) Those who are currently visiting a hospital and taking medication 2) Those who are deemed inappropriate to be subjects by the principal investigator

Design outcomes

Primary

Measure	Time frame
Changes in blood and urinary D, L-amino acids eight weeks after starting D-alanine intake	—

Countries

Japan

Contacts

Public ContactTomohiro Sakuta

SHOWA WOMEN'S UNIVERSITY Department of Health Sciences

t-sakuta@swu.ac.jp+81-3-3411-7401

Outcome results

None listed

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