Comparison of Absorbability Between Calcium Tablet and Calcium Ion Water

A Randomized, Double-blind, Crossover Study to Compare the Absorbability Between Calcium Tablet and Calcium Ion Water

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01751204

Enrollment

Registered

2012-12-17

Start date

2012-11-30

Completion date

2013-02-28

Last updated

2013-03-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Brief summary

The purpose of this study is to evaluate the absorbability of calcium tablet and calcium ion water.

Interventions

DIETARY_SUPPLEMENTCalcium tablet

DIETARY_SUPPLEMENTCalcium ion water (250mg)

DIETARY_SUPPLEMENTCalcium ion water (125mg)

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

PREVENTION

Masking

TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender

FEMALE

Age

55 Years to 70 Years

Healthy volunteers

Yes

Inclusion criteria

* Postmenopausal females

Exclusion criteria

* Taking medicines or functional food that affect serum calcium levels * Diseases that affect bone * Renal or hepatic dysfunction * Heart disease * Participation in any clinical trial within 90 days of the commencement of the trial

Design outcomes

Primary

Measure	Time frame
Serum calcium profile (including AUC, Cmax, and Tmax)	Overall 2 hours

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026