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Assessing calcium status and metabolism.

C M Weaver¹

¹Department of Foods and Nutrition, Purdue University, West Lafayette, IN 47907.

The Journal of Nutrition

|November 1, 1990

Summary

Assessing calcium status is challenging due to a lack of reliable indicators. Fasting urinary calcium:creatinine ratios show potential for evaluating recent calcium levels, aiding in deficiency and disease research.

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Area of Science:

Nutritional biochemistry
Human physiology
Public health

Background:

Current methods for assessing calcium status are limited and not widely used.
Biochemical markers for calcium status are few and often insufficient.
Accurate calcium status assessment is crucial for understanding its role in various health conditions.

Purpose of the Study:

To review current challenges in assessing calcium status.
To explore potential indicators for calcium status, including urinary calcium:creatinine ratios.
To highlight the need for reliable methods to link calcium status with diseases.

Main Methods:

Literature review of existing calcium assessment tools and biochemical markers.
Discussion of the potential utility of fasting urinary calcium:creatinine ratios.
Examination of the relationship between calcium intake, bone mass, and calcium conservation.

Main Results:

No universally accepted tool for assessing population or individual calcium status exists.
Fasting urinary calcium:creatinine ratios are proposed as a promising, cost-effective indicator of recent calcium status.
Bone mass measurements reflect long-term calcium adequacy but not recent intake.

Conclusions:

Reliable indicators of calcium status are needed to establish links with diseases like osteoporosis, hypertension, and colon cancer.
Further research into methods like urinary calcium:creatinine ratios is warranted.
Understanding calcium assimilation and conservation is key to defining calcium deficiency.

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