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Related Experiment Videos

Calcium intake and body weight.

K M Davies1, R P Heaney, R R Recker

  • 1Osteoporosis Research Center, Creighton University, Omaha, Nebraska 68131, USA.

The Journal of Clinical Endocrinology and Metabolism
|January 3, 2001
PubMed
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Higher calcium intake is linked to lower body weight in women across different age groups. Increased calcium consumption may aid in weight management and reduce the likelihood of being overweight.

Area of Science:

  • Nutritional Science
  • Human Physiology
  • Clinical Research

Background:

  • Calcium's role in skeletal health is well-established.
  • The relationship between calcium intake and body weight requires further investigation, particularly in diverse female populations.
  • Existing research has yielded mixed results regarding calcium's impact on body weight.

Purpose of the Study:

  • To reevaluate existing clinical studies to explore the association between calcium intake and body weight.
  • To analyze this association across different age groups of women.
  • To determine the quantitative relationship between calcium intake and body weight.

Main Methods:

  • Meta-analysis of five clinical studies with primary skeletal endpoints.
  • Inclusion of observational (cross-sectional and longitudinal) and one randomized controlled trial.

Related Experiment Videos

  • Analysis of body mass index and weight change in relation to calcium intake across three age cohorts (3rd, 5th, and 8th decades).

    • Main Results:

    • Significant negative associations between calcium intake and body weight were observed across all age groups.
    • Women with lower calcium intake had a 2.25 times higher odds of being overweight (BMI > 26).
    • Calcium supplementation in the controlled trial led to significant weight loss over approximately 4 years.

    Conclusions:

    • Calcium intake is inversely associated with body weight in women.
    • A 1000 mg difference in daily calcium intake corresponds to an 8 kg difference in mean body weight.
    • Calcium intake may explain approximately 3% of the variance in body weight.