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Nutrition and osteoporosis

E M Lau¹, J Woo

¹Department of Community & Family Medicine, Chinese University of Hong Kong, Shatin, N.T., Hong Kong.

Current Opinion in Rheumatology

|September 2, 1998

Summary

Calcium and Vitamin D supplementation can help prevent osteoporosis and fractures, especially in at-risk groups. While beneficial, sustained effects and optimal dosages for bone health require further investigation.

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Area of Science:

Nutritional Science
Bone Metabolism
Gerontology

Background:

Osteoporosis is a significant health concern influenced by nutritional factors.
Calcium and Vitamin D are crucial for bone health, particularly in aging populations.
Dietary habits impact calcium absorption and bone density.

Purpose of the Study:

To review the role of nutritional factors in osteoporosis.
To evaluate the efficacy of calcium and Vitamin D supplementation for bone health.
To identify dietary components affecting bone density and calcium balance.

Main Methods:

Literature review of clinical trials and observational studies.
Analysis of data on calcium and Vitamin D supplementation effects.
Examination of the relationship between dietary intake and bone health outcomes.

Main Results:

Calcium supplementation (500-800 mg/d) shows potential benefits for bone calcium gain and fracture prevention, particularly in adolescents and postmenopausal women.
Vitamin D supplementation is effective in preventing hip fractures in vitamin D-deficient elderly individuals.
High sodium intake correlates with calcium excretion, and high protein, fiber, phytate, oxalate, and caffeine intake may negatively affect calcium absorption.

Conclusions:

Calcium and Vitamin D supplementation are valuable strategies for osteoporosis prevention and management.
Optimal dosage and long-term efficacy of supplementation require further research.
Dietary modifications, including managing sodium and protein intake, are important for maintaining bone health.

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