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Related Experiment Video

Updated: Jul 18, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

Vitamin K status in the elderly.

Sarah L Booth¹

¹Vitamin K Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts 02111, USA. sarah.booth@tufts.edu

Current Opinion in Clinical Nutrition and Metabolic Care

|December 5, 2006

Summary

Elderly individuals may need more vitamin K to prevent bone loss and fractures. Further research is needed to understand non-dietary factors influencing vitamin K status in older adults.

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Last Updated: Jul 18, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

Area of Science:

Gerontology
Nutritional Science
Biochemistry

Background:

Poor vitamin K nutrition is linked to chronic diseases and abnormal calcification in the elderly.
Assessing vitamin K nutritional status is crucial for understanding healthy aging.

Purpose of the Study:

To evaluate the adequacy of vitamin K nutritional status in the elderly.
To identify determinants of vitamin K status in older adults.

Main Methods:

Review of recent studies on vitamin K intake and status in the elderly.
Meta-analysis of data on vitamin K and bone health.
Exploration of nondietary determinants, including estrogen interactions.

Main Results:

Elderly consume more vitamin K than younger adults, but some do not meet recommended intakes.
Increased vitamin K intake is associated with reduced bone loss and fracture risk.
Nondietary factors significantly influence vitamin K status in the elderly.

Conclusions:

Emerging evidence supports increased vitamin K intake recommendations for the elderly.
More research is needed to identify and understand nondietary determinants of vitamin K status in this population.