Effect of yogurt on a urinary marker of bone resorption in postmenopausal women

Robert P. Heaney, Karen Rafferty, M. Susan Dowell

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Adding three servings of yogurt to the daily diet of older women with habitually low calcium intakes resulted in a significant reduction in urinary excretion of N-telepeptide, a marker for bone resorption. Results were compared to the effects of three servings of a nutrition-poor snack and differences were apparent 7-10 days of starting the diet change. The satiety effect of the snacks resulted in a decrease in intake of other foods. The added nutrients of the yogurt improved overall diet quality substantially, while diet quality declined with the nutrient-poor snack. The results show that diets low in dairy intake are often marginal for several nutrients and that, so far as calcium is concerned, bone makes up for what the diet lacks. Moreover, bone resorption responds rapidly and sensitively to improvements in calcium intake that are readily achievable by an older female population.

Original languageEnglish (US)
Pages (from-to)1672-1674
Number of pages3
JournalJournal of the American Dietetic Association
Issue number11
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • Food Science
  • Nutrition and Dietetics


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