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Effects of complementary feeding on infant growth and gut health

Primary Objective

This study plans to learn more about how consuming different foods during the time of early complementary feeding (~5 to 12 months) affects your baby’s growth and the development of bacteria living inside your baby’s gut. The results from this study will help to support future recommendations and dietary guidance for infant feeding practices.

Study category: Digestive Health

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This is a seven month-long study, with visits occurring every month. The first and last visit will be conducted at Children’s Hospital Colorado, meanwhile the other 6 visits will be home visits. Compensation and study foods will be provided.

Main Procedures Involved: - Collection of stool, urine, breastmilk (if breastfeeding), and blood - Body composition and energy expenditure - Monthly weight, length, and head circumference measurements - Monthly 3-day diet records

Duration of Participation: 7 months



3-4 months old, born full term, have no previous complementary food exposure, have no health conditions that would affect growth, have not had antibiotics

Type of Study

Outcomes Research


Childrens Hospital Colorado

Principal Investigator
Minghua Tang,  PhD

Minghua Tang, PhD

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