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High-intensity exercise increases breast milk adiponectin concentrations: a randomised cross-over study.

Mads Holmen¹, Guro F Giskeødegård², Trine Moholdt^1,3

¹Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.

Frontiers in Nutrition

|January 2, 2024

Summary

High-intensity interval training (HIIT) may acutely increase adiponectin in breast milk, a hormone linked to infant metabolism. Further research is needed to understand the impact of exercise on breast milk adiponectin and infant health.

Keywords:

adipokine high-intensity interval training lactation nutrition obesity running

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Published on: May 18, 2018

Area of Science:

Endocrinology
Human Physiology
Infant Nutrition

Background:

Adiponectin regulates glucose and fat metabolism.
Human breast milk contains adiponectin, potentially influencing infant weight gain.
Previous studies show exercise increases circulating adiponectin, but breast milk levels are unstudied.

Purpose of the Study:

To investigate the acute effects of endurance exercise on adiponectin concentrations in human breast milk.
To compare the impact of moderate-intensity continuous training (MICT) and high-intensity interval training (HIIT) versus a resting condition.

Main Methods:

A randomized, cross-over study involving 20 breastfeeding mothers.
Breast milk samples collected at four time points after MICT, HIIT, or REST.
Adiponectin concentrations measured via enzyme-linked immunosorbent assay.

Main Results:

Adiponectin concentrations in breast milk significantly increased 1 hour after HIIT compared to the resting condition.
The increase observed after HIIT was statistically significant (p=0.025).
No other significant changes in breast milk adiponectin were detected after MICT or at other time points.

Conclusions:

High-intensity interval training (HIIT) may acutely elevate adiponectin levels in human breast milk.
Further research is warranted to explore the implications of exercise-induced changes in breast milk adiponectin on infant growth and metabolic outcomes.