Breast milk is often referred to as “liquid gold” for newborns, thanks to its unmatched nutritional value and immune-boosting properties. For many mothers—especially those who are working, traveling, or managing feeding schedules—expressing and storing breast milk becomes a practical necessity. But with storage comes a common question: Can you refreeze breast milk once it has been thawed? This question touches on both safety and nutritional integrity, and the answer depends on several key factors.