The ‘Supermom’ Oregon Woman Sets Guinness World Record, Saves Thousands of Babies with Hyperlactation

An Oregon mother has been hailed as a humanitarian hero after setting a staggering Guinness World Record for the Largest Donated Amount of Breast Milk by an Individual.

Elisabeth Anderson-Sierra, a 36-year-old from Oregon, has officially donated an unbelievable 2,645 liters (over 700 U.S. gallons) of breast milk, an effort that has directly contributed to saving the lives of an estimated 350,000 premature and sick infants around the world.

Anderson-Sierra’s record-breaking production stems from a rare medical condition known as hyperlactation syndrome, which causes her body to produce an extraordinary, overwhelming excess of milk. Rather than allowing the excess to go to waste, she transformed her condition into a mission of compassion.

Her daily routine, involving hours of meticulous pumping, careful storage, and organizing the milk, was a grueling commitment alongside raising her own children. Despite the physical and time demands, she consistently donated every drop to milk banks and hospitals where fragile newborns desperately needed the superior nourishment and antibodies found only in human milk.

“Each bottle of milk she donated wasn’t just food—it was hope for newborns fighting for survival,” said a representative from a partner milk bank. “Her contribution is unparalleled and life-saving.”

Anderson-Sierra’s incredible generosity has made her an international symbol of kindness and the powerful force of motherhood. Her story—which has captured global attention—proves that one person’s determination and heart can truly change thousands of lives.

Her compassion and sacrifice ensure that premature babies, whose digestive and immune systems are often too underdeveloped for formula, receive the critical nutritional support necessary for survival and healthy development. Elisabeth Anderson-Sierra is not just a record holder; she is a hero whose compassion and staggering achievement will be remembered for generations.

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