Dr. Brown's is known for their Dr. Brown's Natural Flow ® bottle, which is the only bottle «to feature an internal vent system that helps reduce colic, spit - up, burping and gas
by eliminating negative pressure and
air bubbles, helps preserve vitamins C, A, & E
by minimizing oxidation of breastmilk and formula, and provides vacuum - free feeding similar to breastfeeding.»
Designed
by a doctor in 1996, Dr. Brown's Natural Flow is the only baby bottle to feature an internal vent system that helps reduce colic, spit - up, burping and gas
by eliminating negative pressure and
air bubbles.