The patented, innovative design of the Dr. Brown’s Natural Flow® provides the following health benefits: Unique internal vent eliminates the vacuum and air bubbles, to help reduce colic, spit-up, burping and gas.

The vent also eliminates the teat from collapsing.

By eliminating the negative pressure, it can help reduce build up of fluid in baby's ear Positive-pressure design mimics breastfeeding and is ideal for breast milk and formula alike.

Wide Neck 240ml Dr. Brown’s Natural Flow® baby bottle with Level-One teat.

A complete feeding system for happier babies. Created by a physician, Dr. Brown’s Natural Flow® has a USA patented internal vent system that actually helps promote good health in babies.

Quite simply, it looks and works unlike any other bottle