Nurture a Gifted Brain, Raise a Gifted Kid ONLY with PROMIL®! Double Up your Kid's Brain Development with Wyeth Nutrition® PROMIL® FOUR! It is the ONLY one with both clinically proven MOS+** and DHA within the NutriGift System to nurture your kid's gifted brain! PROMIL® FOUR is a growing-up milk, intended for preschoolers 3+ years old. **MOS+ = Milk Oligosaccharides, study conducted among infants Breastmilk is still the best for babies up to 2 years of age and beyond.