117 nipples across 23 brands — with lab-measured flow rates, cross-brand compatibility, and symptom-based guidance. Because "slow flow" means something different on every brand.
Browse the database →Flow Rate Decoder
Your baby is gulping. What nipple has the same label but slower actual flow?
Try it →Symptom Matcher
Baby is gassy, clicking, or refusing the bottle. Get nipple-change recommendations backed by research.
Try it →Why labels aren't enough
Clinical testing shows that nipples labeled "slow flow" range from 1.68 to 15+ mL/min — a 9× difference. Comotomo's slow flow delivers the same volume as Dr. Brown's Level 2 (medium flow). This database shows actual measured rates alongside manufacturer labels. Source →