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Enfamil NeuroPro vs Holle Bio Organic Stage 1
In independent testing, Enfamil NeuroPro showed lower heavy-metal levels overall (purity 98 vs 72). The full lab numbers, metal by metal:
| Purity score | 98A | 72B |
| Lead ppb | — | 3.3 |
| Cadmium ppb | 1.4 | 2.2 |
| Aluminum ppb | 89 | 422 |
| Price | $1.45/oz | $2.13/oz |
| Est. cost at 28 oz/day | $6.30/day | $9.24/day |
| Origin | US | Europe |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
EnfamilNeuroPro
HolleBio Organic Stage 1
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.