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Enfamil Enspire Optimum vs Enfamil NeuroPro Gentlease
In independent testing, Enfamil NeuroPro Gentlease showed lower heavy-metal levels overall (purity 77 vs 75). The full lab numbers, metal by metal:
| Purity score | 75B | 77B |
| Lead ppb | — | 1.6 |
| Total Arsenic ppb | — | 5.4 |
| Cadmium ppb | 2.3 | 2.7 |
| Aluminum ppb | — | 141 |
| Price | $1.85/oz | $1.61/oz |
| Est. cost at 28 oz/day | $8.05/day | $6.99/day |
| Origin | US | US |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
EnfamilEnspire Optimum
EnfamilNeuroPro Gentlease
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.