All formulas
Head to head
Enfamil Gentlease vs Similac Sensitive
In independent testing, Enfamil Gentlease showed lower heavy-metal levels overall (purity 74 vs 66). The full lab numbers, metal by metal:
| Purity score | 74B | 66C |
| Lead ppb | 1.5 | 3.2 |
| Total Arsenic ppb | 3.7 | — |
| Cadmium ppb | 3.6 | 2.1 |
| Aluminum ppb | 1,480 | 1,053 |
| Price | $1.46/oz | $0.94/oz |
| Est. cost at 28 oz/day | $6.33/day | $4.08/day |
| Origin | US | US |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
EnfamilGentlease
SimilacSensitive
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.