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Head to head
Enfamil Enspire Optimum vs Kendamil Whole Milk
In independent testing, Enfamil Enspire Optimum showed lower heavy-metal levels overall (purity 100 vs 91). The full lab numbers, metal by metal:
| Purity score | 100A | 91A |
| Lead ppb | — | 1.6 |
| Aluminum ppb | 50 | 200 |
| Price | $1.85/oz | $1.49/oz |
| Est. cost at 28 oz/day | $8.05/day | $6.47/day |
| Origin | US | Europe |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
EnfamilEnspire Optimum
KendamilWhole Milk
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.