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Head to head
Similac Alimentum vs Similac Sensitive
In independent testing, Similac Sensitive showed lower heavy-metal levels overall (purity 82 vs 28). The full lab numbers, metal by metal:
| Purity score | 28F | 82B |
| Lead ppb | 6.9 | 2.1 |
| Inorganic Arsenic ppb | 15.1 | — |
| Total Arsenic ppb | 18 | — |
| Cadmium ppb | 3.2 | 3.2 |
| Price | $2.17/oz | $0.94/oz |
| Est. cost at 28 oz/day | $9.44/day | $4.08/day |
| Origin | US | US |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
SimilacAlimentum
SimilacSensitive
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.