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Head to head
Happy Baby Organics Sensitive vs Similac Advance
In independent testing, Similac Advance showed lower heavy-metal levels overall (purity 88 vs 82). The full lab numbers, metal by metal:
| Purity score | 82B | 88A |
| Lead ppb | 2.4 | 2 |
| Aluminum ppb | 516 | 144 |
| Price | $1.57/oz | $0.81/oz |
| Est. cost at 28 oz/day | $6.83/day | $3.53/day |
| Origin | US | US |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
Happy Baby OrganicsSensitive
SimilacAdvance
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.