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Dr. Brown's GentlePro vs Similac NeoSure

In independent testing, Dr. Brown's GentlePro showed lower heavy-metal levels overall (purity 94 vs 56). The full lab numbers, metal by metal:

Purity score
Lead ppb3.5
Inorganic Arsenic ppb8.7
Total Arsenic ppb4.49
Aluminum ppb100799
Price$1.50/oz$1.62/oz
Est. cost at 28 oz/day$6.52/day$7.05/day
OriginUSUS
BaseCow's milkCow's milk
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Dr. Brown'sGentlePro
SimilacNeoSure

Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.