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Head to head
Bubs Stage 1 Organic Grass Fed vs Similac Advance
In independent testing, Similac Advance showed lower heavy-metal levels overall (purity 84 vs 76). The full lab numbers, metal by metal:
| Purity score | 76B | 84B |
| Lead ppb | 1.9 | 2 |
| Total Arsenic ppb | 2.9 | — |
| Cadmium ppb | 1.9 | — |
| Aluminum ppb | 1,985 | 414 |
| Price | $1.70/oz | $0.81/oz |
| Est. cost at 28 oz/day | $7.40/day | $3.53/day |
| Origin | AU / NZ | US |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
BubsStage 1 Organic Grass Fed
SimilacAdvance
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.