All formulas
Head to head
Holle Bio Organic Stage 1 vs Similac 360 Total Care
In independent testing, Similac 360 Total Care showed lower heavy-metal levels overall (purity 76 vs 72). The full lab numbers, metal by metal:
| Purity score | 72B | 76B |
| Lead ppb | 3.3 | 2.8 |
| Total Arsenic ppb | — | 3.2 |
| Cadmium ppb | 2.2 | 1.4 |
| Aluminum ppb | 422 | 653 |
| Price | $2.13/oz | $1.14/oz |
| Est. cost at 28 oz/day | $9.24/day | $4.94/day |
| Origin | Europe | US |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
HolleBio Organic Stage 1
Similac360 Total Care
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.