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Head to head
Bubs Stage 1 Organic Grass Fed vs Holle Bio Organic Stage 1
In independent testing, Bubs Stage 1 Organic Grass Fed showed lower heavy-metal levels overall (purity 77 vs 72). The full lab numbers, metal by metal:
| Purity score | 77B | 72B |
| Lead ppb | 1.9 | 3.3 |
| Total Arsenic ppb | 2.9 | — |
| Cadmium ppb | 1.9 | 2.2 |
| Aluminum ppb | 1,985 | 422 |
| Price | $1.70/oz | $2.13/oz |
| Est. cost at 28 oz/day | $7.40/day | $9.24/day |
| Origin | AU / NZ | Europe |
| Base | Cow's milk | Cow's milk |
| Buy | Buy |
BubsStage 1 Organic Grass Fed
HolleBio Organic Stage 1
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.