All formulas
Head to head
Enfamil ProSobee Simply Plant-Based vs Up&Up Soy
In independent testing, Up&Up Soy showed lower heavy-metal levels overall (purity 63 vs 49). The full lab numbers, metal by metal:
| Purity score | 49D | 63C |
| Lead ppb | 2.8 | 3.4 |
| Inorganic Arsenic ppb | 7.9 | 5.3 |
| Total Arsenic ppb | 10.3 | 6.7 |
| Cadmium ppb | 6.2 | 4.6 |
| Price | $1.48/oz | $0.67/oz |
| Est. cost at 28 oz/day | $6.44/day | $2.90/day |
| Origin | US | US |
| Base | Soy | Soy |
| Buy | Buy |
EnfamilProSobee Simply Plant-Based
Up&UpSoy
Lab data: Consumer Reports independent testing, March 2025. Purity scores are relative to the tested cohort — methodology. Not medical advice; consult your pediatrician.