86/100

Water

Reverse-Osmosis Filtered Water

Minimal burden — Reverse-Osmosis Filtered Water imposes minimal avoidable burden on your detox systems.

Under-sink RO system.

The breakdown

Each driver rated 0 (none) to 10 (worst)

Chemical hazard
1
Everyday exposure
2
Persistence
1

Evidence strength: strong · Detox Score = 100 − hazard×4.6 − exposure×3.4 − persistence×2.6, clamped 1–100.

What this means for you

A Detox Score of 86 places reverse-osmosis filtered water in the Minimal band. None of the three drivers is severe, which keeps the burden manageable. The most thorough consumer option — removes PFAS, lead, nitrates and most dissolved contaminants. Remineralize or eat a varied diet, as RO also strips minerals.

See where your whole exposure load is highest — free Exposure Score →

Frequently asked questions

Is reverse-osmosis filtered water a toxic exposure?

Reverse-Osmosis Filtered Water has a Detox Score of 86 out of 100 (Minimal burden), which means it imposes minimal avoidable burden on your detox systems. The most thorough consumer option — removes PFAS, lead, nitrates and most dissolved contaminants. Remineralize or eat a varied diet, as RO also strips minerals.

Why does reverse-osmosis filtered water score well?

Reverse-Osmosis Filtered Water scores 86/100 because its associated chemical hazard, everyday exposure and persistence are all low. The most thorough consumer option — removes PFAS, lead, nitrates and most dissolved contaminants. Remineralize or eat a varied diet, as RO also strips minerals.

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