All brand scorecards
Water bottles
Nalgene
Tritan plastic bottles. BPA-free but Tritan contains bisphenol-S alternatives with similar concerns.
C
Mixed
Grade C: Mixed
Some clean products, some concerning. Read labels carefully and pick specific SKUs.
What the brand gets right
- Near-indestructible
- Clear plastic makes contents visible
What to be aware of
- Tritan contains BPS, a BPA replacement with similar endocrine activity
- All plastic bottles shed microplastics over time
Better-rated alternatives
Klean Kanteen
AStainless steel bottles with stainless interiors. No plastic in contact with liquid.
Hydro Flask
APopular stainless steel insulated bottles. Non-plastic interior across the range.
Iron Flask
AAffordable stainless steel bottles with full-stainless interior. Budget alternative to Hydro Flask.