Swap when you can — real concerns — worth finding a cleaner option.
6
out of 10
The why
Nalgene Tritan — 'BPA-free' Tritan copolyester. University of Texas 2011 study found Tritan leaches chemicals with estrogenic activity. Eastman disputed findings but concern remains. Switch to stainless.
What's in it
Tritan copolyesterBPA-substitute
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