Are plastic sippy cup lids safe for toddlers?
Worth avoiding. BPA leaches from plastic, especially when heated. Use glass or stainless steel.
What's actually in it
BPA (bisphenol A) is used to harden polycarbonate plastics and line metal cans. It leaches into food and drinks, especially when heated or scratched. BPA acts like estrogen in the body at low concentrations.
Many "BPA-free" products use BPS or BPF instead. Early research suggests these alternatives may behave similarly to BPA.
What the research says
A 2026 study in toxicol appl pharmacol looked at chemical exposure from everyday products and found: Ghrelin-disrupting activity of arsenic and its relation to cardiometabolic Rossi KN(1), Abedin F(2), Mohanto NC(3), Ahmed B(2), Mia S(2), Uddin N(2), Rimi RK(2), Goni O(2), Sarder SJ(2),.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Ghrelin-disrupting activity of arsenic and its relation to cardiometabolic diseases. | Toxicol Appl Pharmacol | 2026 |
What to use instead
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