PFAS Are Damaging Insulin-Producing Cells in Women
NonToxCo Research
Science & Safety Team · 4/7/2026
The cells that make your insulin are being damaged by PFAS. And the more PFAS in your blood, the worse they function.
31 PFAS Compounds Tested
A 2026 study in J Clin Endocrinol Metab measured 31 different PFAS compounds in adult women and tested their relationship to glucose metabolism and beta cell function.
Each doubling of the seven most common PFAS was linked to a 5-9% increase in the proinsulin-to-insulin ratio, a marker of beta cell dysfunction. PFOS and PFHxS were the main drivers.
What Beta Cell Dysfunction Means
Your beta cells in the pancreas produce insulin. When they malfunction, they release more proinsulin (the unfinished version) instead of functional insulin. That's an early warning sign on the path to type 2 diabetes.
PFAS are essentially wearing down the cells responsible for blood sugar control.
Alternative PFAS Aren't Safe Either
The study tested both legacy PFAS (like PFOS) and newer alternatives. Both categories showed associations with beta cell problems. The "safer" replacements aren't protecting your pancreas.
What You Can Do
Filter your drinking water with a system certified for PFAS removal. Avoid nonstick cookware and grease-resistant food packaging. And browse non-toxic home essentials for PFAS-free alternatives.
Also see non-toxic kitchen essentials for safer alternatives.