BPA (Bisphenol A)
Also: Bisphenol A · 4,4'-isopropylidenediphenol · 2,2-bis(4-hydroxyphenyl)propane · resin code 7
Avoid — well-documented endocrine disruptor associated with lower testosterone and sperm quality in human studies.
Testosterone & hormonal load
BPA binds to estrogen receptors (ERα and ERβ) and inhibits androgen receptor signaling. Multiple human cohort studies show associations between urinary BPA and lower total testosterone, lower sperm concentration, and worse sperm motility. Men with occupational BPA exposure show dose-dependent testosterone suppression. BPA also interferes with thyroid hormone signaling.
Found in.
Two jurisdictions, two different verdicts.
Banned in baby bottles since 2011. Migration limit reduced to 0.05 mg/kg under EU Regulation 2018/213. Classified as a Substance of Very High Concern (SVHC) under REACH.
Banned in baby bottles and sippy cups (2012). Authorized for other food contact uses. FDA position: safe at current exposure levels, though this is contested by independent researchers.
The receipts.
- [01]Liu et al. 2015 — BPA exposure and reproductive hormones among male adults (PubMed)pubmed.ncbi.nlm.nih.gov/25818109/
- [02]Meeker et al. 2010 — Urinary BPA and sperm quality (PubMed)pubmed.ncbi.nlm.nih.gov/20656017/
- [03]EU Regulation 2018/213 — BPA migration limitseur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32018R0213
Find BPA (Bisphenol A) before it finds you.
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