Reference ranges
Optimal ranges are tighter than standard lab ranges and reflect functional-medicine targets, not the populations they were derived from. Reference bands depend on sex, age, and circumstance — Juno's lab analysis layers your profile context onto the printed range when you paste a value.
Peptide relevance
Most relevant for users on exogenous testosterone (TRT, anabolic-androgenic steroids) where aromatization raises E2 — aromatase inhibitors (anastrozole) are sometimes used in response. CJC-1295 + Ipamorelin: no consistent direct effect on E2; weight loss from any source modestly lowers E2 in men via reduced aromatase substrate. Tirzepatide / Semaglutide: weight loss can lower E2 in men with obesity. BPC-157 / TB-500: no documented E2 effect. RANGES SHOWN ARE FOR ADULT MEN. Premenopausal women have cycle-dependent E2 (roughly 30-400 pg/mL with ovulatory peak); postmenopausal women <30 pg/mL. The 'sensitive' (LC-MS/MS) assay is required for accurate low-level readings (men, postmenopausal women).
Have a recent Estradiol (sensitive assay) value?
Paste it on the lab analysis page. Juno reads your active stack + (if shared) your medications and conditions, and surfaces plausible contributors with citations. Doesn't diagnose.
Sign-in required. The analysis is saved to your private history and audit-logged.