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
Single morning (7-9 AM) draw is the simplest cortisol assessment — captures the diurnal peak. Low values (<6 μg/dL) screen for adrenal insufficiency; very high (>25) for Cushing's or recent stress. For richer adrenal-axis assessment, 4-point salivary diurnal cortisol (separate test) tracks the curve through the day. No direct peptide effects in common stacks. KEY CAVEATS: must be morning (7-9 AM); avoid recent acute stress, biotin >5mg/day, exogenous glucocorticoid use. Hormonal birth control elevates total cortisol (raises cortisol-binding globulin) — free cortisol is unaffected. CJC-1295 + Ipamorelin: GH axis activation modestly raises cortisol via cross-talk; not clinically significant in most users.
Have a recent Cortisol (serum, AM) 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.