English version in progress: interface and data are in English; some explanatory text is still in Chinese.
Spermidine
Key facts
Daily Value (US FDA)—
Tolerable Upper Intake Level (UL)—
Median（Per day）3 mgP5 0.1 – P95 10
Products15
Sources: internal: supp.db label distribution (DSLD/LNHPD/NPRA/brand sites), dose_stats s · no authoritative UL; hard_high = max(median x 10^max(2, 5*MAD_log10), 10 x P95); P95=10; median=3.873 mg, MAD_log10=0.41
Daily dose across products（mg/day）
0.1 mglog scale · n=1510 mg
Label data from official national databases and brand websites, as declared; not lab-verified.
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.