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Silicon/silica
Key facts
Daily Value (US FDA)—
Tolerable Upper Intake Level (UL)—
Median（Per day）5 mgP5 0.01 – P95 140
Products528
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=140; median=5 mg, MAD_log10=0.48
Daily dose across products（mg/day）
0.01 mglog scale · n=528375 mg
Label data from official national databases and brand websites, as declared; not lab-verified.
Common forms
| Form | Products | Median | P5–P95 | Elemental fraction |
|---|---|---|---|---|
| Silicon/silica horsetail | 202 | 24.5 mg | 3 – 200 | — |
| Silicon/silica orthosilicic acid | 30 | 5 mg | 5 – 6 | — |
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.