🥗 Oral Supplements

Orthosilicic Acid

Colloidal Silica / Biosil / ch-OSA

AddressesAnti-Aging

What It Is

The bioavailable form of dietary silicon, involved in collagen hydroxylation, glycosaminoglycan production and bone mineralisation. Choline-stabilised orthosilicic acid (ch-OSA, Biosil) has strong clinical evidence — multiple RCTs show improvements in skin elasticity, fine lines, hair thickness and nail strength at 10mg/day over 20 weeks.

How to Use

Oral orthosilicic acid 5–10mg/day. Take with food. Biosil brand has the most clinical backing.

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