# BioSil (Choline-stabilized orthosilicic acid)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/biosil
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** ch-OSA, Choline-stabilized orthosilicic acid, Stabilized orthosilicic acid, Bioavailable silicon complex, Monomethylsilanetriol choline salt, Organosilicon supplement

## Overview

BioSil is a patented form of choline-stabilized orthosilicic acid (ch-OSA) that delivers bioavailable silicon directly to connective tissues. It activates prolyl hydroxylase, a key enzyme in [collagen synthesis](/ingredients/condition/skin-health), while also stimulating fibroblast activity to increase dermal collagen and elastin production.

## Health Benefits

• Increased skin elasticity by 8.5% after 20 weeks (double-blind RCT, n=50)
• Enhanced [collagen production](/ingredients/condition/skin-health) as measured by dermal hydroxyproline levels (clinical evidence)
• Stronger hair and reduced hair brittleness (reported in clinical trials)
• Improved nail strength and reduced brittleness (clinical trial reports)
• Potential bone density support (product claims reference trials, specific data not detailed)

## Mechanism of Action

Choline-stabilized orthosilicic acid delivers silicon in the bioavailable orthosilicic acid (Si(OH)4) form, which activates prolyl hydroxylase, the enzyme responsible for hydroxylating proline residues during collagen triple-helix formation. This stabilization of collagen precursors increases dermal hydroxyproline content, a direct biomarker of net collagen deposition. Additionally, silicon ions stimulate dermal fibroblasts to upregulate elastin and glycosaminoglycan synthesis, improving the structural integrity of the extracellular matrix.

## Clinical Summary

A double-blind, placebo-controlled RCT (n=50) demonstrated a statistically significant 8.5% increase in [skin elasticity](/ingredients/condition/skin-health) after 20 weeks of ch-OSA supplementation at 10 mg/day. The same trial measured increased dermal hydroxyproline levels, confirming enhanced collagen biosynthesis rather than merely subjective improvement. Separate clinical trials have reported reductions in hair brittleness and improved nail strength, though these studies tend to have smaller sample sizes and shorter durations. Overall evidence quality is moderate; results are promising but replication in larger, independent trials is needed to confirm long-term efficacy.

## Nutritional Profile

BioSil (Choline-stabilized orthosilicic acid) is a specialized bioactive supplement, not a food-based ingredient, and therefore contains no meaningful macronutrients (carbohydrates, fats, or proteins) in functional quantities. Active compound: orthosilicic acid (OSA) — the monomeric, water-soluble form of silicon (Si), stabilized with choline chloride to prevent polymerization into insoluble silica. Typical liquid drop formulation delivers approximately 5 mg of elemental silicon per serving (6 drops), with choline contributing approximately 100 mg per serving as the stabilizing carrier molecule. Silicon concentration in BioSil liquid is approximately 6.7 mg/mL. Orthosilicic acid (Si(OH)4) represents the bioavailable fraction of silicon; bioavailability of OSA from this formulation is reported at approximately 64% absorption in human studies, substantially higher than dietary silicon sources (e.g., silica from plant foods ~4% bioavailability, silicon from water ~50%). Choline component contributes to phospholipid synthesis and methyl-group [metabolism](/ingredients/condition/weight-management) as a secondary benefit. No significant vitamins, dietary minerals, fiber, or protein content. Silicon in OSA form acts as a biochemical cofactor supporting hydroxylation enzymes involved in collagen cross-linking (prolyl and lysyl hydroxylases) and glycosaminoglycan synthesis. Caloric content is negligible (<1 kcal per serving).

## Dosage & Preparation

Clinically studied dosage: 10 mg silicon (as ch-OSA) per day, typically split into morning/evening doses. Available forms include: liquid drops (5 mg Si per 5 drops, twice daily), capsules (6 mg Si per capsule), and vegan mini-capsules (5 mg Si per capsule). Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

BioSil at the clinically studied dose of 10 mg silicon per day is generally well tolerated, with no serious adverse events reported in published trials. The choline carrier component may interact with cholinergic medications or supplements, and individuals sensitive to choline should exercise caution. There are no well-documented contraindications for healthy adults, but silicon-containing supplements are not recommended for individuals with chronic kidney disease, as impaired renal clearance may lead to silicon accumulation. Safety data in pregnant or breastfeeding women is insufficient, so use during pregnancy should be avoided without physician guidance.

## Scientific Research

A key double-blind, placebo-controlled RCT (PMID: 16205932) tested 10 mg Si/day of ch-OSA in 50 women over 20 weeks, demonstrating significantly increased [skin elasticity](/ingredients/condition/skin-health) and dermal collagen markers versus placebo with no adverse effects. Product literature references additional double-blind trials for hair, nails, and bone density, though specific PMIDs are not provided in available sources.

## Historical & Cultural Context

No historical or traditional medicinal use exists for ch-OSA or BioSil, as it is a patented modern synthetic formulation. While silicon occurs naturally in foods and beverages like beer and mineral water, this stabilized form lacks documented use in traditional medicine systems.

## Synergistic Combinations

Vitamin C, Biotin, Collagen peptides, Hyaluronic acid, MSM

## Frequently Asked Questions

### What is the recommended dosage of BioSil for skin and hair benefits?

The clinically studied and most commonly recommended dose of BioSil is 10 mg of silicon per day, delivered as choline-stabilized orthosilicic acid, typically split into two 5 mg doses. This dosage was used in the key 20-week double-blind RCT that demonstrated an 8.5% improvement in skin elasticity and increased dermal collagen levels. Taking it with food is generally advised to minimize any potential gastrointestinal discomfort.

### How long does it take for BioSil to show results?

Clinical trial data indicates measurable improvements in skin elasticity and dermal hydroxyproline levels appear after approximately 20 weeks (roughly 5 months) of consistent daily supplementation at 10 mg silicon. Hair and nail brittleness improvements have been reported within similar timeframes in separate trials. Because BioSil works by gradually upregulating collagen and elastin synthesis via fibroblast activation, results are incremental rather than immediate.

### Is BioSil the same as regular silicon or silica supplements?

No, BioSil (ch-OSA) is distinct from generic silicon dioxide (silica) supplements commonly found in the market. Silica is largely insoluble and poorly absorbed in the gastrointestinal tract, whereas orthosilicic acid (Si(OH)4) is the water-soluble, bioavailable form of silicon that tissues can actually utilize. The choline stabilization in BioSil prevents orthosilicic acid from polymerizing into insoluble forms in the bottle, maintaining its bioavailability upon ingestion.

### Can BioSil be taken with collagen peptide supplements?

Yes, BioSil and collagen peptide supplements can be taken together and may work synergistically through complementary mechanisms. Collagen peptides provide exogenous amino acid substrates like proline and glycine, while BioSil activates prolyl hydroxylase to enhance the body's own collagen cross-linking and stabilization. There are no known adverse interactions between ch-OSA and hydrolyzed collagen products, making this a popular combination in skin health protocols.

### Is BioSil safe for people with kidney disease?

BioSil is not recommended for individuals with chronic kidney disease (CKD) or significantly impaired renal function. Silicon is primarily excreted through the kidneys, and reduced clearance in CKD patients could lead to elevated plasma silicon levels over time, with uncertain long-term consequences. Patients with any degree of renal impairment should consult a nephrologist before using any silicon-containing supplement, including BioSil.

### What makes choline-stabilized orthosilicic acid (BioSil) more effective than other silicon supplements?

Choline-stabilized orthosilicic acid is a patented form designed for superior bioavailability compared to traditional silica or colloidal silicon supplements. The choline stabilization allows the orthosilicic acid to remain in its most absorbable form in the body, preventing it from polymerizing into less bioavailable compounds. Clinical studies demonstrate that this specific formulation achieves measurable increases in skin elasticity (8.5% improvement) and collagen production, outcomes not consistently shown with other silicon supplement forms.

### Does BioSil interact with medications or common supplements?

BioSil has a favorable safety profile with minimal documented interactions, though it is best taken separately from iron supplements as silicon may affect mineral absorption. If you take medications for bone health, thyroid function, or antacids, consult your healthcare provider since silicon can interact with medication absorption timing. It combines safely with collagen peptides, vitamin C, and most beauty-focused supplement stacks based on available evidence.

### Who should prioritize BioSil supplementation based on the research?

BioSil is most beneficial for individuals seeking visible improvements in skin elasticity, nail strength, and hair quality—populations that showed measurable clinical benefits in double-blind trials. People with compromised collagen production due to aging or those unable to achieve sufficient dietary silicon intake are ideal candidates. It may also support those with joint or bone health concerns, though evidence is strongest for connective tissue improvements in skin, hair, and nails.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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