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Understanding the Silica Absorption Process for Better Health

Silicon is one of the most abundant trace elements in the human body, and its concentration in blood is similar to that of other elements essential for life (iron, copper, and zinc). It is found in tissues such as:

  • Blood vessel walls
  • Bone and cartilage
  • Skin, hair, and nails

 

For nutraceutical development, understanding how silicon is absorbed, distributed, and utilized is critical to selecting effective ingredient systems.

Silicon in the Diet and Human Physiology

Dietary silicon is found in sources such as:

  • Cereals and grains
  • Fruits and vegetables
  • Nuts and plant-based foods
  • Drinking water

 

However, naturally occurring silicon is often present in forms with limited bioavailability, which can restrict its functional contribution.

Why Chemical Form Matters in Formulation

Silicon can exist in multiple chemical forms, each with different characteristics:

  • Solubility in aqueous systems
  • Stability over time
  • Tendency to polymerize
  • Absorption potential

 

Highly polymerized forms (e.g., silica, silicates) tend to be poorly absorbed, while stabilized, low-molecular-weight forms are more suitable for nutraceutical applications.

Monomethylsilanetriol (MMST) as a Bioavailable Form

MMST (CH₃Si(OH)₃) is a stabilized derivative of Orthosilicic acid (OSA), designed to improve:

  • Solubility in aqueous environments
  • Resistance to polymerization
  • Compatibility with biological systems

 

Its molecular structure supports its use in formulations requiring consistent absorption and stability. (See post: LIVING SILICA’s Innovation: Unlocking Bioavailability for Better Results)

Overview of Silicon Absorption (ADME Framework)

The behavior of silicon in the body can be described using the pharmacokinetic framework of Absorption, Distribution, Metabolism, and Excretion (ADME).

A) Gastrointestinal Absorption

Following oral intake, bioavailable silicon forms:

  • Remain stable under gastrointestinal conditions
  • Are primarily absorbed in the small intestine
  • Can cross the intestinal barrier via passive diffusion

 

Low molecular weight and solubility are key factors influencing this process.

Figure 1. The four processes of silicon absorption are based on pharmacokinetics: absorption, metabolism, distribution, and excretion.

B) Transport in the Bloodstream

After absorption:

  • Silicon circulates in soluble form
  • It is distributed systemically to different tissues
  • Plasma levels may increase shortly after ingestion

 

This systemic availability enables interaction with structurally relevant tissues.

C) Tissue Distribution

Silicon is associated with tissues involved in structural and connective functions, including:

 

It is linked to biological processes such as:

  • Collagen-related pathways
  • Extracellular matrix organization
  • Mineralization processes

D) Elimination and Regulation

Silicon homeostasis is regulated by the body:

  • Excess silicon is primarily excreted via the kidneys
  • Urinary excretion is the main elimination route
  • Retention occurs in tissues where it is functionally relevant

 

This contributes to its generally favorable safety profile when used appropriately.

Figure 2. Schematic diagram of Absorption, Distribution, Metabolism, and Excretion (ADME) of Silica.

Bioavailability as a Key Formulation Parameter

From a product development perspective, the effectiveness of silicon depends on its ability to remain:

  • Soluble
  • Chemically stable
  • Resistant to polymerization
  • Readily absorbable

 

Ingredients that aggregate or polymerize during storage or digestion may show reduced functionality.

LIVING SILICA®: Formulation-Oriented Silicon Systems

Silicium Laboratories develops silicon ingredients designed to optimize performance in finished products.

The LIVING SILICA® portfolio includes:

  • Monomethylsilanetriol (MMST)
  • Acacia gum–stabilized MMST
  • Maltodextrin-stabilized orthosilicic acid (OSA)

(See post: Living Silica Ingredients for Bulk Supply and Private Label Development)

These systems are developed to support:

  • Stability across formats
  • Consistent absorption profiles
  • Compatibility with complex formulations

Applications in Nutraceutical Development

Bioavailable silicon ingredients can be incorporated into formulations targeting:

  • Bone and connective tissue support
  • Skin, hair, and nail applications
  • Active lifestyle and healthy aging concepts

 

Their effectiveness depends on delivering silicon in a stable and bioavailable form.

Supporting Advanced Formulation Strategies

As the nutraceutical industry evolves, there is increasing emphasis on ingredient functionality, bioavailability, and scientific validation.

Understanding the absorption and behavior of silicon enables more informed decisions in ingredient selection and product design.

Technical Documentation and Formulation Support

For specifications, scientific documentation, or formulation guidance:

  • +1 (305) 779-0171 | (877) 454 2486
  • lab@orgonolivingsilica.com

 

Or fill out our contact form to connect with our team:

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