Is silicon dioxide the same as sand?

Chemically, both are SiO₂, but food-grade silicon dioxide is an amorphous (non-crystalline) form produced specifically for food safety, with controlled particle size and purity. Crystalline silica (quartz) is a different form with different health implications and is not used as a food additive.

At what inclusion level is silicon dioxide typically used?

0.5–2% w/w in most food and supplement blends. The optimal level depends on the specific hygroscopicity of the blend — too little has minimal effect; too much can adversely affect tableting properties or texture.

Ingredient Encyclopedia

Silicon Dioxide (Food Grade)

Quick Summary

Category: Food Additives · Sourcing Origin: Germany · Form: Fine powder · Standard Pack Size: confirm directly
INS 551 — JECFA ADI: "not specified"; FDA GRAS; one of the most commonly used anti-caking and flow agents in food and supplement manufacturing
Functions as an anti-caking agent, free-flow agent, and carrier/dispersing agent for other ingredients
Use level is low (typically 0.5–2% in a formulation) but impact on powder handling is significant

What Is Silicon Dioxide (Food Grade)?

Silicon dioxide (SiO₂), also called silica, is an amorphous form of silicon dioxide used as a food additive. In its food-grade form, it is a fine white powder with an extremely large surface area and high porosity, which gives it its remarkable ability to absorb moisture from the surrounding powder matrix and prevent the clumping (caking) of hygroscopic ingredients. It also improves powder flowability in capsule-filling and tableting operations — a critical quality parameter in supplement manufacturing.

The YNP catalogue lists silicon dioxide sourced from Germany — notably, it is one of the few ingredients in the catalogue with a European (non-China, non-India) sourcing origin, reflecting the specific manufacturing expertise required for high-quality food-grade silica.

Specification & Form

Attribute	Detail
Chemical formula	SiO₂
Form	Fine white amorphous powder
Function	Anti-caking agent, flow agent, carrier
INS number	551
Sourcing origin	Germany (YNP catalogue)
Pack size	Confirm directly with team
Regulatory status	Codex INS 551; FDA GRAS (21 CFR 172.480); EU E551

How It's Sourced

YNP Ingredients sources Silicon Dioxide (food grade) from a certified manufacturer in Germany, supplied with FSSAI-compliant documentation.

Applications

Anti-caking agent in powdered supplement blends (prevents hygroscopic ingredients from clumping)
Flow agent in capsule-filling and tableting operations (improves powder flow through filling machinery)
Carrier for liquid flavours, vitamins, or other ingredients in powder format
Moisture scavenger in moisture-sensitive powder formulations (protects ingredients like L-Carnitine Base and certain vitamins)

Industries Served

Nutraceuticals/Dietary Supplements · Functional Food · Bakery & Confectionery

Buyer Checklist

Pack size and MOQ confirmed directly with team (typically lower volume than 25 kg for a processing aid)
Use level confirmed (typically 0.5–2% w/w in finished blend — more than 2% may affect tablet/capsule properties)
COA confirming purity, heavy metals, and food-grade compliance
FSSAI-compliant documentation confirmed

Frequently Asked Questions

Related Glossary Terms

Related Downloads

COA Review Checklist

References

Company Information

YNP Ingredients, Silicon Dioxide product page, ynpingredients.com (Germany sourcing, FSSAI documentation)

Industry Information

Codex Alimentarius. GSFA — INS 551, Silicon dioxide.
JECFA. *Silicon dioxide and silicates — Compendium of Food Additive Specifications.* ADI: not specified.
FDA. *21 CFR 172.480 — Silicon dioxide.* GRAS affirmation.

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