Calcium Silicate

Safe Flow AgentSynthetic

Calcium Silicate is a synthetic flow agent used in dietary supplements. Safety rating: Safe. It is widely considered safe at typical supplement doses. Found in 20 supplements in the GoodSupp database. A mineral compound used as an anti-caking agent.

20 Products use this
Safe Safety rating
Flow Agent Category
No Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Calcium Silicate?

A mineral compound used as an anti-caking agent.

Common Names Calcium Silicate
Type Flow Agent
Origin Synthetic / Manufactured
Safety Rating Safe

Why is Calcium Silicate used in supplements?

Prevents ingredient clumping during manufacturing.

Role in supplements: Flow agent — prevents powder clumping and ensures uniform filling of capsules.

Should you be concerned about Calcium Silicate?

No. Calcium Silicate is widely regarded as safe for use in dietary supplements at typical levels. It has a long history of use and is accepted by major regulatory bodies.

No action needed. This ingredient is safe at amounts used in supplements.

Top-rated products containing Calcium Silicate

These 20 highest-scoring supplements in our database use Calcium Silicate.

Nature's Truth St. John's Wort, 90 Quick Release Capsules (300 mg per Capsule)
Nature's Truth St. John's Wort, 90 Quick Release Capsules (300 mg per Capsule)
Product 100 Brand N/A
Life Extension PS Caps, 100 mg, 100 Vegetarian Capsules
Life Extension PS Caps, 100 mg, 100 Vegetarian Capsules
Product 100 Brand N/A
Nutricost Betaine Anhydrous, Unflavored
Nutricost Betaine Anhydrous, Unflavored
Product 100 Brand N/A
Nutricost Betaine Anhydrous 750 mg
Nutricost Betaine Anhydrous 750 mg
Product 100 Brand N/A
Nutricost L-Citrulline Malate 2:1, Unflavored
Nutricost L-Citrulline Malate 2:1, Unflavored
Product 100 Brand N/A
RAW Pump 2, Pre-Workout, Unflavored
RAW Pump 2, Pre-Workout, Unflavored
Product 100 Brand N/A
Nature's Way Schisandra Fruit, 100 Vegan Capsules
Nature's Way Schisandra Fruit, 100 Vegan Capsules
Product 100 Brand N/A
Force Factor CoQ10, 100 mg, 60 Vegetable Capsules
Force Factor CoQ10, 100 mg, 60 Vegetable Capsules
Product 100 Brand N/A
Nutricost Creatine Monohydrate Variety Pack 5.2- 6.7 g
Nutricost Creatine Monohydrate Variety Pack 5.2- 6.7 g
Product 100 Brand N/A
Force Factor Ultimate Magnesium Glycinate Drink Mix Raspberry Lemon
Force Factor Ultimate Magnesium Glycinate Drink Mix Raspberry Lemon
Product 100 Brand N/A
Nutricost L-Methionine 500 mg
Nutricost L-Methionine 500 mg
Product 100 Brand N/A
Nutricost L-Citrulline Malate 2:1, Blue Raspberry
Nutricost L-Citrulline Malate 2:1, Blue Raspberry
Product 100 Brand N/A
Nutricost L-Citrulline Malate 2:1, Blue Raspberry
Nutricost L-Citrulline Malate 2:1, Blue Raspberry
Product 100 Brand N/A
Nutricost L-Citrulline Malate 2:1, Fruit Punch
Nutricost L-Citrulline Malate 2:1, Fruit Punch
Product 100 Brand N/A
Nutricost L-Citrulline Malate 2:1, Strawberry Kiwi
Nutricost L-Citrulline Malate 2:1, Strawberry Kiwi
Product 100 Brand N/A
Nutricost L-Citrulline Malate 2:1, Fruit Punch
Nutricost L-Citrulline Malate 2:1, Fruit Punch
Product 100 Brand N/A
Nutricost L-Citrulline Malate 2:1, Unflavored
Nutricost L-Citrulline Malate 2:1, Unflavored
Product 100 Brand N/A
Force Factor Primal Origins™, Colostrum, Unflavored
Force Factor Primal Origins™, Colostrum, Unflavored
Product 100 Brand N/A
PrePrimal Pre-Workout, Tropical Rain
PrePrimal Pre-Workout, Tropical Rain
Product 100 Brand N/A
Nutricost Pantothenic Acid - Vitamin B5, 500 mg
Nutricost Pantothenic Acid - Vitamin B5, 500 mg
Product 100 Brand N/A
Related Ingredients
Colloidal Silicon Dioxide Generally Safe Colloidal Silicon Dioxide and Magnesium Stearate Generally Safe Hydrated Silica Generally Safe Magnesium Silicate Generally Safe Magnesium Stearate (Vegetable Source) and Silica Generally Safe Modified Cellulose Gum and Magnesium Stearate Generally Safe Organic Rice Concentrate Generally Safe Organic Rice Extract Blend and Silica Generally Safe
Frequently Asked Questions
Is Calcium Silicate safe in supplements?

Yes. Calcium Silicate is rated safe for use in dietary supplements at typical levels. This rating is based on regulatory assessments, published safety research, and its long history of use in the supplement industry. It is widely accepted by major regulatory bodies including the FDA and EFSA. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Calcium Silicate and why is it in my supplement?

A mineral compound used as an anti-caking agent. As a flow agent, it prevents powder ingredients from clumping and ensures uniform filling of capsules during manufacturing. It appears in 20 products in the GoodSupp database.

Is Calcium Silicate natural or synthetic?

Calcium Silicate is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.