Magnesium Silicate

Generally Safe Flow AgentNatural

Magnesium Silicate is a naturally derived flow agent used in dietary supplements. Safety rating: Generally Safe. It is generally considered safe for most people at standard doses. Found in 20 supplements in the GoodSupp database. Magnesium silicate is a mineral used as an anti-caking agent.

20 Products use this
Generally Safe Safety rating
Flow Agent Category
Yes Natural origin

Safety Verdict: Generally Safe

This ingredient is rated generally safe for use in dietary supplements.

What is Magnesium Silicate?

Magnesium silicate is a mineral used as an anti-caking agent.

Common Names Magnesium Silicate, talc
Type Flow Agent
Origin Natural / Plant-derived
Safety Rating Generally Safe

Why is Magnesium Silicate used in supplements?

It is used to improve powder flow and prevent clumping.

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

Should you be concerned about Magnesium Silicate?

Generally no. Magnesium Silicate is considered safe for most people at typical supplement doses. Some individuals may want to be aware of minor sensitivities.

Low risk. Generally safe for most people in supplement amounts.

Top-rated products containing Magnesium Silicate

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

21st Century Chelated Magnesium Glycinate, 90 Capsules, (100 mg per Capsule)
21st Century Chelated Magnesium Glycinate, 90 Capsules, (100 mg per Capsule)
Product 100 Brand N/A
21st Century Standardized Ginseng Extract, 60 Vegetarian Capsule (100 mg per Capsule)
21st Century Standardized Ginseng Extract, 60 Vegetarian Capsule (100 mg per Capsule)
Product 100 Brand N/A
21st Century Digestive Enzymes, 60 Capsules
21st Century Digestive Enzymes, 60 Capsules
Product 100 Brand N/A
21st Century Berberine HCI, 60 Vegetarian Capsules (500 mg per Capsule)
21st Century Berberine HCI, 60 Vegetarian Capsules (500 mg per Capsule)
Product 100 Brand N/A
Doctor's Best Acetyl-L-Carnitine, 120 Veggie Caps (500 mg per Cap)
Doctor's Best Acetyl-L-Carnitine, 120 Veggie Caps (500 mg per Cap)
Product 100 Brand N/A
Doctor's Best SAM-e, 200 mg, 60 Enteric Coated Tablets
Doctor's Best SAM-e, 200 mg, 60 Enteric Coated Tablets
Product 100 Brand N/A
21st Century K2, MK-7, 100 mcg, 110 Vegetarian Capsules
21st Century K2, MK-7, 100 mcg, 110 Vegetarian Capsules
Product 100 Brand N/A
21st Century CoQ10, 200 mg, 120 Capsules
21st Century CoQ10, 200 mg, 120 Capsules
Product 100 Brand N/A
21st Century CoQ10, 100 mg, 150 Capsules
21st Century CoQ10, 100 mg, 150 Capsules
Product 100 Brand N/A
Mason Natural Vitamin B-2, 100 mg, 100 Tablets
Mason Natural Vitamin B-2, 100 mg, 100 Tablets
Product 100 Brand N/A
Vital Nutrients Magnesium (Citrate), 100 Vegan Capsule (150 mg per Capsule)
Vital Nutrients Magnesium (Citrate), 100 Vegan Capsule (150 mg per Capsule)
Product 100 Brand N/A
21st Century Horse Chestnut Extract, Standardized, 60 Vegetarian Capsules (300 mg per Capsules)
21st Century Horse Chestnut Extract, Standardized, 60 Vegetarian Capsules (300 mg per Capsules)
Product 100 Brand N/A
Doctor's Best Acetyl-L-Carnitine, 60 Veggie Caps (500 mg Per capsule)
Doctor's Best Acetyl-L-Carnitine, 60 Veggie Caps (500 mg Per capsule)
Product 100 Brand N/A
Vital Nutrients Acetyl L-Carnitine, 500 mg, 60 Vegan Capsules
Vital Nutrients Acetyl L-Carnitine, 500 mg, 60 Vegan Capsules
Product 100 Brand N/A
Force Factor Caffeine, 200 mg, 250 Tablets
Force Factor Caffeine, 200 mg, 250 Tablets
Product 100 Brand N/A
21st Century Beet Root, 90 Capsules (500 mg per Capsule)
21st Century Beet Root, 90 Capsules (500 mg per Capsule)
Product 100 Brand N/A
Force Factor Caffeine, 200 mg, 100 Tablets
Force Factor Caffeine, 200 mg, 100 Tablets
Product 100 Brand N/A
Doctor's Best SAM-e, 400 mg
Doctor's Best SAM-e, 400 mg
Product 100 Brand N/A
Foster & Thrive Magnesium Glycinate 200 mg Capsules for Muscle Relaxation
Foster & Thrive Magnesium Glycinate 200 mg Capsules for Muscle Relaxation
Product 100 Brand N/A
Vital Nutrients B-Complex, 120 Vegan Capsules
Vital Nutrients B-Complex, 120 Vegan Capsules
Product 95 Brand N/A
Related Ingredients
Calcium Silicate Safe Colloidal Silicon Dioxide Generally Safe Colloidal Silicon Dioxide and Magnesium Stearate Generally Safe Hydrated Silica 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 Magnesium Silicate safe in supplements?

Magnesium Silicate is rated generally safe for most people at amounts commonly found in supplements. While the overall safety profile is favorable, some individuals may experience minor sensitivities. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

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

Magnesium silicate is a mineral 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 Magnesium Silicate natural or synthetic?

Magnesium Silicate is naturally derived, meaning it comes from natural sources such as plants, minerals, or animal products rather than being chemically synthesized. Natural-origin ingredients are preferred by many consumers, though it's important to note that 'natural' does not automatically mean 'safer' — safety depends on the specific substance, its purity, and the amount used. The safety rating assigned by GoodSupp is based on the ingredient's actual safety profile, not its origin.

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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. 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.