Silicon Dioxide and Magnesium Stearate (Vegetable Source)

Generally Safe Flow AgentSynthetic

Silicon Dioxide and Magnesium Stearate (Vegetable Source) is a synthetic 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. Silicon dioxide and magnesium stearate are used as flow agents to prevent clumping.

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

Safety Verdict: Generally Safe

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

What is Silicon Dioxide and Magnesium Stearate (Vegetable Source)?

Silicon dioxide and magnesium stearate are used as flow agents to prevent clumping.

Common Names Silicon Dioxide and Magnesium Stearate (Vegetable Source)
Type Flow Agent
Origin Synthetic / Manufactured
Safety Rating Generally Safe

Why is Silicon Dioxide and Magnesium Stearate (Vegetable Source) used in supplements?

They are used to improve powder flow during manufacturing.

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

Should you be concerned about Silicon Dioxide and Magnesium Stearate (Vegetable Source)?

Generally no. Silicon Dioxide and Magnesium Stearate (Vegetable Source) 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 Silicon Dioxide and Magnesium Stearate (Vegetable Source)

These 20 highest-scoring supplements in our database use Silicon Dioxide and Magnesium Stearate (Vegetable Source).

NOW Foods Glutathione, 250 mg, 60 Veg Capsules
NOW Foods Glutathione, 250 mg, 60 Veg Capsules
Product 100 Brand N/A
Jarrow Formulas Trans-Pterostilbene, 50 mg, 60 Veggie Capsules
Jarrow Formulas Trans-Pterostilbene, 50 mg, 60 Veggie Capsules
Product 100 Brand N/A
Jarrow Formulas Vegan S-Acetyl L-Glutathione, 100 mg, 60 Tablets
Jarrow Formulas Vegan S-Acetyl L-Glutathione, 100 mg, 60 Tablets
Product 100 Brand N/A
NOW Foods Glutathione, 250 mg, 120 Veg Capsules
NOW Foods Glutathione, 250 mg, 120 Veg Capsules
Product 100 Brand N/A
NOW Foods Calcium & Magnesium, 100 Tablets
NOW Foods Calcium & Magnesium, 100 Tablets
Product 90 Brand N/A
NOW Foods Horse Chestnut, 300 mg, 90 Veg Capsules
NOW Foods Horse Chestnut, 300 mg, 90 Veg Capsules
Product 90 Brand N/A
Jarrow Formulas R-Alpha Lipoic Acid with Biotin, 60 Veggie Capsules
Jarrow Formulas R-Alpha Lipoic Acid with Biotin, 60 Veggie Capsules
Product 87 Brand N/A
Kyolic Aged Garlic Extract™, Formula 107, 240 Capsules
Kyolic Aged Garlic Extract™, Formula 107, 240 Capsules
Product 87 Brand N/A
Kyolic Aged Garlic Extract™, Healthy Inflammation Response, 150 Capsules
Kyolic Aged Garlic Extract™, Healthy Inflammation Response, 150 Capsules
Product 87 Brand N/A
Kyolic Aged Garlic Extract™, Curcumin, Formula 111, 100 Capsules
Kyolic Aged Garlic Extract™, Curcumin, Formula 111, 100 Capsules
Product 87 Brand N/A
Kyolic Aged Garlic Extract™, Curcumin, 50 Capsules
Kyolic Aged Garlic Extract™, Curcumin, 50 Capsules
Product 87 Brand N/A
NOW Foods Coral Calcium, 350 mg, 100 Capsules
NOW Foods Coral Calcium, 350 mg, 100 Capsules
Product 87 Brand N/A
NOW Foods Coral Calcium, 1,000 mg, 250 Capsules
NOW Foods Coral Calcium, 1,000 mg, 250 Capsules
Product 87 Brand N/A
NOW Foods Sports, Tribulus, Men's Health, 500 mg, 100 Veg Capsules
NOW Foods Sports, Tribulus, Men's Health, 500 mg, 100 Veg Capsules
Product 87 Brand N/A
NOW Foods Chlorella, 60 Tablets (1,000 mg per Tablet)
NOW Foods Chlorella, 60 Tablets (1,000 mg per Tablet)
Product 87 Brand N/A
Jarrow Formulas Vegan Hyaluronic Acid, 60 Veggie Capsules
Jarrow Formulas Vegan Hyaluronic Acid, 60 Veggie Capsules
Product 87 Brand N/A
Jarrow Formulas Hyaluronic Acid, 120 Veggie Capsules
Jarrow Formulas Hyaluronic Acid, 120 Veggie Capsules
Product 87 Brand N/A
Kyolic Aged Garlic Extract Stress & Fatigue Relief Formula 101, 200 Tablets
Kyolic Aged Garlic Extract Stress & Fatigue Relief Formula 101, 200 Tablets
Product 87 Brand N/A
NOW Respir-All, 60 Tablets
NOW Respir-All, 60 Tablets
Product 86 Brand N/A
NOW Foods B-50, 100 Veg Capsules
NOW Foods B-50, 100 Veg Capsules
Product 85 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 Silicate Generally Safe Magnesium Stearate (Vegetable Source) and Silica Generally Safe Modified Cellulose Gum and Magnesium Stearate Generally Safe Organic Rice Concentrate Generally Safe
Frequently Asked Questions
Is Silicon Dioxide and Magnesium Stearate (Vegetable Source) safe in supplements?

Silicon Dioxide and Magnesium Stearate (Vegetable Source) 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 Silicon Dioxide and Magnesium Stearate (Vegetable Source) and why is it in my supplement?

Silicon dioxide and magnesium stearate are used as flow agents to prevent clumping. 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 Silicon Dioxide and Magnesium Stearate (Vegetable Source) natural or synthetic?

Silicon Dioxide and Magnesium Stearate (Vegetable Source) 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.

Check Any Supplement's Ingredients

Scan a barcode with GoodSupp to instantly see safety ratings for every ingredient.

Download on App Store
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.