Silicon Dioxide and Stearic Acid (Vegetable Source)

Generally Safe LubricantNatural

Silicon Dioxide and Stearic Acid (Vegetable Source) is a naturally derived lubricant used in dietary supplements. Safety rating: Generally Safe. It is generally considered safe for most people at standard doses. Found in 12 supplements in the GoodSupp database. Silicon dioxide is a flow agent and stearic acid is a lubricant.

12 Products use this
Generally Safe Safety rating
Lubricant Category
Yes Natural origin

Safety Verdict: Generally Safe

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

What is Silicon Dioxide and Stearic Acid (Vegetable Source)?

Silicon dioxide is a flow agent and stearic acid is a lubricant.

Common Names Silicon Dioxide and Stearic Acid (Vegetable Source)
Type Lubricant
Origin Natural / Plant-derived
Safety Rating Generally Safe

Why is Silicon Dioxide and Stearic Acid (Vegetable Source) used in supplements?

They are added to improve manufacturing by preventing ingredients from sticking to machinery and improving powder flow.

Role in supplements: Lubricant — prevents ingredients from sticking to manufacturing equipment during tableting and encapsulation.

Should you be concerned about Silicon Dioxide and Stearic Acid (Vegetable Source)?

Generally no. Silicon Dioxide and Stearic Acid (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 Stearic Acid (Vegetable Source)

These 12 highest-scoring supplements in our database use Silicon Dioxide and Stearic Acid (Vegetable Source).

NOW Foods Biotin, 10 mg, 120 Veg Capsules
NOW Foods Biotin, 10 mg, 120 Veg Capsules
Product 93 Brand N/A
NOW Foods Magnesium Caps, 400 mg, 180 Veg Capsules
NOW Foods Magnesium Caps, 400 mg, 180 Veg Capsules
Product 93 Brand N/A
NOW Foods GABA with Vitamin B-6, 500 mg, 100 Veg Capsules
NOW Foods GABA with Vitamin B-6, 500 mg, 100 Veg Capsules
Product 78 Brand N/A
NOW Foods GABA with Vitamin B-6, 200 Veg Capsules
NOW Foods GABA with Vitamin B-6, 200 Veg Capsules
Product 78 Brand N/A
NOW Foods Iron Complex Caps, 100 Veg Capsules
NOW Foods Iron Complex Caps, 100 Veg Capsules
Product 77 Brand N/A
NOW Foods Sports, Kre-Alkalyn® Creatine, 240 Veg Capsules (0.75 g per Capsule)
NOW Foods Sports, Kre-Alkalyn® Creatine, 240 Veg Capsules (0.75 g per Capsule)
Product 75 Brand N/A
NOW Foods Elderberry, 500 mg, 120 Veg Capsules
NOW Foods Elderberry, 500 mg, 120 Veg Capsules
Product 75 Brand N/A
NOW Foods Elderberry, 500 mg, 60 Veg Capsules
NOW Foods Elderberry, 500 mg, 60 Veg Capsules
Product 75 Brand N/A
Jarrow Formulas Alpha GPC, 300 mg, 60 Veggie Capsules
Jarrow Formulas Alpha GPC, 300 mg, 60 Veggie Capsules
Product 75 Brand N/A
NOW Foods Cranberry with PACs, 90 Veg Capsules
NOW Foods Cranberry with PACs, 90 Veg Capsules
Product 72 Brand N/A
NOW Foods Cranberry Caps, 100 Veg Capsules
NOW Foods Cranberry Caps, 100 Veg Capsules
Product 71 Brand N/A
Protocol For Life Balance Raw Maca, 750 mg, 90 Veg Capsules
Protocol For Life Balance Raw Maca, 750 mg, 90 Veg Capsules
Product 62 Brand N/A
Related Ingredients
Calcium Palmitate Generally Safe Calcium Stearate Generally Safe Cellulose and Magnesium Stearate Generally Safe Glyceryl Behenate Safe Magnesium Stearate Safe Magnesium Stearate (Plant Based) Generally Safe Magnesium Stearate (Veg.) Generally Safe Magnesium Stearate (Vegetable Grade) Generally Safe
Frequently Asked Questions
Is Silicon Dioxide and Stearic Acid (Vegetable Source) safe in supplements?

Silicon Dioxide and Stearic Acid (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, 12 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Silicon Dioxide and Stearic Acid (Vegetable Source) and why is it in my supplement?

Silicon dioxide is a flow agent and stearic acid is a lubricant. As a lubricant, it prevents ingredients from sticking to manufacturing equipment during the tableting and encapsulation process, ensuring consistent production. It appears in 12 products in the GoodSupp database.

Is Silicon Dioxide and Stearic Acid (Vegetable Source) natural or synthetic?

Silicon Dioxide and Stearic Acid (Vegetable Source) 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.