Magnesium Stearate (Vegetable Source) and Silica

Generally Safe Flow AgentNatural

Magnesium Stearate (Vegetable Source) and Silica 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 stearate and silica are used as flow agents to improve powder flow during manufacturing.

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 Stearate (Vegetable Source) and Silica?

Magnesium stearate and silica are used as flow agents to improve powder flow during manufacturing.

Common Names Magnesium Stearate (Vegetable Source) and Silica
Type Flow Agent
Origin Natural / Plant-derived
Safety Rating Generally Safe

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

It is 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 Magnesium Stearate (Vegetable Source) and Silica?

Generally no. Magnesium Stearate (Vegetable Source) and Silica 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 Stearate (Vegetable Source) and Silica

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

Kyolic Aged Garlic Extract™, Cardiovascular & Immune, Reserve Formula 200, 120 Capsules (600 mg per Capsule)
Kyolic Aged Garlic Extract™, Cardiovascular & Immune, Reserve Formula 200, 120 Capsules (600 mg per Capsule)
Product 100 Brand N/A
Kyolic Aged Garlic Extract, Cardiovascular & Immune, Reserve Formula 200, 60 Capsules (600 mg per Capsule)
Kyolic Aged Garlic Extract, Cardiovascular & Immune, Reserve Formula 200, 60 Capsules (600 mg per Capsule)
Product 100 Brand N/A
Bio Nutrition Activated Coconut Charcoal, 90 Vegetarian Capsules (260 mg per Capsule)
Bio Nutrition Activated Coconut Charcoal, 90 Vegetarian Capsules (260 mg per Capsule)
Product 87 Brand N/A
NOW Foods Vegetarian Glucosamine '1000', 90 Veg Capsules (1,000 mg per Capsule)
NOW Foods Vegetarian Glucosamine '1000', 90 Veg Capsules (1,000 mg per Capsule)
Product 87 Brand N/A
NOW Ocu Support, 120 Capsules
NOW Ocu Support, 120 Capsules
Product 85 Brand N/A
NOW True Balance High Potency Multiple, 120 Capsules
NOW True Balance High Potency Multiple, 120 Capsules
Product 83 Brand N/A
NOW Foods Celadrin® & MSM, 120 Capsules
NOW Foods Celadrin® & MSM, 120 Capsules
Product 81 Brand N/A
NOW Foods 7-KETO, 100 mg, 120 Veg Capsules
NOW Foods 7-KETO, 100 mg, 120 Veg Capsules
Product 81 Brand N/A
NOW NOW Supplements, Vitamin C-500, Antioxidant Protection*, Orange Flavour Chewables, 100 Count
NOW NOW Supplements, Vitamin C-500, Antioxidant Protection*, Orange Flavour Chewables, 100 Count
Product 79 Brand N/A
NOW Clinical Strength Ocu Support, 90 Vegetarian Capsules
NOW Clinical Strength Ocu Support, 90 Vegetarian Capsules
Product 78 Brand N/A
NOW Foods Hyaluronic Acid With L-Proline, Alpha Lipoic Acid and Grape Seed Extract, 100 mg, 120 Veg Capsules
NOW Foods Hyaluronic Acid With L-Proline, Alpha Lipoic Acid and Grape Seed Extract, 100 mg, 120 Veg Capsules
Product 77 Brand N/A
NOW Foods AlphaSorb-C 500, 180 Veg Capsules
NOW Foods AlphaSorb-C 500, 180 Veg Capsules
Product 77 Brand N/A
NOW Foods L-Carnitine, 500 mg, 60 Veg Capsules
NOW Foods L-Carnitine, 500 mg, 60 Veg Capsules
Product 75 Brand N/A
NOW Foods Turmeric & Bromelain, 90 Veg Capsules
NOW Foods Turmeric & Bromelain, 90 Veg Capsules
Product 75 Brand N/A
Protocol For Life Balance Bromelain, 500 mg, 90 Veg Capsules
Protocol For Life Balance Bromelain, 500 mg, 90 Veg Capsules
Product 75 Brand N/A
Protocol For Life Balance L-Carnitine, 500 mg, 60 Veg Capsules
Protocol For Life Balance L-Carnitine, 500 mg, 60 Veg Capsules
Product 75 Brand N/A
Kyolic Brain Focus, 120 mg, 60 Vegetarian Caplets
Kyolic Brain Focus, 120 mg, 60 Vegetarian Caplets
Product 75 Brand N/A
NOW NOW Supplements, Magtein with patented form of Magnesium (Mg), Cognitive Support, 90 Veg Capsules
NOW NOW Supplements, Magtein with patented form of Magnesium (Mg), Cognitive Support, 90 Veg Capsules
Product 75 Brand N/A
NOW Pancreatin 10X, 200 mg, 100 Capsules
NOW Pancreatin 10X, 200 mg, 100 Capsules
Product 71 Brand N/A
NOW Foods NOW Super Enzymes, 90 Capsules (Pack of 2)
NOW Foods NOW Super Enzymes, 90 Capsules (Pack of 2)
Product 71 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 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 Stearate (Vegetable Source) and Silica safe in supplements?

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

Magnesium stearate and silica are used as flow agents to improve powder flow during manufacturing. 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 Stearate (Vegetable Source) and Silica natural or synthetic?

Magnesium Stearate (Vegetable Source) and Silica 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.