Stearic Acid

Safe LubricantNatural

Stearic Acid is a naturally derived lubricant 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 naturally occurring fatty acid used as a lubricant.

20 Products use this
Safe Safety rating
Lubricant Category
Yes Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Stearic Acid?

A naturally occurring fatty acid used as a lubricant.

Common Names Stearic Acid
Type Lubricant
Origin Natural / Plant-derived
Safety Rating Safe

Why is Stearic Acid used in supplements?

Helps ingredients flow smoothly through manufacturing equipment.

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

Should you be concerned about Stearic Acid?

No. Stearic Acid 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 Stearic Acid

These 20 highest-scoring supplements in our database use Stearic Acid.

Doctor's Best High Absorption Magnesium Lysinate Glycinate, Chelated, Albion® TRAACS®, 120 Tablets, (100 mg Per tablet)
Doctor's Best High Absorption Magnesium Lysinate Glycinate, Chelated, Albion® TRAACS®, 120 Tablets, (100 mg Per tablet)
Product 100 Brand N/A
California Gold Nutrition Women's Probiotics with Probiotic Bacteria Blend, Bifidobacterium lactis, Lactobacillus acidophilus, and Lactobacillus rhamnosus, 20 Billion CFU, 60 Veggie Capsules
California Gold Nutrition Women's Probiotics with Probiotic Bacteria Blend, Bifidobacterium lactis, Lactobacillus acidophilus, and Lactobacillus rhamnosus, 20 Billion CFU, 60 Veggie Capsules
Product 100 Brand N/A
California Gold Nutrition L-Theanine, Featuring AlphaWave, 100 mg, 30 Veggie Capsules
California Gold Nutrition L-Theanine, Featuring AlphaWave, 100 mg, 30 Veggie Capsules
Product 100 Brand N/A
Doctor's Best High Absorption Magnesium Lysinate Glycinate, Chelated, Albion® TRAACS®, 240 Tablets (100 mg Per tablet)
Doctor's Best High Absorption Magnesium Lysinate Glycinate, Chelated, Albion® TRAACS®, 240 Tablets (100 mg Per tablet)
Product 100 Brand N/A
Life Extension Super Selenium Complex & Vitamin E, 200 mcg, 100 Vegetarian Capsules
Life Extension Super Selenium Complex & Vitamin E, 200 mcg, 100 Vegetarian Capsules
Product 100 Brand N/A
California Gold Nutrition Acidophilus and Bifidus, Probiotic Blend with Lactobacillus acidophilus, Bifidobacterium lactis, and Bifidobacterium longum, 60 Veggie Capsules
California Gold Nutrition Acidophilus and Bifidus, Probiotic Blend with Lactobacillus acidophilus, Bifidobacterium lactis, and Bifidobacterium longum, 60 Veggie Capsules
Product 100 Brand N/A
Planetary Herbals KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule)
Planetary Herbals KSM-66® Ashwagandha Root Extract, 120 Vegetarian Capsules (300 mg per Capsule)
Product 100 Brand N/A
Planetary Herbals KSM-66® Ashwagandha Root Extract, 60 Vegetarian Capsules (300 mg per Capsule)
Planetary Herbals KSM-66® Ashwagandha Root Extract, 60 Vegetarian Capsules (300 mg per Capsule)
Product 100 Brand N/A
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 100 mg, 60 Veggie Capsules
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 100 mg, 60 Veggie Capsules
Product 100 Brand N/A
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 200 mg, 60 Veggie Capsules
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 200 mg, 60 Veggie Capsules
Product 100 Brand N/A
Swanson Magnesium Taurate, 120 tablets (100 mg per Tablet)
Swanson Magnesium Taurate, 120 tablets (100 mg per Tablet)
Product 100 Brand N/A
Life Extension Vitamin B12 Methylcobalamin, 1 mg, 60 Vegetarian Lozenges
Life Extension Vitamin B12 Methylcobalamin, 1 mg, 60 Vegetarian Lozenges
Product 100 Brand N/A
Natural Factors Vitamin B2, Riboflavin, 100 mg, 90 Tablets
Natural Factors Vitamin B2, Riboflavin, 100 mg, 90 Tablets
Product 100 Brand N/A
Nature's Way Riboflavin Vitamin B2, 400 mg, 30 Tablets
Nature's Way Riboflavin Vitamin B2, 400 mg, 30 Tablets
Product 100 Brand N/A
Bluebonnet Nutrition Chelated Calcium Magnesium, 120 Caplets
Bluebonnet Nutrition Chelated Calcium Magnesium, 120 Caplets
Product 100 Brand N/A
KAL Calcium Citrate D-3, 90 Tablets
KAL Calcium Citrate D-3, 90 Tablets
Product 100 Brand N/A
BariatricPal Calcium Citrate + D3, 180 Coated Tablets
BariatricPal Calcium Citrate + D3, 180 Coated Tablets
Product 100 Brand N/A
KAL Calcium Citrate 1000, 180 Tablets (333 mg per Tablet)
KAL Calcium Citrate 1000, 180 Tablets (333 mg per Tablet)
Product 100 Brand N/A
KAL Calcium Citrate 1000, 90 Tablets (333 mg per Tablet)
KAL Calcium Citrate 1000, 90 Tablets (333 mg per Tablet)
Product 100 Brand N/A
KAL Calcium Citrate D-3, 180 Tablets
KAL Calcium Citrate D-3, 180 Tablets
Product 100 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 Stearic Acid safe in supplements?

Yes. Stearic Acid 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 Stearic Acid and why is it in my supplement?

A naturally occurring fatty acid used as 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 20 products in the GoodSupp database.

Is Stearic Acid natural or synthetic?

Stearic Acid 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.