Cornstarch

Safe FillerNatural

Cornstarch is a naturally derived filler used in dietary supplements. Safety rating: Safe. It is widely considered safe at typical supplement doses. Found in 20 supplements in the GoodSupp database. Cornstarch is a starch derived from corn.

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

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Cornstarch?

Cornstarch is a starch derived from corn.

Common Names Cornstarch
Type Filler
Origin Natural / Plant-derived
Safety Rating Safe

Why is Cornstarch used in supplements?

It is used as a filler, binder, or flow agent in supplements.

Role in supplements: Filler — adds bulk to fill capsules or tablets to a standard size. Does not contribute to the supplement's active benefits.

Should you be concerned about Cornstarch?

No. Cornstarch 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 Cornstarch

These 20 highest-scoring supplements in our database use Cornstarch.

Swanson Vitamin D3, Higher Potency, 50 mcg (2000 IU), 250 Capsules
Swanson Vitamin D3, Higher Potency, 50 mcg (2000 IU), 250 Capsules
Product 100 Brand N/A
Swanson Vitamins D3 & K2, 60 Veggie Caps
Swanson Vitamins D3 & K2, 60 Veggie Caps
Product 96 Brand N/A
Vitacost Niacin, 500 mg, 100 Capsules
Vitacost Niacin, 500 mg, 100 Capsules
Product 93 Brand N/A
Bariatric Advantage Chewable High ADEK Multi with Iron, Tropical Fruit, 60 Tablets
Bariatric Advantage Chewable High ADEK Multi with Iron, Tropical Fruit, 60 Tablets
Product 92 Brand N/A
Swanson Vitamins D3 & K2, 60 Veggie Caps
Swanson Vitamins D3 & K2, 60 Veggie Caps
Product 87 Brand N/A
Kyolic Kids Probiotic, Vanilla, 1 Billion CFU, 60 Chewable Tablets
Kyolic Kids Probiotic, Vanilla, 1 Billion CFU, 60 Chewable Tablets
Product 87 Brand N/A
Swanson Relora®, 250 mg, 90 Capsules
Swanson Relora®, 250 mg, 90 Capsules
Product 87 Brand N/A
Zarbee's Children's Sleep with Melatonin 3+ Years Natural Grape, 30 Chewable Tablets
Zarbee's Children's Sleep with Melatonin 3+ Years Natural Grape, 30 Chewable Tablets
Product 87 Brand N/A
Florastor Digestive and Metabolic Support Probiotic Blend Gummies Peach Lemonade, 56 Vegetarian Gummies
Florastor Digestive and Metabolic Support Probiotic Blend Gummies Peach Lemonade, 56 Vegetarian Gummies
Product 87 Brand N/A
Snap Dynasty Cold Snap®, 60 Capsules
Snap Dynasty Cold Snap®, 60 Capsules
Product 83 Brand N/A
Blendamin Iron Bisglycinate with B12 and Folate
Blendamin Iron Bisglycinate with B12 and Folate
Product 78 Brand N/A
Redcon1 MRE, Whole Food Protein, Oatmeal Chocolate Chip, 7.16 lb (3,250 g)
Redcon1 MRE, Whole Food Protein, Oatmeal Chocolate Chip, 7.16 lb (3,250 g)
Product 70 Brand N/A
Crisp Power Protein Pretzels, Sea Salt, 6 Bags, 1.75 oz (50 g) Each
Crisp Power Protein Pretzels, Sea Salt, 6 Bags, 1.75 oz (50 g) Each
Product 68 Brand N/A
Crisp Power Protein Pretzels, Sesame, 6 Bags, 1.75 oz (50 g) Each
Crisp Power Protein Pretzels, Sesame, 6 Bags, 1.75 oz (50 g) Each
Product 68 Brand N/A
Crisp Power Protein Pretzels, Everything, 6 Bags, 1.75 oz (50 g) Each
Crisp Power Protein Pretzels, Everything, 6 Bags, 1.75 oz (50 g) Each
Product 68 Brand N/A
Gerimax Ginseng Energikur
Gerimax Ginseng Energikur
Product 66 Brand N/A
Cvs Pharmacy Whey Protein Vanilla
Cvs Pharmacy Whey Protein Vanilla
Product 66 Brand N/A
Elevation Vanilla whey protein blend
Elevation Vanilla whey protein blend
Product 66 Brand N/A
EHPlabs LLC EHPlabs OxyGreens Super Greens Powder, Spirulina & Chlorella, Prebiotic Fiber
EHPlabs LLC EHPlabs OxyGreens Super Greens Powder, Spirulina & Chlorella, Prebiotic Fiber
Product 65 Brand N/A
Swanson Sea Minerals, Red Marine Algae, 60 Veggie Caps
Swanson Sea Minerals, Red Marine Algae, 60 Veggie Caps
Product 62 Brand N/A
Related Ingredients
Almond Butter Generally Safe Almonds Generally Safe Apple Fiber Safe Broccoli Safe Brown Rice Generally Safe Brown Rice Flour Safe Brown Rice Protein Generally Safe Buttermilk Powder Generally Safe
Frequently Asked Questions
Is Cornstarch safe in supplements?

Yes. Cornstarch 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 Cornstarch and why is it in my supplement?

Cornstarch is a starch derived from corn. As a filler, it adds bulk to capsules or tablets to achieve a standard size without affecting the active ingredients. It appears in 20 products in the GoodSupp database.

Is Cornstarch natural or synthetic?

Cornstarch 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.