Calcium Carbonate

Safe FillerNatural

Calcium Carbonate 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. A calcium salt used as both a filler and calcium source.

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 Calcium Carbonate?

A calcium salt used as both a filler and calcium source.

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

Why is Calcium Carbonate used in supplements?

Acts as a filler and provides supplemental calcium.

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 Calcium Carbonate?

No. Calcium Carbonate 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 Calcium Carbonate

These 20 highest-scoring supplements in our database use Calcium Carbonate.

Swanson Magnesium Citrate, 240 Tablets
Swanson Magnesium Citrate, 240 Tablets
Product 100 Brand N/A
EVLution Nutrition Caffeine, 200 mg, 100 Tablets
EVLution Nutrition Caffeine, 200 mg, 100 Tablets
Product 100 Brand N/A
Vital Nutrients Rhodiola Rosea, 120 Vegan Capsules (200 mg per Capsule)
Vital Nutrients Rhodiola Rosea, 120 Vegan Capsules (200 mg per Capsule)
Product 100 Brand N/A
Swanson Albion® Copper, 2 mg, 300 Tablets
Swanson Albion® Copper, 2 mg, 300 Tablets
Product 100 Brand N/A
Swanson Chromium Picolinate, 60 Capsules (200 mcg per Capsule)
Swanson Chromium Picolinate, 60 Capsules (200 mcg per Capsule)
Product 100 Brand N/A
Nutricost Boron, 10 mg, 240 Capsules
Nutricost Boron, 10 mg, 240 Capsules
Product 100 Brand N/A
California Gold Nutrition Lutein, 90 Veggie Capsules
California Gold Nutrition Lutein, 90 Veggie Capsules
Product 100 Brand N/A
NaturesPlus Cal/Mag, 180 Tablets
NaturesPlus Cal/Mag, 180 Tablets
Product 100 Brand N/A
Nature's Truth Magnesium Citrate, 120 Quick Release Softgels (125 mg per Softgel)
Nature's Truth Magnesium Citrate, 120 Quick Release Softgels (125 mg per Softgel)
Product 100 Brand N/A
KAL High Absorption Magnesium Glycinate, 90 Softgels (105 mg per Softgel)
KAL High Absorption Magnesium Glycinate, 90 Softgels (105 mg per Softgel)
Product 100 Brand N/A
KAL Magnesium Glycinate, 180 Softgels (105 mg Per softgel)
KAL Magnesium Glycinate, 180 Softgels (105 mg Per softgel)
Product 100 Brand N/A
Swanson Eleuthero Root, 120 Capsules (425 mg per Capsule)
Swanson Eleuthero Root, 120 Capsules (425 mg per Capsule)
Product 100 Brand N/A
Balanceuticals Super Corydalis™, 60 Vegetarian Capsules (500 mg per Capsule)
Balanceuticals Super Corydalis™, 60 Vegetarian Capsules (500 mg per Capsule)
Product 100 Brand N/A
Vitamatic Beta Sitosterol, 400 mg, 180 Capsules
Vitamatic Beta Sitosterol, 400 mg, 180 Capsules
Product 100 Brand N/A
Vital Nutrients Astragalus Root Extract, 90 Vegan Capsules (300 mg per Capsule)
Vital Nutrients Astragalus Root Extract, 90 Vegan Capsules (300 mg per Capsule)
Product 100 Brand N/A
Nutricost L-Lysine, 1,000 mg, 240 Tablets
Nutricost L-Lysine, 1,000 mg, 240 Tablets
Product 100 Brand N/A
Nutricost L-Lysine, 1,000 mg, 120 Tablets
Nutricost L-Lysine, 1,000 mg, 120 Tablets
Product 100 Brand N/A
Nutricost L-Lysine, 500 Capsules (500 mg per Capsule)
Nutricost L-Lysine, 500 Capsules (500 mg per Capsule)
Product 100 Brand N/A
Vital Nutrients Pancreatic Enzymes, 90 Capsules
Vital Nutrients Pancreatic Enzymes, 90 Capsules
Product 100 Brand N/A
Arthur Andrew Medical Devigest ADS®, Advanced Digestive Support, 180 Capsules
Arthur Andrew Medical Devigest ADS®, Advanced Digestive Support, 180 Capsules
Product 100 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 Calcium Carbonate safe in supplements?

Yes. Calcium Carbonate 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 Calcium Carbonate and why is it in my supplement?

A calcium salt used as both a filler and calcium source. 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 Calcium Carbonate natural or synthetic?

Calcium Carbonate 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.

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.