Calcium Sulfate

Generally Safe FillerSynthetic

Calcium Sulfate is a synthetic filler used in dietary supplements. Safety rating: Generally Safe. It is generally considered safe for most people at standard doses. Found in 16 supplements in the GoodSupp database. Calcium sulfate is an inorganic salt used as a filler or desiccant.

16 Products use this
Generally Safe Safety rating
Filler Category
No Natural origin

Safety Verdict: Generally Safe

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

What is Calcium Sulfate?

Calcium sulfate is an inorganic salt used as a filler or desiccant.

Common Names Calcium Sulfate
Type Filler
Origin Synthetic / Manufactured
Safety Rating Generally Safe

Why is Calcium Sulfate used in supplements?

It is used as a filler or to control moisture.

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 Sulfate?

Generally no. Calcium Sulfate 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 Calcium Sulfate

These 16 highest-scoring supplements in our database use Calcium Sulfate.

Windmill Natural Vitamins Valerian Root 450 mg
Windmill Natural Vitamins Valerian Root 450 mg
Product 100 Brand N/A
NOW Guggul Extract 750 mg
NOW Guggul Extract 750 mg
Product 87 Brand N/A
Country Life Citrus Bioflavonoids 500 mg
Country Life Citrus Bioflavonoids 500 mg
Product 87 Brand N/A
Nature Made Multi Prenatal
Nature Made Multi Prenatal
Product 83 Brand N/A
Healthy'N Fit Amino 10,000, 180 Tablets
Healthy'N Fit Amino 10,000, 180 Tablets
Product 81 Brand N/A
Windmill Natural Vitamins Super Probiotic
Windmill Natural Vitamins Super Probiotic
Product 81 Brand N/A
The Vitamin Shoppe Hair, Skin and Nails
The Vitamin Shoppe Hair, Skin and Nails
Product 79 Brand N/A
The Vitamin Shoppe Hair, Skin and Nails
Product 79 Brand N/A
Kroeger Herb Co Sunny Day, Taurin-Dophilus, 100 Tablets
Kroeger Herb Co Sunny Day, Taurin-Dophilus, 100 Tablets
Product 75 Brand N/A
Windmill Co-Q10 50 mg
Windmill Co-Q10 50 mg
Product 75 Brand N/A
Health Thru Nutrition Prostate Plus Complex with Saw Palmetto and Lycored Lycopene, 60 Softgels
Health Thru Nutrition Prostate Plus Complex with Saw Palmetto and Lycored Lycopene, 60 Softgels
Product 74 Brand N/A
Country Life Citrus Bioflavonoids And Rutin 1000 mg
Country Life Citrus Bioflavonoids And Rutin 1000 mg
Product 68 Brand N/A
Source Naturals Daily Essential Enzymes®, 500 mg, 240 Capsules
Source Naturals Daily Essential Enzymes®, 500 mg, 240 Capsules
Product 65 Brand N/A
Source Naturals Daily Essential Enzymes®, 240 Vegetarian Capsules
Source Naturals Daily Essential Enzymes®, 240 Vegetarian Capsules
Product 65 Brand N/A
Source Naturals Daily Essential Enzymes®, 500 mg, 120 Vegetarian Capsules
Source Naturals Daily Essential Enzymes®, 500 mg, 120 Vegetarian Capsules
Product 65 Brand N/A
Geri-Care Iron Tablets
Geri-Care Iron Tablets
Product 56 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 Sulfate safe in supplements?

Calcium Sulfate 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, 16 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Calcium Sulfate and why is it in my supplement?

Calcium sulfate is an inorganic salt used as a filler or desiccant. As a filler, it adds bulk to capsules or tablets to achieve a standard size without affecting the active ingredients. It appears in 16 products in the GoodSupp database.

Is Calcium Sulfate natural or synthetic?

Calcium Sulfate is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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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.