Dicalcium Phosphate

Safe FillerSynthetic

Dicalcium Phosphate is a synthetic 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. Calcium and phosphorus salt used as a filler and calcium source.

20 Products use this
Safe Safety rating
Filler Category
No Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Dicalcium Phosphate?

Calcium and phosphorus salt used as a filler and calcium source.

Common Names Dicalcium Phosphate, DCP
Type Filler
Origin Synthetic / Manufactured
Safety Rating Safe

Why is Dicalcium Phosphate used in supplements?

Serves as both a filler and a supplemental source of calcium and phosphorus.

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 Dicalcium Phosphate?

No. Dicalcium Phosphate 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 Dicalcium Phosphate

These 20 highest-scoring supplements in our database use Dicalcium Phosphate.

California Gold Nutrition Selenium Yeast-Free 200 mcg
California Gold Nutrition Selenium Yeast-Free 200 mcg
Product 100 Brand N/A
Life Extension BioActive Folate & Vitamin B12
Life Extension BioActive Folate & Vitamin B12
Product 100 Brand N/A
Solgar Zinc Picolinate, 22 mg
Solgar Zinc Picolinate, 22 mg
Product 100 Brand N/A
Life Extension Biotin, 600 mcg
Life Extension Biotin, 600 mcg
Product 100 Brand N/A
Solgar Biotin, 300 mcg
Solgar Biotin, 300 mcg
Product 100 Brand N/A
Bio Nutrition Zinc Citrate, 30 mg
Bio Nutrition Zinc Citrate, 30 mg
Product 100 Brand N/A
Mason Natural Chelated Zinc Gluconate, 100 mg
Mason Natural Chelated Zinc Gluconate, 100 mg
Product 100 Brand N/A
ALLMAX Essentials, Caffeine, 200 mg
ALLMAX Essentials, Caffeine, 200 mg
Product 100 Brand N/A
Life Extension PS Caps, 100 mg, 100 Vegetarian Capsules
Life Extension PS Caps, 100 mg, 100 Vegetarian Capsules
Product 100 Brand N/A
Force Factor Alpha GPC 300 mg Vegetable Capsules
Force Factor Alpha GPC 300 mg Vegetable Capsules
Product 100 Brand N/A
Swanson Selenium, 100 mcg
Swanson Selenium, 100 mcg
Product 100 Brand N/A
Swanson Selenium, 100 mcg
Swanson Selenium, 100 mcg
Product 100 Brand N/A
Nutricost Selenium, 200 mcg
Nutricost Selenium, 200 mcg
Product 100 Brand N/A
Solgar Selenium, Yeast-Free, 100 mcg
Solgar Selenium, Yeast-Free, 100 mcg
Product 100 Brand N/A
Solgar Selenium, Yeast-Free, 200 mcg
Solgar Selenium, Yeast-Free, 200 mcg
Product 100 Brand N/A
Solgar Selenium, Yeast-Free, 200 mcg
Solgar Selenium, Yeast-Free, 200 mcg
Product 100 Brand N/A
VITAMATIC Selenium, 200 mcg
VITAMATIC Selenium, 200 mcg
Product 100 Brand N/A
Best Naturals Chromium Picolinate, 1,000 mcg
Best Naturals Chromium Picolinate, 1,000 mcg
Product 100 Brand N/A
Nature's Truth Ultra Chromium Picolinate 1,000 mcg
Nature's Truth Ultra Chromium Picolinate 1,000 mcg
Product 100 Brand N/A
Best Naturals Chromium Picolinate, 1,000 mcg
Best Naturals Chromium Picolinate, 1,000 mcg
Product 100 Brand N/A
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Frequently Asked Questions
Is Dicalcium Phosphate safe in supplements?

Yes. Dicalcium Phosphate 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 Dicalcium Phosphate and why is it in my supplement?

Calcium and phosphorus salt used as 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 Dicalcium Phosphate natural or synthetic?

Dicalcium Phosphate 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 — read our methodology. 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.