Tricalcium Phosphate

Safe Flow AgentSynthetic

Tricalcium Phosphate is a synthetic flow agent 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 an anti-caking agent.

20 Products use this
Safe Safety rating
Flow Agent Category
No Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Tricalcium Phosphate?

A calcium salt used as an anti-caking agent.

Common Names Tricalcium Phosphate, TCP
Type Flow Agent
Origin Synthetic / Manufactured
Safety Rating Safe

Why is Tricalcium Phosphate used in supplements?

Prevents clumping and provides supplemental calcium.

Role in supplements: Flow agent — prevents powder clumping and ensures uniform filling of capsules.

Should you be concerned about Tricalcium Phosphate?

No. Tricalcium 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 Tricalcium Phosphate

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

The Vitamin Shoppe Acetyl L-Carnitine, 500 mg
The Vitamin Shoppe Acetyl L-Carnitine, 500 mg
Product 100 Brand N/A
The Vitamin Shoppe Acetyl L-Carnitine, 500 mg
The Vitamin Shoppe Acetyl L-Carnitine, 500 mg
Product 100 Brand N/A
The Vitamin Shoppe Acetyl-L-Carnitine 500 mg
The Vitamin Shoppe Acetyl-L-Carnitine 500 mg
Product 100 Brand N/A
SuperSmart R-Lipoic Acid
SuperSmart R-Lipoic Acid
Product 100 Brand N/A
The Vitamin Shoppe Acetyl-L-Carnitine 500 mg
The Vitamin Shoppe Acetyl-L-Carnitine 500 mg
Product 100 Brand N/A
SuperSmart Sodium R-Lipoate 600 mg
SuperSmart Sodium R-Lipoate 600 mg
Product 100 Brand N/A
The Vitamin Shoppe Acetyl-L-Carnitine 500 mg
The Vitamin Shoppe Acetyl-L-Carnitine 500 mg
Product 100 Brand N/A
Dr. Mercola Organic Vitamin D3 Gummies, For Kids, Natural Cherry, 30 Gummies (25 mcg (1000 IU) per Gummy)
Dr. Mercola Organic Vitamin D3 Gummies, For Kids, Natural Cherry, 30 Gummies (25 mcg (1000 IU) per Gummy)
Product 100 Brand N/A
Pure Encapsulations UltraMag Magnesium
Pure Encapsulations UltraMag Magnesium
Product 100 Brand N/A
Theralogix ConceptionXR Motility
Theralogix ConceptionXR Motility
Product 97 Brand N/A
Zena Creatine Monohydrate + D3/K2 Watermelon Gummies
Zena Creatine Monohydrate + D3/K2 Watermelon Gummies
Product 97 Brand N/A
Youtheory Muscle Guard Protein GLP-1 Support (Vanilla
Youtheory Muscle Guard Protein GLP-1 Support (Vanilla
Product 95 Brand N/A
21st Century Co Q-10, 400 mg
21st Century Co Q-10, 400 mg
Product 93 Brand N/A
Life Extension Vegan Vitamin D3 125 mcg (5000 IU)
Life Extension Vegan Vitamin D3 125 mcg (5000 IU)
Product 93 Brand N/A
Terry Naturally Vitamin D3 Mixed Berry 5000 IU Chewable Tablets
Terry Naturally Vitamin D3 Mixed Berry 5000 IU Chewable Tablets
Product 93 Brand N/A
Dr. Mercola Organic Vitamin D3 Gummies, Natural Cherry, 125 mcg (5000 IU)
Dr. Mercola Organic Vitamin D3 Gummies, Natural Cherry, 125 mcg (5000 IU)
Product 93 Brand N/A
ChildLife Essentials ChildBiotics, Immune & Digestive Support, Natural Berry, 5 Billion CFU, 30 Chewable Tablets
ChildLife Essentials ChildBiotics, Immune & Digestive Support, Natural Berry, 5 Billion CFU, 30 Chewable Tablets
Product 93 Brand N/A
Theralogix ConceptionXR Motility Support Formula
Theralogix ConceptionXR Motility Support Formula
Product 93 Brand N/A
Solgar Celadrin Glucosamine Complex
Solgar Celadrin Glucosamine Complex
Product 93 Brand N/A
Natrol Sleep+ Beauty
Natrol Sleep+ Beauty
Product 93 Brand N/A
Related Ingredients
Calcium Silicate Safe Colloidal Silicon Dioxide Generally Safe Colloidal Silicon Dioxide and Magnesium Stearate Generally Safe Hydrated Silica Generally Safe Magnesium Silicate Generally Safe Magnesium Stearate (Vegetable Source) and Silica Generally Safe Modified Cellulose Gum and Magnesium Stearate Generally Safe Organic Rice Concentrate Generally Safe
Frequently Asked Questions
Is Tricalcium Phosphate safe in supplements?

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

A calcium salt used as an anti-caking agent. As a flow agent, it prevents powder ingredients from clumping and ensures uniform filling of capsules during manufacturing. It appears in 20 products in the GoodSupp database.

Is Tricalcium Phosphate natural or synthetic?

Tricalcium 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.