Organic Rice Hull

Safe Flow AgentNatural

Organic Rice Hull is a naturally derived 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. Organic rice hull is the outer covering of rice grains, used as a flow agent.

20 Products use this
Safe Safety rating
Flow Agent Category
Yes Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Organic Rice Hull?

Organic rice hull is the outer covering of rice grains, used as a flow agent.

Common Names Organic Rice Hull
Type Flow Agent
Origin Natural / Plant-derived
Safety Rating Safe

Why is Organic Rice Hull used in supplements?

It is used to improve powder flow during manufacturing.

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

Should you be concerned about Organic Rice Hull?

No. Organic Rice Hull 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 Organic Rice Hull

These 20 highest-scoring supplements in our database use Organic Rice Hull.

Dr. Mercola Organic Rhodiola Extract, 30 Capsules (340 mg per Capsule)
Dr. Mercola Organic Rhodiola Extract, 30 Capsules (340 mg per Capsule)
Product 100 Brand N/A
Dr. Mercola Essential Mineral Complex, 30 Capsules
Dr. Mercola Essential Mineral Complex, 30 Capsules
Product 98 Brand N/A
Dr. Mercola Vitamins A-D-K, 30 Capsules
Dr. Mercola Vitamins A-D-K, 30 Capsules
Product 97 Brand N/A
Dr. Mercola Biothin Organic Metabolic Pre + Post + Probiotics Unflavored, 30 On-The-Go Packets
Dr. Mercola Biothin Organic Metabolic Pre + Post + Probiotics Unflavored, 30 On-The-Go Packets
Product 97 Brand N/A
Thorne Complete Biotic, Frosted Orange, 30 Stick Packs, 0.04 oz (1 g) Each
Thorne Complete Biotic, Frosted Orange, 30 Stick Packs, 0.04 oz (1 g) Each
Product 95 Brand N/A
Triquetra Health Plant Magnesium, 60 Capsules
Triquetra Health Plant Magnesium, 60 Capsules
Product 93 Brand N/A
Dr. Mercola Organic Vitamin C, Amla Extract, 60 Tablets
Dr. Mercola Organic Vitamin C, Amla Extract, 60 Tablets
Product 93 Brand N/A
Dr. Mercola Serrapeptase Enzymes, 60 Capsules
Dr. Mercola Serrapeptase Enzymes, 60 Capsules
Product 93 Brand N/A
Garden of Life Dr. Formulated, Quercetin Drop Uric Acid, 500 mg, 60 Vegan Tablets
Garden of Life Dr. Formulated, Quercetin Drop Uric Acid, 500 mg, 60 Vegan Tablets
Product 92 Brand N/A
Dr. Mercola Zinc Plus Selenium, 90 Capsules
Dr. Mercola Zinc Plus Selenium, 90 Capsules
Product 91 Brand N/A
Dr. Mercola Zinc Plus Selenium, 30 Capsules
Dr. Mercola Zinc Plus Selenium, 30 Capsules
Product 91 Brand N/A
Enzymedica SubCulture Probiotic Stickpacks Berry Blast, 20 Stick Packs
Enzymedica SubCulture Probiotic Stickpacks Berry Blast, 20 Stick Packs
Product 90 Brand N/A
Enzymedica SubCulture Probiotic Stickpacks Peach Bliss, 20 Stick Packs
Enzymedica SubCulture Probiotic Stickpacks Peach Bliss, 20 Stick Packs
Product 90 Brand N/A
Dr. Mercola Organic Blood Pressure Support, 90 Capsules
Dr. Mercola Organic Blood Pressure Support, 90 Capsules
Product 88 Brand N/A
Dr. Mercola Organic Blood Pressure Support, 30 Capsules
Dr. Mercola Organic Blood Pressure Support, 30 Capsules
Product 88 Brand N/A
Dr. Mercola Liposomal Glutathione, 60 Capsules (175 mg per Capsule)
Dr. Mercola Liposomal Glutathione, 60 Capsules (175 mg per Capsule)
Product 87 Brand N/A
Pink Stork 40:1 Ratio Myo-Inositol + D-Chiro-Inositol, 90 Capsules
Pink Stork 40:1 Ratio Myo-Inositol + D-Chiro-Inositol, 90 Capsules
Product 87 Brand N/A
Dr. Mercola Vitamins D3 & K2 Low Dose, 30 Capsules
Dr. Mercola Vitamins D3 & K2 Low Dose, 30 Capsules
Product 87 Brand N/A
Viva Naturals Organic Hair + Skin & Nails, 120 Tablets
Viva Naturals Organic Hair + Skin & Nails, 120 Tablets
Product 86 Brand N/A
Dr. Mercola Calcium with Vitamins D3 & K2, 30 Capsules
Dr. Mercola Calcium with Vitamins D3 & K2, 30 Capsules
Product 85 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Organic Rice Hull safe in supplements?

Yes. Organic Rice Hull 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 Organic Rice Hull and why is it in my supplement?

Organic rice hull is the outer covering of rice grains, used as a flow 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 Organic Rice Hull natural or synthetic?

Organic Rice Hull 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.