Rice Hulls

Generally Safe FillerNatural

Rice Hulls is a naturally derived filler used in dietary supplements. Safety rating: Generally Safe. It is generally considered safe for most people at standard doses. Found in 20 supplements in the GoodSupp database. The outer covering of rice grains.

20 Products use this
Generally Safe Safety rating
Filler Category
Yes Natural origin

Safety Verdict: Generally Safe

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

What is Rice Hulls?

The outer covering of rice grains.

Common Names Rice Hulls
Type Filler
Origin Natural / Plant-derived
Safety Rating Generally Safe

Why is Rice Hulls used in supplements?

It is used as a filler or flow agent.

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 Rice Hulls?

Generally no. Rice Hulls 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 Rice Hulls

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

California Gold Nutrition Biotin, 5,000 mcg, 30 Veggie Capsules
California Gold Nutrition Biotin, 5,000 mcg, 30 Veggie Capsules
Product 100 Brand N/A
California Gold Nutrition trans-Resveratrol, 200 mg, 60 Veggie Capsules
California Gold Nutrition trans-Resveratrol, 200 mg, 60 Veggie Capsules
Product 100 Brand N/A
California Gold Nutrition PQQ, 20 mg, 60 Veggie Capsules
California Gold Nutrition PQQ, 20 mg, 60 Veggie Capsules
Product 100 Brand N/A
Enzymedica Magnesium, Mind, 60 Capsules (350 mg per Capsule)
Enzymedica Magnesium, Mind, 60 Capsules (350 mg per Capsule)
Product 100 Brand N/A
Enzymedica Magnesium Motion, 120 Capsules (350 mg per Capsule)
Enzymedica Magnesium Motion, 120 Capsules (350 mg per Capsule)
Product 100 Brand N/A
Enzymedica Motion, Magnesium, 60 Capsules
Enzymedica Motion, Magnesium, 60 Capsules
Product 100 Brand N/A
ProHealth Phosphatidylserine, 300 mg Per Serving, 120 Capsules
ProHealth Phosphatidylserine, 300 mg Per Serving, 120 Capsules
Product 100 Brand N/A
Wellness Resources D-Ribose, 5 grams
Wellness Resources D-Ribose, 5 grams
Product 100 Brand N/A
WellWithAll Vitamin D3 & K2 Capsules
WellWithAll Vitamin D3 & K2 Capsules
Product 96 Brand N/A
Vthrive Bioactive Men's One Daily Multi, 60 Vegetable Capsules
Vthrive Bioactive Men's One Daily Multi, 60 Vegetable Capsules
Product 94 Brand N/A
California Gold Nutrition Biotin, 10,000 mcg, 30 Veggie Capsules
California Gold Nutrition Biotin, 10,000 mcg, 30 Veggie Capsules
Product 93 Brand N/A
Vthrive Bioactive Women's 50+ One Daily Multi, 60 Vegetable Capsules
Vthrive Bioactive Women's 50+ One Daily Multi, 60 Vegetable Capsules
Product 93 Brand N/A
Vthrive Bioactive Men's 50+ One Daily Multi, 30 Vegetable Capsules
Vthrive Bioactive Men's 50+ One Daily Multi, 30 Vegetable Capsules
Product 93 Brand N/A
Vthrive Bioactive Men's 50+ One Daily Multi, 60 Vegetable Capsules
Vthrive Bioactive Men's 50+ One Daily Multi, 60 Vegetable Capsules
Product 93 Brand N/A
Vthrive Bioactive Men's One Daily Multi, 30 Vegetable Capsules
Vthrive Bioactive Men's One Daily Multi, 30 Vegetable Capsules
Product 93 Brand N/A
FullWell FullWell Prenatal Vitamin + DHA | Omega 3 Fish Oil with DHA & EPA for Brain Development & Nervous System Support | 26+ Vital Nutrients | Dietitian-formulated, Non-GMO, 3rd Party Tested, 30 Servings
FullWell FullWell Prenatal Vitamin + DHA | Omega 3 Fish Oil with DHA & EPA for Brain Development & Nervous System Support | 26+ Vital Nutrients | Dietitian-formulated, Non-GMO, 3rd Party Tested, 30 Servings
Product 91 Brand N/A
Enzymedica Kiwi Regularity, Kiwi, 30 Tablets
Enzymedica Kiwi Regularity, Kiwi, 30 Tablets
Product 90 Brand N/A
Renew Life Daily Balance Prebiotics & Probiotics, 20 billion CFU, 60 Capsules
Renew Life Daily Balance Prebiotics & Probiotics, 20 billion CFU, 60 Capsules
Product 88 Brand N/A
California Gold Nutrition CoQ10, USP Grade Ubiquinone, 100 mg, 120 Veggie Capsules
California Gold Nutrition CoQ10, USP Grade Ubiquinone, 100 mg, 120 Veggie Capsules
Product 87 Brand N/A
California Gold Nutrition Immune Defense with Wellmune®, Beta-Glucan, 250 mg, 30 Veggie Capsules
California Gold Nutrition Immune Defense with Wellmune®, Beta-Glucan, 250 mg, 30 Veggie Capsules
Product 87 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Rice Hulls safe in supplements?

Rice Hulls 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, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Rice Hulls and why is it in my supplement?

The outer covering of rice grains. 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 Rice Hulls natural or synthetic?

Rice Hulls 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.