Rice Flour

Safe FillerNatural

Rice Flour is a naturally derived 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. Finely ground rice used as a natural filler.

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

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Rice Flour?

Finely ground rice used as a natural filler.

Common Names Rice Flour, rice powder
Type Filler
Origin Natural / Plant-derived
Safety Rating Safe

Why is Rice Flour used in supplements?

Natural bulking agent to fill capsule space. Hypoallergenic.

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 Flour?

No. Rice Flour 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 Rice Flour

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

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
NOW Foods Biotin, 5,000 mcg, 120 Veg Capsules
NOW Foods Biotin, 5,000 mcg, 120 Veg Capsules
Product 100 Brand N/A
NOW Foods Iron, 36 mg, 90 Veg Capsules
NOW Foods Iron, 36 mg, 90 Veg Capsules
Product 100 Brand N/A
NOW Foods B-2, 100 mg, 100 Veg Capsules
NOW Foods B-2, 100 mg, 100 Veg Capsules
Product 100 Brand N/A
NOW Foods Biotin, 1,000 mcg, 100 Veg Capsules
NOW Foods Biotin, 1,000 mcg, 100 Veg Capsules
Product 100 Brand N/A
NOW Foods Iron, 18 mg, 120 Veg Capsules
NOW Foods Iron, 18 mg, 120 Veg Capsules
Product 100 Brand N/A
NOW Foods D-Mannose, 500 mg, 120 Veg Capsules
NOW Foods D-Mannose, 500 mg, 120 Veg Capsules
Product 100 Brand N/A
NOW Foods Taurine, 500 mg, 100 Veg Capsules
NOW Foods Taurine, 500 mg, 100 Veg Capsules
Product 100 Brand N/A
NOW Foods Acetyl-L-Carnitine, 500 mg, 100 Veg Capsules
NOW Foods Acetyl-L-Carnitine, 500 mg, 100 Veg Capsules
Product 100 Brand N/A
NOW Foods Glutathione, 250 mg, 60 Veg Capsules
NOW Foods Glutathione, 250 mg, 60 Veg Capsules
Product 100 Brand N/A
NOW Foods L-Tyrosine, 750 mg, 90 Veg Capsules
NOW Foods L-Tyrosine, 750 mg, 90 Veg Capsules
Product 100 Brand N/A
Nutricost Vitamin B12, 1,000 mcg, 120 Capsules
Nutricost Vitamin B12, 1,000 mcg, 120 Capsules
Product 100 Brand N/A
Swanson Pantothenic Acid, 500 mg, 250 Capsules
Swanson Pantothenic Acid, 500 mg, 250 Capsules
Product 100 Brand N/A
Swanson Biotin, 5,000 mcg, 100 Vegan Capsules
Swanson Biotin, 5,000 mcg, 100 Vegan Capsules
Product 100 Brand N/A
NOW Foods Biotin, 5,000 mcg, 60 Veg Capsules
NOW Foods Biotin, 5,000 mcg, 60 Veg Capsules
Product 100 Brand N/A
Swanson Biotin, 5,000 mcg, 30 Vegan Caps
Swanson Biotin, 5,000 mcg, 30 Vegan Caps
Product 100 Brand N/A
Swanson Riboflavin, 100 mg, 100 Capsules
Swanson Riboflavin, 100 mg, 100 Capsules
Product 100 Brand N/A
Nutricost P-5-P, 100 mg, 240 Capsules
Nutricost P-5-P, 100 mg, 240 Capsules
Product 100 Brand N/A
Nutricost P-5-P, 240 Capsules
Nutricost P-5-P, 240 Capsules
Product 100 Brand N/A
Nutricost Magnesium Complex, Regular-Strength, 250 mg, 240 Capsules
Nutricost Magnesium Complex, Regular-Strength, 250 mg, 240 Capsules
Product 100 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 Rice Flour safe in supplements?

Yes. Rice Flour 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 Rice Flour and why is it in my supplement?

Finely ground rice used as a natural filler. 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 Flour natural or synthetic?

Rice Flour 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.