Rice Fiber

Safe FillerNatural

Rice Fiber 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. Rice fiber is a dietary fiber derived from rice.

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 Fiber?

Rice fiber is a dietary fiber derived from rice.

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

Why is Rice Fiber used in supplements?

It is used as a filler and to improve the texture of supplements.

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 Fiber?

No. Rice Fiber 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 Fiber

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

Life Extension Extend-Release Magnesium, 60 Vegetarian Capsules (250 mg per Capsule)
Life Extension Extend-Release Magnesium, 60 Vegetarian Capsules (250 mg per Capsule)
Product 100 Brand N/A
NATURELO Vitamin D3, 62.5 mcg (2,500 IU), 180 Easy Swallow Capsules
NATURELO Vitamin D3, 62.5 mcg (2,500 IU), 180 Easy Swallow Capsules
Product 100 Brand N/A
Enzymedica Magnesium Mind, 120 Capsules
Enzymedica Magnesium Mind, 120 Capsules
Product 100 Brand N/A
ProHealth Longevity Full Spectrum Saffron, 32 mg, 30 Capsules
ProHealth Longevity Full Spectrum Saffron, 32 mg, 30 Capsules
Product 100 Brand N/A
Enzymedica DairyAssist® Chewable, Vanilla, 60 Chewable Tablets
Enzymedica DairyAssist® Chewable, Vanilla, 60 Chewable Tablets
Product 100 Brand N/A
Triquetra BioActive Vitamin B12 Full-Spectrum 1000 mcg
Triquetra BioActive Vitamin B12 Full-Spectrum 1000 mcg
Product 97 Brand N/A
Triquetra L-Methylfolate 5-MTHF 15mg - 60 Capsules (60 Servings)
Triquetra L-Methylfolate 5-MTHF 15mg - 60 Capsules (60 Servings)
Product 96 Brand N/A
NATURELO Vitamin D3, 125 mcg (5000 IU), 180 Easy Swallow Capsules
NATURELO Vitamin D3, 125 mcg (5000 IU), 180 Easy Swallow Capsules
Product 93 Brand N/A
Triquetra Health Femositol - Inositol Complex, 90 Capsules
Triquetra Health Femositol - Inositol Complex, 90 Capsules
Product 91 Brand N/A
Life Extension Testosterone Elite, 30 Vegetarian Capsules
Life Extension Testosterone Elite, 30 Vegetarian Capsules
Product 90 Brand N/A
Ancient Nutrition Zinc + Probiotics, 30 Capsules
Ancient Nutrition Zinc + Probiotics, 30 Capsules
Product 90 Brand N/A
Stur Hydration + Electrolytes + Antioxidants Drink Mix, Fruit Punch, 8 Sticks, 0.14 oz (4 g) Each
Stur Hydration + Electrolytes + Antioxidants Drink Mix, Fruit Punch, 8 Sticks, 0.14 oz (4 g) Each
Product 89 Brand N/A
Stur Hydration + Electrolytes + Antioxidants Drink Mix, Lemon-Lime, 8 Sticks, 0.14 oz (4 g) Each
Stur Hydration + Electrolytes + Antioxidants Drink Mix, Lemon-Lime, 8 Sticks, 0.14 oz (4 g) Each
Product 89 Brand N/A
Health & Her Weight Management Probiotic, 50 billion CFU, 60 Capsules
Health & Her Weight Management Probiotic, 50 billion CFU, 60 Capsules
Product 87 Brand N/A
Triquetra Health L-Methylfolate Plus Methyl B12, 15 mg, 60 Capsules
Triquetra Health L-Methylfolate Plus Methyl B12, 15 mg, 60 Capsules
Product 87 Brand N/A
NATURELO Glucosamine Chondroitin & MSM With Boswellia & Vitamin C, 120 Capsules
NATURELO Glucosamine Chondroitin & MSM With Boswellia & Vitamin C, 120 Capsules
Product 85 Brand N/A
NATURELO Bone Strength, Plant Calcium Complex, 240 Vegetarian Capsules
NATURELO Bone Strength, Plant Calcium Complex, 240 Vegetarian Capsules
Product 83 Brand N/A
NATURELO Bone Strength, Plant Calcium Complex, 120 Vegetarian Capsules
NATURELO Bone Strength, Plant Calcium Complex, 120 Vegetarian Capsules
Product 82 Brand N/A
Dub Nutrition Watermelon Wave
Dub Nutrition Watermelon Wave
Product 82 Brand N/A
Triquetra Health CranEaze®, Cranberry Juice Extract, 60 Capsules
Triquetra Health CranEaze®, Cranberry Juice Extract, 60 Capsules
Product 81 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Rice Fiber safe in supplements?

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

Rice fiber is a dietary fiber derived from rice. 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 Fiber natural or synthetic?

Rice Fiber 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.