Ground rice used to fill capsules and keep powder flowing. Gluten-free filler, not a health ingredient.
Yes. Rice is naturally gluten-free.
No. The amount of rice flour in a supplement capsule is 50-300mg. A serving of rice is 150,000mg. The arsenic concern is for dietary-level rice intake.
Not unless specified. Some brands use organic rice flour.
Click through to the studies bar for the evidence base.
See the dosing guide below.
Compare formats before buying.
Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
It takes up space but the active ingredient dose on the label is accurate. Filler doesn't reduce the amount of active ingredient.
Capsules need to be filled to a consistent weight for proper dosing. Without filler, the active ingredient could settle unevenly.
Different jobs. Rice flour is a bulking filler. Magnesium stearate is a flow/lubricant agent. Many capsules contain both.
Finely milled rice grain. Functions as an inert bulking agent and flow aid. Easily digested but nutritionally insignificant at supplement quantities (typically 50-300mg per capsule).
Rice Flour has emerging evidence.
Rice (Oryza sativa)
Rice grains milled to fine flour and graded for particle size.
Rice Flour interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.