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Fiber

Rice Bran

Also known as: Rice Bran Extract, Stabilized Rice Bran, Tocotrienols from Rice Bran

B
Evidence

The outer layer of rice grain, rich in fiber, B vitamins, vitamin E (tocotrienols), and antioxidants. Supports cardiovascular and digestive health.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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The highest-scored Rice Bran product in our catalog (77/100). Track dose and overlaps in the app.
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Every Rice Bran product we have scored

#ProductScorePer serving
1Thorne FiberMend77 B+$1.50
2Integrative Therapeutics Blue Heron61 B-$1.41

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Rice Bran should I take?

The typical range is 1-3 tablespoons per day. Safe for long-term daily use

When should I take Rice Bran?

With meals. Best taken with food.

Which form of Rice Bran is best?

Stabilized Rice Bran — Heat-stabilized to prevent rancidity.

Is Rice Bran safe?

Commonly reported: Initial gas/bloating if increasing fiber quickly. No known concerns

Which Rice Bran supplement scores highest?

Thorne FiberMend, at 77/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

  • Fiber supplementation
  • Cardiovascular support
  • Antioxidant
  • Cholesterol management

What systematic reviews concluded

Outcomes that systematic reviews of Rice Bran reached a verdict on: 1 with a benefit, 4 unclear. Each is quoted from a review and linked to it on PubMed. How these were read.

Reviews found a benefit (1)

Benefitblood pressure
“Rice bran significantly reduced systolic blood pressure (WMD: -3.336 mmHg; p = 0.0006), diastolic blood pressure (WMD: -3.145 mmHg; p = 0.015), and HbA1c (WMD: -0.199%; p = 0.003).” PMID 41009614
Every supplement reviewed for blood pressure →

Not enough to say: total cholesterol; ldl cholesterol; hdl cholesterol; liver enzymes (ast).

How it works

  • Provides soluble and insoluble fiber for digestive health
  • Contains tocotrienols (vitamin E forms) with antioxidant activity
  • Phytosterols may help reduce cholesterol absorption
  • B vitamins support energy metabolism

Dosage

Typical range
1-3 tablespoons per day
Timing
With meals
With food
Best taken with food
Duration
Safe for long-term daily use
Special populations
Generally safe for most adults

Forms

  • Stabilized Rice Bran· 85/100

Safety

Common side effects

  • Initial gas/bloating if increasing fiber quickly

Contraindications

  • Rice allergy

Products containing Rice Bran

Top-scoring supplements in our catalog that list Rice Bran on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Integrative Therapeutics
Blue Heron
61
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Evidence notes

Good evidence for fiber benefits and cholesterol effects; tocotrienol research is promising.

Grade B: Some human trials support key claims; further confirmation needed.

Related in Fiber

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.