Gamma Oryzanol

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Gamma oryzanol is a naturally occurring mixture of plant chemicals called sterols and ferulic acid esters.

Where is it found?

Gamma oryzanol is a natural component of rice bran, corn, and barley oils. Gamma oryzanol is also available as a supplement.

Gamma oryzanol has been used in connection with the following condition (refer to the individual health concern for complete information):

Science Ratings Health Concerns
2Stars

Gastritis
1Star

Athletic performance
3Stars Reliable and relatively consistent scientific data showing a substantial health benefit.
2Stars Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
1Star For a herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support and/or minimal health benefit.
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Who is likely to be deficient?

Since gamma oryzanol is not an essential nutrient, it is not associated with a deficiency state.

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How much is usually taken?

Much of the human research with gamma oryzanol used 300 mg per day. Healthy people do not appear to need this supplement.

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Are there any side effects or interactions?

Some research suggests that gamma oryzanol taken in moderately high amounts (up to 600 mg per day) for a few months can cause dry mouth, sleepiness, hot flushes, irritability, and light headedness in some individuals.1

At the time of writing, there were no well-known drug interactions with gamma oryzanol.

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References
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