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Perilla Oil

Perilla Oil is a nutty oil derived from the seeds of perilla frutescens after roasting, and is supplemented for its high omega-3 fatty acid content and rosmarinic acid content. Benefits are secondary to either of those components, and it may be kidney healthy.

Our evidence-based analysis on perilla oil features 26 unique references to scientific papers.

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Summary of Perilla Oil

Primary information, health benefits, side effects, usage, and other important details

Perilla Oil is the term used to refer to any oil derived from the plant perilla frutescens, and it almost always refers to an oil that is pressed from roasted seeds which is used in the diet as a condiment to confer a nutty taste. It is sold as a dietary supplement or 'health oil' due to having the standard phenolic and Vitamin E content that many 'healthy' oils do, but is also quite a large source of omega-3 fatty acids (in the form of alpha-linolenic acid; the plant based form not to be confused with fish oil) comparable to flaxseed oil.

The leaves of perilla frutescens are less frequently used, by are sometimes used medicinally for the purpose of easing the stomach (served alongside some seafood); the oil pressed from the leaves, which is much less common, may have different properties than the seed oil and the two should be seen as somewhat different supplements.

Perilla Oil appears to have some promise associated with its rosmarinic acid content and the omega-3 fatty acid content, but the unique properties of perilla oil are not well researched nor is there much evidence on the benefits these isolated molecules confer. The benefits of perilla oil can possible be mimicked by flaxseed (if the omega-3 fatty acids are what does the benefit) or either supplementation of pure rosmarinic acid or plants that have a higher rosmarinic acid content (such as lemon balm).

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Human Effect Matrix

Unlocked for Examine members

The Human Effect Matrix summarizes human studies to tell you what effects Perilla Oil has on your body, how much evidence there is, and how strong these effects are.

Full details are available to Examine members.
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Outcome Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-d - - See study
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Things to Note

Do Not Confuse With

Rosmarinic Acid (A component)

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Click here to see all 26 references.