What This Covers

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Grains are a staple in many diets, but how they’re grown and processed can vary significantly.

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This guide breaks down the main differences between grain systems, including how they’re treated in the field and how they’re processed before reaching you.

How to think about grain choices

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When comparing grains, it helps to separate how they are grown from how they are processed.

Grains that remain in their whole form tend to be less altered, while refined grains have had parts removed and are often further processed into packaged foods.

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Growing practices also matter. Some systems rely more heavily on chemical treatments, while others reduce or avoid them.

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Looking at both stages together gives a clearer picture of how the grain was produced and what you’re actually consuming.

 

Common labels explained

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Whole Grain
Means all parts of the grain are present, but does not describe how it was grown or treated.

 

Refined Grain
Parts of the grain have been removed during processing. This is common in products like white flour and many packaged foods.

 

Organic
Refers to how the grain was grown, including restrictions on synthetic herbicides and pesticides. It does not describe how the grain is processed afterward.

 

Enriched
Refined grains with certain nutrients added back after processing. This does not change how the grain was originally grown or processed.

 

Gluten-Free
Refers to the type of grain or absence of gluten, not how it was grown or treated.

 

Bottom Line

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Grains vary based on how they are grown and how they are processed.

The biggest differences come from reducing chemical inputs during farming and limiting how far the grain is processed. Whole, less processed grains grown with fewer inputs generally stay closer to their original form.