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Plain White Flour

Image: Open Food Facts (CC BY-SA 3.0)

Common questions

Is Plain White Flour healthy?

Plain White Flour scores 80/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. Plain white flour is a minimally processed product made primarily from wheat, with added nutrients like calcium carbonate, iron, niacin, and thiamin for fortification.

How processed is Plain White Flour?

Plain White Flour is NOVA Group 1: Unprocessed or Minimally Processed Foods.

Which ingredients drive Plain White Flour's score?

In Scout's ingredient-by-ingredient analysis, Niacin counts in its favor; Wheat flour is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Plain White Flour

Essential Waitrose
80 Good

Analysis updated July 2026 · How Scout scores

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At a glance

Beneficial ingredients 0
Harmful ingredients 1
Owned by John Lewis Partnership
Category Flours
Summary

Plain white flour is a minimally processed product made primarily from wheat, with added nutrients like calcium carbonate, iron, niacin, and thiamin for fortification. While it lacks the fiber and nutrients found in whole grain flours, it is free from harmful additives and artificial ingredients, making it a relatively clean option within its category.

Key ingredients 5

Niacin
Good

Beneficial ingredient — whole-food or functional value in this product class.

Risks

High doses of niacin can cause flushing, itching, and gastrointestinal issues.

Benefits

Essential for energy metabolism and maintaining healthy skin and nerves.

See more about Niacin →
Calcium carbonate
Neutral

Calcium carbonate is used to fortify foods with calcium, an essential mineral for bone health. It is a common additive in fortified foods to help meet dietary calcium needs. The compound is generally considered safe and effective for fortification purposes.

Risks

Excessive intake of calcium carbonate can lead to hypercalcemia, which may cause kidney stones and impaired absorption of other minerals.

Benefits

Helps increase calcium intake, supporting bone health and preventing deficiencies.

See more about Calcium carbonate →
Iron
Neutral

Iron is an essential mineral that is added to fortified foods to prevent iron deficiency anemia. It plays a crucial role in oxygen transport and energy production in the body. Fortification helps improve iron intake in populations at risk of deficiency.

Risks

Excessive iron intake can lead to toxicity, causing symptoms like nausea and, in severe cases, organ damage.

Benefits

Supports the production of hemoglobin and myoglobin, essential for oxygen transport and muscle function.

See more about Iron →
Thiamin
Neutral

Thiamin, or vitamin B1, is crucial for carbohydrate metabolism and nerve function. It is often added to fortified foods to prevent deficiencies, especially in diets low in whole grains. Thiamin fortification helps maintain adequate levels in the population.

Benefits

Supports energy production and proper nerve function, preventing conditions like beriberi.

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Wheat flour
Bad

Refined grain flour stripped of bran and germ.

Risks

Refined wheat flour can lead to rapid spikes in blood sugar levels and may contribute to weight gain if consumed in excess.

Benefits

Provides a source of energy through carbohydrates and contains some protein, which can be beneficial in a balanced diet.

See more about Wheat flour →

Processing

Group 1 · Minimally processed

Unprocessed or Minimally Processed Foods

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