Wheat

Overview

Wheat, especially in less-refined forms, provides complex carbohydrates, fibre, and minerals such as magnesium, iron, and zinc [2]. It can contribute useful B-vitamin intake and remains a widely used staple that can support dietary energy needs in many meal patterns.

From a protein perspective, wheat is best understood as a grain protein that is typically lysine-limited rather than complete on its own [1,2]. In the BRAIN Diet framework, wheat-based foods are most useful when paired with legumes across meals to improve essential amino-acid balance while maintaining practical dietary variety [1,2].

Key Nutritional Highlights

• Widely consumed staple grain with meaningful B-vitamin and mineral contribution when less refined.
• Nutritional profile changes markedly with refinement level and product type.
• Grain protein is lysine-limited, so amino-acid balance improves when paired with legumes [1,2].
• Food-matrix effects differ between whole-kernel/flour products and highly processed wheat foods.

Food Context

Synergies

• Pair wheat with legumes (e.g. lentils, chickpeas, beans) to improve essential amino-acid balance at meal/day level [1,2].

Sourcing

• Choose less-refined and whole-grain wheat products where tolerated, as they generally retain more fibre and micronutrients than highly refined forms.

Preparation

• Use minimally processed forms and avoid excessive refinement to preserve fibre and micronutrient density.

Essential Amino Acid Profile

Wheat provides a useful plant protein source but is not a complete protein.

Notable amino acids:

• Methionine (relatively higher than in legumes)

Limiting amino acids:

• Lysine (typical of grains)

Protein pairing strategy:

Grains such as wheat are relatively higher in methionine but lysine-limited. Combining with legumes (e.g. lentils, chickpeas) creates a more balanced essential amino acid profile.

Recipes

no recipes found

Nutrient Tables (per 100 g)

Core nutrients

Nutrient	Amount per 100 g	% RDA per 100 g
Energy	250 kcal	—
Protein	10.2 g	—
Total fat	1.5 g	—
Saturated fat	0 g	—
Carbohydrates	48.9 g	—
Fibre	4.1 g	—

Key micronutrients

Nutrient	Amount per 100 g	% RDA per 100 g
Iron	2.8 mg	15.3%
Zinc	1.1 mg	10%
Magnesium	51 mg	12.1%
Selenium	28.7 µg	52.2%
Calcium	20 mg	2%
Potassium	165 mg	4.9%
Choline	9.8 mg	1.8%
Folate	76 µg	19%
Vitamin B12	0 µg	0%
Vitamin B6	0.1 mg	8.6%

Reference intakes: US Dietary Reference Intakes for adults (19–50 years; using the higher of male/female values where they differ).

Data provenance (core / micronutrient panel): USDA FoodData Central, Bagels, wheat, FDC ID 167533, API, per 100 g edible portion, last checked 2026-03-14

Substances

Substances in this food: editorial (Overview / literature) plus analytical (nutrition table).

9 substances in this food

Iron

Oxygen transport; dopamine synthesis (tyrosine hydroxylase cofactor)

Magnesium

Enzymatic cofactor (>300 reactions); neurotransmitters; mitochondria; redox balance

Zinc

Cofactor in neurotransmission and antioxidant enzymes; dopamine modulation

Selenium

Antioxidant enzyme cofactor (GPx); supports redox balance

Calcium

Bone health; neurotransmission; interacts with vitamin D and K2

Potassium

Electrolyte for nerve transmission, muscle function, and blood pressure regulation

Choline

Acetylcholine precursor; methyl donor; phospholipid synthesis for membranes

Vitamin B9 (Folate; 5-MTHF)

One-carbon metabolism; methylation; homocysteine recycling

Vitamin B6 (Pyridoxine → PLP)

PLP cofactor for neurotransmitter synthesis; relies on brain PDXK activation

References

[1] Protein quality evaluation framework (DIAAS) FAO 2013

[2] Plant-protein adequacy, limiting amino acids, and practical complementarity Mariotti & Gardner 2019