Oat-based Granola Bars

Oat-based granola bars are a popular, portable snack made primarily from rolled oats, bound together with sweeteners like honey or maple syrup, and often mixed with nuts, seeds, and dried fruits. They originated in the United States in the early 20th century as a convenient, energy-dense food for hikers, soldiers, and busy individuals. Today, they are a global staple found in lunchboxes, gyms, and convenience stores.

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🍽️ Nutrition at a glance

Granola bars are typically high in carbohydrates from oats and sweeteners, with moderate fat from nuts and seeds, and can offer a good source of dietary fiber and iron. A standard commercial bar usually ranges from 150 to 250 calories per serving.

Nutrition breakdown

Calories	180 kcal
Protein	4 g
Carbs	28 g
Fat	7 g
Fiber	3 g
Sugar	10 g
Sodium	120 mg
Iron	2 mg
Magnesium	40 mg
Phosphorus	80 mg
Zinc	1.5 mg
Manganese	1.2 mg
Thiamin (B1)	0.2 mg
Vitamin E	2 mg
Copper	0.3 mg

Per 1 bar (40 g) · estimated, varies by recipe

💡 What's interesting

Culturally, granola bars represent the modern demand for 'on-the-go' nutrition, evolving from simple trail food to a diverse market including protein-enhanced and low-sugar versions. Nutritionally, the whole oats provide a slow-release energy source, making them a favored choice for sustained fuel before or after physical activity.