What Are Nuts? Where Are They Used?

Last Update
30 July 2025

Publication Date
24 July 2025

With the increasing interest in healthy and natural nutrition, the word “nuts” is now more commonly encountered. But what exactly are nuts? Are they merely snacks? In fact, nuts are far more than just a treat—they are a functional food group used across a wide range of industries, from food and cosmetics to pharmaceuticals and traditional cuisine.

What Are Nuts?

Nuts refer to naturally dried forms of shelled products such as hazelnuts, almonds, walnuts, pistachios, and cashews, as well as seeds like roasted chickpeas, peanuts, and sunflower seeds. They are rich in healthy fats, protein, fiber, vitamins, and minerals. Nuts can be consumed both raw and roasted, catering to various taste preferences, and have a long shelf life. Thanks to their high nutritional value, nuts play a significant role in both individual consumption and industrial production.

Areas of Use for Nuts

1. Use in the Food Industry

The most prominent area where nuts are utilized is undoubtedly the food industry. Nuts are commonly used as ingredients in products such as chocolate, cakes, cookies, energy bars, and granola. Types like hazelnuts and almonds contribute both flavor and texture to desserts. They are also incorporated into protein bars and healthy snacks as natural sources of energy.

2. Confectionery and Bakery Sector

Walnuts, pistachios, and hazelnuts are widely used in cake decorations, fillings, and for decorative purposes. In the confectionery industry, they are used in coated products (dragées), nougat varieties, and other sweet treats. Nuts not only enhance the flavor profile but also add visual appeal to the products.

3. Healthy Snacks and Diet Products

Nuts are highly favored among individuals who follow dietary programs. Low-salt and raw varieties such as almonds, roasted chickpeas, and cashews offer nutritious low-calorie snack alternatives. Thanks to their satiating properties, they are often preferred as healthy in-between meals.

4. Vegetable Oil Production

Oils derived from nuts are used in culinary oil production, various sauce formulations, and cosmetic product development. Almond, walnut, and hazelnut oils stand out as natural plant-based ingredients frequently used in healthy diets and skincare routines.

5. Cosmetics and Personal Care Products

Vegetable oils extracted from oil-rich nuts such as almonds and hazelnuts are widely used as active ingredients in moisturizers, hair care products, and natural soaps. Due to their antioxidant effects and nourishing properties, they are particularly valued in the organic cosmetics industry.

How to Store Nuts

Store in a cool, dry, and dark place
Use airtight packaging
Consider long-term freezing
Keep away from humidity and moisture

Do Nuts Contain Gluten?

Naturally, nuts do not contain gluten. Simple forms like raw hazelnuts, almonds, walnuts, and cashews are safe for individuals with gluten intolerance. However, flavored, roasted, or salted varieties may include gluten-containing additives, so it is important to read the labels carefully.

Nuts Are More Than Just Snacks

Due to their rich nutritional profile, nuts are not only essential for individual consumption but also serve as valuable raw materials in industrial food production. Beyond the food sector, they are also increasingly used in cosmetics and wellness industries. As a result, nuts are gaining importance not only as supporters of a healthy lifestyle but also as versatile, high-value ingredients.