Which type of carbohydrate primarily provides quick energy with little nutritional value?

Sugars are the type of carbohydrate that primarily provides quick energy with little nutritional value. They are simple carbohydrates, meaning they consist of one or two sugar molecules that can be rapidly digested and absorbed into the bloodstream. This leads to a quick spike in blood sugar levels, making sugars an immediate source of energy.

However, many sources of sugar, especially refined sugars found in sweets, sugary drinks, and processed foods, often lack essential nutrients like vitamins, minerals, and fiber. As a result, while they can provide instant energy, they do not contribute significantly to overall nutritional health.

In contrast, complex carbohydrates, starches, and fibers contain more nutrients and are broken down more slowly in the body. Complex carbohydrates and starches will provide sustained energy due to their longer chain structure, which takes more time to digest, while fibers are important for digestive health and do not serve as a direct energy source.