Dragon fruit, also known as pitaya or pitahaya, is a tropical fruit that comes from several species of cactus plants. There are different varieties of dragon fruit, but the most common ones are the red-skinned with white flesh and the yellow-skinned with white or red flesh. Here is a general composition of dragon fruit:

1. Water Content: Dragon fruit has a high water content, which contributes to its juicy and refreshing nature.

2. Calories: Dragon fruit is relatively low in calories, making it a healthy snack option. It is suitable for those who are conscious of their calorie intake.

3. Carbohydrates: The primary macronutrient in dragon fruit is carbohydrates, mainly in the form of sugars. However, the sugar content is not excessively high.

4. Dietary Fiber: Dragon fruit is a good source of dietary fiber, which is beneficial for digestive health. It helps prevent constipation and promotes a feeling of fullness.

5. Protein: Dragon fruit contains a small amount of protein, but it is not a significant source of this nutrient.

6. Fat: Dragon fruit is very low in fat, and the little fat it does contain is mostly unsaturated fat.

7. Vitamins and Minerals:

   • Vitamin C: Vitamin C, an antioxidant that supports the immune system and skin health.
   • Vitamin B1 (Thiamine): Contributes to energy metabolism.
   • Vitamin B2 (Riboflavin): Important for energy production and the metabolism of fats.
   • Vitamin B3 (Niacin): Plays a role in energy production and metabolic processes.
   • Vitamin B9 (Folate): Important for cell division and the formation of DNA.
   • Calcium: Supports bone health.
   • Iron: Essential for oxygen transport in the blood.
   • Phosphorus: Important for bone and teeth health.
   • Magnesium: Involved in various biochemical processes in the body.

8. Antioxidants: Dragon fruit contains antioxidants that help neutralize free radicals in the body, potentially reducing the risk of chronic diseases.

It's important to note that the exact nutritional content can vary slightly depending on the specific variety of dragon fruit. Additionally, the terms "red" and "white" refer to the color of the flesh, and the skin color can be pink, yellow, or red, depending on the variety.

Eating a variety of fruits as part of a balanced diet is generally recommended to ensure a diverse intake of nutrients.