How many calories (kcal) are in an orange?

Mar 16, 2022 Source: Cainiu Health
Dr. Lu Yanli
Introduction
A 100-gram orange contains approximately 50 kcal of energy, and the weight of an average orange is also around 100 grams. Therefore, consuming 1–2 oranges per day has negligible impact on weight loss. Oranges are a low-calorie fruit; eating them daily allows for effective absorption of vitamin C, thereby exerting antioxidant effects.

Oranges are one of the most common fruits in daily life. Their pleasant sweet-and-sour flavor—combined with their exceptionally high vitamin C content—makes them popular among many people. However, individuals pursuing weight loss often worry whether oranges are high in calories and whether excessive consumption might lead to fat accumulation. So, just how many calories does an orange contain?

How Many Calories Are in an Orange?

One hundred grams of orange contains approximately 50 kcal. Since a typical orange weighs about 100 grams, consuming 1–2 oranges per day has negligible impact on weight-loss efforts. Regularly eating oranges helps the body absorb vitamin C effectively, thereby providing antioxidant benefits.

Oranges boast rich nutritional value, containing abundant vitamins and citric acid. According to nutrition experts, these vitamins contribute significantly to skin health and beauty, while citric acid helps alleviate physical fatigue. In daily life, many people habitually peel off the white pith before eating oranges. In fact, this white pith is rich in dietary fiber and pectin—bioactive compounds that promote healthy digestion and bowel regularity, and substantially help lower cholesterol levels. Thus, moderate orange consumption benefits overall health.

We recommend consuming fresh oranges whenever possible, as they contain a potent anticancer compound called “nomilin.” This bioactive substance can break down carcinogens, inhibit and suppress cancer cell proliferation, and protect cellular DNA from damage caused by carcinogens—thereby preserving genetic integrity.

The above addresses the question: “How many calories does an orange contain?” We hope this information proves helpful to you.


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