Rambutan is a tropical fruit known for its bright red or green skin, soft hair-like spines, and juicy white flesh. While its unusual appearance often attracts attention first, the fruit also provides several nutrients that make it an interesting addition to a balanced diet. Rambutan nutrition includes carbohydrates, fiber, vitamin C, and smaller amounts of several vitamins and minerals.
Because nutritional values can vary between varieties, growing conditions, and food databases, the numbers below should be viewed as approximate. A Philippine Food Composition Table entry, for example, lists about 87 calories and 91 mg of vitamin C per 100 grams of edible rambutan flesh. Other food-composition databases report somewhat different values.
Rambutan Nutrition Facts at a Glance
A 100-gram serving of fresh rambutan flesh provides approximately:
| Nutrient | Amount per 100 g |
|---|---|
| Calories | About 75–87 kcal |
| Carbohydrates | About 18–19 g |
| Protein | About 1 g |
| Fat | Less than 1 g |
| Dietary fiber | About 1–3 g |
| Calcium | About 8–32 mg |
| Phosphorus | About 9–16 mg |
| Iron | About 0.1–0.4 mg |
| Potassium | About 140 mg |
| Vitamin C | About 59–91 mg |
| Thiamin (Vitamin B1) | About 0.02 mg |
| Riboflavin (Vitamin B2) | About 0.07–0.10 mg |
| Niacin | About 0.5–0.8 mg |
These figures differ among databases, so it is better to use them as a general nutritional guide rather than an exact measurement.
How Many Calories Are in Rambutan?
Rambutan is relatively light in calories compared with many sweet desserts and processed snacks. Around 100 grams of edible fruit contains roughly 75 to 87 calories, depending on the source and variety.
Most of the calories come from carbohydrates because rambutan contains naturally occurring sugars. The flesh also contains water, which contributes to its juicy texture.
A typical rambutan is much smaller than 100 grams, so eating a few individual fruits provides considerably less than the calories listed for a full 100-gram serving. The exact amount depends on the size of the fruit and how much edible flesh remains after removing the skin and seed.
Carbohydrates and Natural Sugars
Carbohydrates are the main macronutrient in rambutan. Food-composition data commonly place total carbohydrates at around 18–19 grams per 100 grams of edible fruit.
These carbohydrates include naturally occurring sugars that give ripe rambutan its characteristic sweet taste. This is one reason the fruit can be enjoyable as a simple snack without adding sugar.
Fresh rambutan is different nutritionally from rambutan preserved in heavy syrup. Canned fruit packed with syrup can contain additional added sugars, so fresh rambutan is generally the simpler choice when you want to experience the fruit’s natural flavor.
Does Rambutan Contain Fiber?
Yes. Rambutan provides dietary fiber, although the amount varies considerably between nutritional databases. One food composition source reports around 2.8 grams of fiber per 100 grams, while another reports a lower value.
Fiber is naturally present in plant foods and contributes to normal digestive function. Including a variety of fruits, vegetables, whole grains, nuts, and other plant foods is an easy way to add different types of fiber to the diet.
Rambutan should therefore be viewed as one small part of an overall varied diet rather than as a single food responsible for digestive health.
Vitamin C in Rambutan
One of the most notable nutrients in rambutan is vitamin C. Depending on the food database, 100 grams of edible rambutan can provide roughly 59 to 91 milligrams of vitamin C.
Vitamin C is an essential nutrient involved in several normal body functions. It contributes to normal immune function and helps protect cells from oxidative stress. It is also important for collagen formation and helps the body absorb iron from plant-based foods.
The amount of vitamin C can change depending on the variety, maturity, handling, and storage conditions of the fruit. For this reason, nutrition tables should be treated as estimates rather than universal values.
B Vitamins in Rambutan
Rambutan contains smaller amounts of several B vitamins, including thiamin (vitamin B1), riboflavin (vitamin B2), and niacin.
For example, one food composition database lists approximately 0.02 mg of thiamin, 0.07 mg of riboflavin, and 0.8 mg of niacin per 100 grams.
These vitamins are involved in normal energy metabolism and other important processes in the body. Rambutan is not an especially concentrated source of B vitamins, but its contribution can still add to the nutritional variety of a balanced eating pattern.
Minerals Found in Rambutan
Rambutan also contains several minerals, although generally in modest amounts.
Potassium is one of the minerals found in the fruit. One database reports approximately 140 mg per 100 grams. Potassium is an essential mineral involved in normal muscle function, nerve signaling, and fluid balance.
Rambutan also supplies smaller quantities of calcium, phosphorus, iron, magnesium, zinc, and selenium, with reported amounts varying between food-composition databases.
These minerals have different roles in the body. Calcium and phosphorus are important for bones and teeth, iron contributes to normal oxygen transport, and magnesium participates in numerous biochemical reactions.
Is Rambutan a Good Source of Vitamin C?
Rambutan can be a useful source of vitamin C, particularly when eaten fresh. Some nutritional references report that 100 grams provides a substantial amount of this vitamin.
However, it is important not to judge a food only by one nutrient. Rambutan also provides water, carbohydrates, fiber, and smaller amounts of other micronutrients. Eating a mixture of fruits and vegetables is a better way to obtain a broad range of nutrients.
Fresh Rambutan vs. Canned Rambutan
Fresh rambutan is usually eaten after removing its colorful outer skin. The white flesh surrounding the central seed is the edible portion.
Canned rambutan can also be convenient, but the nutritional profile may differ depending on the packing liquid. Products preserved in syrup can contain considerably more added sugar than fresh fruit.
When choosing canned rambutan, checking the nutrition label can help you understand the amount of sugar, calories, and other nutrients in the particular product.
How to Enjoy Rambutan
The easiest way to enjoy rambutan is to eat the fresh flesh directly. Make a small opening in the skin, peel it away, and separate the white flesh from the central seed.
Fresh rambutan can also be added to fruit salads, smoothies, desserts, or chilled tropical fruit bowls. Its sweet flavor pairs well with other fruits such as pineapple, mango, melon, and citrus.
If you are trying rambutan for the first time, fresh fruit is a simple way to appreciate its juicy texture and naturally sweet flavor.
Final Thoughts on Rambutan Nutrition
Rambutan nutrition makes this tropical fruit more than just an unusual-looking snack. Fresh rambutan provides carbohydrates for energy, some dietary fiber, vitamin C, and a variety of smaller amounts of vitamins and minerals. Its exact nutritional profile can vary depending on the source, variety, maturity, and preparation.
Rather than focusing on one particular nutrient, rambutan is best enjoyed as part of a varied and balanced diet. Its naturally sweet flesh and refreshing texture also make it an easy fruit to enjoy fresh.
If you want to discover its appearance, flavor, origin, varieties, growing conditions, and other interesting facts, learn about rambutan and explore the complete guide.