A single clementine contains about 36 mg of vitamin C. That’s roughly 40% of the daily recommended intake for adult men (90 mg) and nearly half for adult women (75 mg). Two clementines get most adults close to a full day’s worth.
How That Fits Into Your Daily Needs
The recommended daily amount of vitamin C varies by age and sex. Adults need between 75 and 90 mg per day, while children need significantly less. Kids aged 1 to 3 only need 15 mg, so a single clementine more than doubles their requirement. Children aged 4 to 8 need 25 mg, and teens need 45 to 75 mg depending on age and sex.
If you smoke, add 35 mg to whatever your baseline recommendation is. Smoking increases oxidative stress on the body, which burns through vitamin C faster. A smoker who is an adult male, for instance, would aim for 125 mg per day, making those extra clementines more meaningful.
Pregnant women need 85 mg daily, and breastfeeding women need 120 mg. At 36 mg each, three clementines would cover nearly all of that on their own.
Clementines vs. Oranges
A clementine weighs roughly half as much as a navel orange, so it naturally contains less total vitamin C per fruit. But ounce for ounce, clementines and navel oranges are nutritionally similar. The navel orange edges ahead slightly in vitamin C, fiber, calcium, and folate per ounce, but the difference is small. The real advantage of clementines is convenience: they’re easy to peel, seedless, and perfectly portioned, which means people tend to actually eat them.
If you’re choosing between a single large navel orange (which delivers around 70 mg of vitamin C) and two clementines (roughly 72 mg combined), you end up in nearly the same place. It comes down to preference.
What Else Is in a Clementine
Vitamin C gets the spotlight, but clementines carry other nutrients worth noting. Each fruit has about 1 gram of fiber, a modest amount that adds up if you eat two or three as a snack. They’re also a source of potassium, which supports blood pressure regulation, and contain a range of plant compounds including flavonoids, carotenoids, and limonoids. These compounds have antioxidant and anti-inflammatory properties that complement the vitamin C.
A single clementine runs about 35 calories with roughly 9 grams of natural sugar. The fiber and water content slow down sugar absorption, so clementines don’t cause the kind of blood sugar spike you’d get from drinking the same amount of sugar in juice form.
Why the Vitamin C in Whole Fruit Matters
Vitamin C from food works differently than isolated supplements in at least one practical way: it arrives alongside other compounds that enhance its effects. The flavonoids in citrus fruit, for instance, have their own antioxidant activity and may improve how your body uses vitamin C.
One well-studied benefit is iron absorption. Vitamin C dramatically increases how much iron your body can pull from plant-based foods like spinach, lentils, and beans. Without vitamin C present, your body absorbs less than 1% of the iron in a plant-based meal. Adding vitamin C can push that absorption up to around 7%, nearly a ninefold increase. Eating a clementine alongside a salad or grain bowl is one of the simplest ways to get more from the iron already in your food. This is especially relevant for vegetarians, vegans, and anyone prone to low iron levels.
Getting the Most Vitamin C From Your Clementines
Vitamin C degrades with heat and prolonged exposure to air. Since clementines are almost always eaten raw and whole, they naturally preserve their vitamin C content better than cooked vegetables or pre-cut fruit that sits in the fridge. The peel acts as a protective barrier until you’re ready to eat.
Store clementines at room temperature if you’ll eat them within a few days, or refrigerate them to extend freshness for up to two weeks. Vitamin C content drops slowly over time after harvest, so fresher fruit delivers more. The fruit should feel heavy for its size and have tight, glossy skin. If the peel has started pulling away from the flesh or feels puffy, the fruit is past its peak.