Oranges are the fruit most people associate with vitamin C, but they’re far from the richest source. A medium orange delivers about 70 mg of vitamin C, which nearly covers the daily recommendation of 75 mg for women and 90 mg for men. Plenty of common fruits beat that number, and a few exotic ones blow it out of the water.
Guava: The Everyday Champion
Guava is the most vitamin C-dense fruit you can regularly find at a grocery store. A single guava (about 55 grams, roughly half the weight of a medium orange) packs around 125 mg of vitamin C. That’s nearly double what you’d get from an orange, in a smaller package. Cup for cup, the difference is even more dramatic, since you can fit about three guavas in a cup versus one orange’s worth of sections.
Guavas are widely available in Latin American, Caribbean, and Asian grocery stores, and increasingly in mainstream supermarkets. They’re eaten raw, blended into smoothies, or made into paste. Because the fruit is so concentrated in vitamin C, even half a guava covers your full daily needs.
Kiwifruit, Strawberries, and Papaya
Green kiwifruit contains about 64 mg of vitamin C per fruit, which is close to an orange but in a much smaller serving (69 grams versus 131 grams). That means kiwi is significantly more vitamin C-dense per gram. Gold kiwifruit varieties tend to be even higher, often exceeding 100 mg per fruit.
Strawberries deliver roughly 45 mg per half-cup of halved berries. That’s less than an orange per serving, but strawberries are easy to eat in larger quantities. A full cup gets you close to 90 mg. Papaya is another strong performer, with a cup of cubed papaya providing roughly 88 mg.
Pineapple and mango, which people often assume are vitamin C powerhouses, actually fall below oranges on a per-serving basis. They’re decent sources, but not standouts.
Kakadu Plum and Acerola Cherry
If you’re curious about the absolute extremes, two fruits sit in a category of their own. Kakadu plum, a small fruit native to northern Australia, contains around 3,100 mg of vitamin C per 100 grams. Acerola cherry, grown in tropical regions of the Americas, delivers about 1,600 mg per 100 grams. For perspective, an orange has roughly 50 mg per 100 grams.
You won’t find these in most grocery stores. Kakadu plum is primarily harvested by Indigenous Australian communities and sold as a powder or extract. Acerola is more accessible as a supplement, juice, or freeze-dried powder, and it’s common in Brazilian markets. Both are used heavily in the supplement and skincare industries rather than eaten as everyday fruit. They’re impressive on paper, but for practical daily nutrition, they’re niche products.
Bell Peppers Beat Most Fruits
This is the fact that surprises most people: bell peppers contain more vitamin C than nearly any common fruit. Yellow bell peppers deliver 184 mg per 100 grams, more than double what green peppers provide (80 mg per 100 grams) and roughly triple what oranges offer. A single large yellow pepper can contain over 300 mg of vitamin C.
Red peppers fall between yellow and green, making them another excellent source. If you’re trying to increase your vitamin C intake and you already eat peppers regularly, you may not need to change your fruit habits at all.
How Cooking and Storage Affect Vitamin C
Vitamin C is one of the most fragile nutrients. It breaks down with heat, exposure to air, and time. Vegetable juices stored in the refrigerator can lose anywhere from 6% to 36% of their vitamin C within just three days, depending on the type. After three weeks, losses can reach nearly 50% in some cases.
This matters practically. A bell pepper eaten raw in a salad retains far more vitamin C than one that’s been roasted or stir-fried for several minutes. Fruit that’s been sitting in your fridge for a week has less vitamin C than the day you bought it. Freshly squeezed orange juice left on the counter loses vitamin C faster than juice kept cold. If maximizing your intake matters to you, eat vitamin C-rich produce fresh, raw when possible, and soon after buying it.
Supplements vs. Whole Fruit
Your body absorbs vitamin C from a synthetic supplement and from whole fruit at essentially the same rate. Multiple studies comparing blood levels of vitamin C after eating oranges, broccoli, or taking a tablet have found no meaningful difference in absorption. The idea that “natural” vitamin C is better absorbed is a common marketing claim that the evidence doesn’t support.
That said, whole fruits deliver fiber, potassium, and a range of plant compounds that a vitamin C tablet doesn’t. The vitamin C itself works the same either way, but the overall nutritional package of fruit is broader. For most people who eat a few servings of fruits and vegetables daily, a supplement isn’t necessary. One guava, a cup of strawberries, or a handful of raw pepper strips is enough to cover your daily needs with room to spare.
Quick Ranking by Vitamin C Density
Comparing common, widely available options per typical single serving:
- Guava (1 fruit, 55g): ~126 mg
- Yellow bell pepper (1 medium, ~120g): ~220 mg
- Kiwifruit (1 fruit, 69g): ~64 mg
- Orange (1 medium, 131g): ~70 mg
- Strawberries (1/2 cup, 76g): ~45 mg
Gram for gram, guava and yellow bell pepper are the clear winners among foods you can actually buy and eat regularly. The orange’s reputation has more to do with marketing history than nutritional superiority.