Oranges get most of the vitamin C attention, but several vegetables match or exceed citrus on a per-100-g basis.
Especially concentrated sources
| Raw vegetable | Approx. vitamin C/100 g |
|---|---|
| Yellow bell pepper | ~180 mg |
| Red bell pepper | ~125 mg |
| Broccoli | ~89 mg |
| Brussels sprouts | ~85 mg |
| Green bell pepper | ~80 mg |
Exact values change with cultivar, maturity, storage, and database entry.
Cooking matters
Vitamin C is water-soluble and heat-sensitive. Long boiling can reduce it through both heat degradation and leaching into cooking water. Shorter methods using little water, such as steaming or microwaving, generally preserve more.
A normal serving can provide a lot
Half a large red bell pepper weighing around 80 g may provide roughly 100 mg vitamin C when raw—more than the adult Daily Value in the United States.
Cooking and serving size can change the ranking more than it first appears
A per-100-gram table puts vegetables on the same starting line, but it does not always describe what reaches the plate. Peppers can be eaten raw and retain vitamin C well; broccoli is often cooked, and losses depend on time, temperature and how much water is used. A normal serving may also be much larger or smaller than 100 g.
The useful lesson is not to memorize one winner but to recognize several strong sources and rotate them. That keeps a database value from becoming false precision about every pepper, broccoli head or cabbage.
How to keep the vitamin C ranking useful in a real diet
A list based on raw foods answers a narrow question: which vegetables contain the most vitamin C per unit of weight before cooking? That can be helpful, but people often eat peppers raw, broccoli steamed, potatoes boiled, and leafy greens in very different quantities. Heat, water, cutting, storage, and serving size can all change how much vitamin C reaches the plate. A lower-ranked vegetable eaten in a generous portion may therefore contribute more than a tiny garnish from the top of the table.
Cooking does not make vegetables nutritionally worthless. Vitamin C is sensitive to heat and can leach into cooking water, yet cooked vegetables still contribute nutrients and may be easier to eat in larger quantities. Methods that use less water and shorter cooking times can help retain more vitamin C than prolonged boiling, while soups and stews keep the cooking liquid in the meal. The best method is one that balances nutrient retention with taste, texture, and the likelihood that the vegetables will actually be eaten.
Freshness also matters because vitamin C can decline during storage. That does not mean fresh produce must always beat frozen. Frozen vegetables are often processed soon after harvest and can remain useful sources, while fresh produce may spend days in transport and refrigeration. The more important habit is regular intake from several vegetables and fruits rather than relying on a single “champion” food to supply the entire day’s vitamin C.
For meal planning, peppers, broccoli, Brussels sprouts, cabbage-family vegetables, tomatoes, potatoes, and leafy greens can all contribute in different amounts. Pairing them across meals naturally spreads vitamin C through the day and brings fiber, folate, potassium, carotenoids, and other compounds at the same time. Use the ranking to spot especially concentrated choices, but let variety and realistic portions decide what appears on the plate.
Vitamin C is also easier to obtain consistently when it is spread across ordinary foods. A pepper at lunch, broccoli or cabbage at dinner, and fruit at breakfast can together provide a strong intake without anyone weighing vegetables or calculating a ranking. People who smoke, have very limited diets, or have certain medical conditions may have different vitamin C needs, but most healthy adults do not need to build meals around one exceptional vegetable. The ranking is best used as a shopping and menu-planning reference, not as a reason to judge lower-ranked vegetables as nutritionally unimportant.
Not every vegetable needs to win the ranking
Tomatoes, spinach, cauliflower, and many others contribute smaller amounts that add up across a varied diet. Variety matters more than eating the single highest source every day.
If concentration is the goal, bell peppers are hard to beat; if overall nutrition is the goal, eat a range of vegetables and preparation styles.
Sources
- USDA FoodData Central — Approximate vitamin C values for peppers, broccoli, Brussels sprouts, and other vegetables.