Yellow bell peppers are one of the most vitamin C-rich foods you can eat, packing 184 milligrams per 100 grams of raw pepper. That’s more than double the vitamin C in green bell peppers and roughly twice what you’d get from an orange. Beyond that headline nutrient, yellow peppers deliver meaningful amounts of eye-protective pigments, dietary fiber, and other vitamins that support everything from skin health to digestion.
A Vitamin C Powerhouse
The standout feature of yellow bell peppers is their extraordinary vitamin C content. At 184 mg per 100 grams (roughly 3 ounces), a single medium-sized yellow pepper can deliver well over 200% of the recommended daily intake for most adults. Green peppers, by comparison, contain just 80 mg per 100 grams. Red peppers fall somewhere between the two, but yellow consistently ranks at or near the top among all bell pepper colors.
Vitamin C does a lot of heavy lifting in the body. It’s essential for producing collagen, the protein that gives structure to your skin, tendons, ligaments, and blood vessels. It also functions as a powerful antioxidant, neutralizing unstable molecules that damage cells over time. And it plays a direct role in immune function, helping white blood cells work more effectively. Because your body can’t store vitamin C, you need a steady daily supply, and yellow peppers are one of the easiest ways to get it.
Protection for Your Eyes
Yellow and orange peppers are particularly rich in zeaxanthin, a pigment that concentrates in the macula, the part of your retina responsible for sharp central vision. Lutein and zeaxanthin are the only two carotenoids found in this region of the eye, and research shows that consuming around 2 mg of zeaxanthin per day can slow the progression of age-related macular degeneration, a leading cause of vision loss in older adults.
Some orange-yellow pepper varieties contain remarkably high zeaxanthin levels, with concentrations reaching 20 to 28 mg per 100 grams of fresh weight in certain cultivars. Even standard grocery store yellow peppers provide meaningful amounts. The yellow and orange color itself comes from these carotenoid pigments, so the deeper the color, the more you’re likely getting. Eating yellow peppers raw or lightly cooked with a small amount of fat (like olive oil or avocado) helps your body absorb these fat-soluble compounds more efficiently.
Skin and Collagen Support
Collagen production depends on vitamin C as a necessary cofactor. Without enough of it, your body simply can’t assemble collagen properly, which is why severe vitamin C deficiency leads to skin breakdown, poor wound healing, and weakened connective tissue. You don’t need to be deficient to benefit from higher intake, though. Consistent vitamin C consumption supports the ongoing collagen turnover that keeps skin firm and resilient.
The antioxidants in yellow peppers also help protect skin cells from UV damage and oxidative stress, two of the main drivers of premature aging. This combination of collagen support and antioxidant protection makes yellow bell peppers a genuinely useful food for skin health, not just a marketing claim on a supplement bottle.
Digestive Benefits
A medium yellow bell pepper (about 119 grams) contains 2 grams of dietary fiber. That’s a modest amount on its own, but peppers are also very low in calories, typically around 25 to 30 per pepper, making them an easy way to add fiber and volume to meals without extra energy. The high water content (over 90%) also supports hydration and helps keep things moving through your digestive tract.
Fiber from vegetables like bell peppers feeds beneficial gut bacteria and adds bulk to stool, both of which contribute to regular bowel movements. Because yellow peppers have a naturally sweet, mild flavor, they’re one of the easier raw vegetables to eat in larger quantities, whether sliced into strips for snacking, tossed into salads, or blended into soups.
How Yellow Peppers Compare to Other Colors
All bell peppers start green and change color as they ripen. Green peppers are the least ripe, which is why they taste more bitter and contain fewer vitamins. Yellow and orange peppers are partially ripe, while red peppers are fully mature. This ripening process increases sugar content (making them sweeter) and concentrates certain nutrients.
Yellow peppers lead the pack in vitamin C. Red peppers tend to be highest in beta-carotene, which your body converts to vitamin A, and they also contain lycopene. Yellow and orange varieties are the best source of zeaxanthin for eye health. Green peppers are the most affordable but offer the least nutritional punch. If you’re choosing based on health benefits alone, yellow and red peppers give you the most return, and mixing colors across the week covers a broader range of antioxidants.
Getting the Most From Yellow Peppers
Vitamin C breaks down with heat, so eating yellow peppers raw preserves the most of their standout nutrient. Slicing them into strips, adding them to grain bowls, or dipping them in hummus are all simple ways to keep that vitamin C intact. If you prefer cooked peppers, shorter cooking times at lower temperatures (like a quick sauté or light roast) retain more nutrients than prolonged high-heat methods like charring or stewing.
For the carotenoids, a little fat actually helps. Adding olive oil, nuts, cheese, or avocado to a meal with yellow peppers increases absorption of zeaxanthin and other fat-soluble pigments. A simple combination of raw yellow pepper slices with guacamole or a vinaigrette dressing covers both bases: you get the vitamin C from eating them raw and better carotenoid absorption from the fat in the dip or dressing.
Yellow peppers store well in the refrigerator for about a week. Once cut, wrap them tightly or keep them in an airtight container and use within three to four days for the best flavor and nutrient retention.