Sources of Vitamin C Citrus Orange juice and oranges -- add to smoothies Red peppers stir-fry in with high iron meats like beef. Snacks Citrus fruits, kiwi, broccoli and red peppers with hummus. A note Many nutrition experts think our needs for vitamin C are much higher than 100mg per day and are closer to 1 gram per day. The science is still evolving on this, but esssentially, the more the better. Milligrams (mg) per serving Percent (%) DV* Red pepper, sweet, raw, ½ cup Orange, 1 medium Grapefruit juice, ¼ cup Orange juice, ¼ cup Kiwifruit, 1 medium Green pepper, sweet, raw, 1½ cup Broccoli, cooked, ½ cup Strawberries, fresh, sliced, ½ cup Brussels sprouts, cooked, ½ cup Grapefruit, ½ medium Broccoli, raw, ½ cup Tomato juice, ¼ cup Cantaloupe, ½ cup Cabbage, cooked, ½ cup Cauliflower, raw, ½ cup Potato, baked, 1 medium Tomato, raw, 1 medium Spinach, cooked, ½ cup½ cup Green peas, frozen, cooked, ½ cup 95 93 70 70 64 60 51 49 48 39 39 33 29 28 26 17 17 09 08 106 78 78 71 103 67 53 43 57 54 43 37 31 29 19 32 10 09 19