Fresh Orange
One medium fresh orange provides 130 percent of the recommended daily allowance of vitamin C.
Grapefruit
One half of a medium grapefruit provides 100 percent of the recommended daily allowance of vitamin C.
Strawberries
One half cup of fresh strawberries provides 160 percent of the recommended daily allowance of vitamin C.
Potato
One medium potato that has been baked with the skin on will provide 45 percent of the recommended daily allowance of vitamin C.
Broccoli
One serving of broccoli, which is one medium stalk, provides 220 percent of the recommended daily allowance of vitamin C.
Spinach
One and one-half cups of shredded spinach provides 25 percent of the recommended daily allowance of vitamin C.
Summer Squash
Half of a medium squash provides 30 percent of the recommended daily allowance of vitamin C.
Tangerine
One medium tangerine provides 45 percent of the recommended daily allowance of vitamin C.