Kakadu plums contain up to 2,907 mg of vitamin C per 100 grams, making it the richest known source of this vitamin. Just one plum delivers around 484% of the DV.
The fruit may also reduce oxidative stress, inflammation, and exercise-induced muscle soreness.
Rose hips provide 426 mg of vitamin C per 100 grams. Around six pieces of this fruit deliver 132% of the DV and encourage healthier-looking skin.
Green chili peppers contain 242 mg of vitamin C per 100 grams. Therefore, one green chili pepper delivers 121% of the DV, while one red chili pepper delivers 72%.
Guavas contain 228 mg of vitamin C per 100 grams. One guava fruit delivers 138% of the DV for this vitamin.
Yellow peppers contain the highest vitamin C concentration of all sweet peppers with 183 mg per 100 grams.
Blackcurrants contain 181 mg of vitamin C per 100 grams.