Top 10 Vitamin C Foods You Must Eat By rjoachim | August 9, 2022 The Kakadu plum (Terminalia ferdinandiana) is an Australian native superfood containing 100 times more vitamin C than oranges.It has the highest known concentration of vitamin C, containing up to 2,907 mg per 100 grams. Just one plum (approximately 15 grams) packs 436 mg of vitamin C, which is 484% of the DV (6, 7Trusted Source).It’s also rich in potassium, vitamin E, and the antioxidant lutein, which may benefit eye health (8 https://www.healthline.com/nutrition/vitamin-c-foods#TOC_TITLE_HDR_2 Posted in Diet & Nutrition