Watermelon (Citrullus lanatus) is a heavy oval shaped fruit with a hard and thick outer skin, red inner flesh, and small black seeds. Some varieties come without the little seeds, which can be a nuisance when eating watermelon.

Health Benefits of Watermelon

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How to choose Watermelon

Watermelon can be picked by knocking on the outer skin and listening for a hollow sound.

Climate and origin

Watermelon is thought to have originated from the Kalahari Desert in Southern Africa. A fruit notorious for growing in hot climates with little water, watermelon is hearty and will grow almost anywhere warm.


Watermelon has a very sweet taste and mushy texture.

Miscellaneous information

One of the most hybridized fruits, watermelons can be found with yellow or orange flesh, and even with a purple black skin. Although seedless varieties of watermelon exist, the seeds are edible and very high in iron.

Similar tasting produce

Cantaloupe, Honeydew

Natural vitamins, minerals, and nutrients found in Watermelon + Complete Nutrition Facts

Carbohydrates | Vitamin A | Lycopene | Vitamin C |

Click here to compare these nutrition facts with other fruits.
Nutrition Facts
Watermelon raw                
Serving Size 100g
Calories 30
% Daily Value*
Total Fat 0.15g0%
    Saturated Fat 0.016g0%
Cholesterol 0mg~%
Sodium 1mg0%
Total Carbohydrate 7.6g3%
    Dietary Fiber 0.4g2%
    Sugar 6.2g~
Protein 0.6g~
Vitamin A11%Vitamin C14%
*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Vitamins  %DV
Vitamin A 569IU11%
    Retinol equivalents 28μg~
    Retinol 0μg~
    Alpha-carotene 0μg~
    Beta-carotene 303μg~
    Beta-cryptoxanthin 78μg~
Vitamin C 8.1mg14%
Vitamin D 0IU (0μg)~%
    D2 Ergocalciferol ~IU (~μg)
    D3 Cholecalciferol ~IU (~μg)
Vitamin E 0.05mg0%
Vitamin K 0.1μg0%
    K1 - Dihydrophylloquinone 0μg~
    K2 - Menaquinone-4 ~μg~
Vitamin B12 0μg~%
Thiamin 0.033mg2%
Riboflavin 0.021mg1%
Niacin 0.178mg1%
Pantothenic acid 0.221mg2%
Vitamin B6 0.045mg2%
Folate 3μg1%
    Folic Acid 0μg~
    Food Folate 3μg~
    Dietary Folate Equivalents 3μg~
Choline 4.1mg~
Lycopene 4532μg~
Lutein+Zeaxanthin 8μg~
Minerals  %DV
Calcium 7mg1%
Iron 0.24mg1%
Magnesium 10mg3%
Phosphorus 11mg1%
Sodium 1mg0%
Potassium 112mg3%
Zinc 0.1mg1%
Copper 0.042mg2%
Manganese 0.038mg2%
Selenium 0.4μg1%
Water 91.45g~
Ash 0.25g~
Fatty Acids
Omega 3 to Omega 6 Ratio0
Omega 6 to Omega 3 Ratio~
Total Omega 3s0mg
18D3 Linolenic0mg
18D3CN3 Alpha Linolenic(ALA)~mg
18D4 Stearidonic (SDA)0mg
20D3N3 Eicosatrienoic~mg
20D5 Eicosapentaenoic(EPA)0mg
22D5 Docosapentaenoic(DPA)0mg
22D6 Docosahexaenoic(DHA)0mg
Total Omega 6s50mg
18D2CN6 Linoleic(LA)~mg
18D2CLA Conjugated Linoleic(CLA)~mg
18D3CN6 Gamma-linolenic (GLA)~mg
20D2CN6 Eicosadienoic~mg
20D3N6 Di-homo-gamma-linolenic (DGLA)~mg
20D4N6 Arachidonic (AA)~mg
22D4 Adrenic (AA)~mg
Essential Amino Acids  %RDI
Histidine 6mg1%
Isoleucine 19mg1%
Leucine 18mg1%
Lysine 62mg3%
Methionine 6mg1%
Phenylalanine 15mg2%
Threonine 27mg3%
Tryptophan 7mg3%
Valine 16mg1%
Percent of Daily CalorieTarget
(2000 calories)
Percent Water Composition 91.5%
Protein to Carb Ratio (g/g) 0.08

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  1. Office Of Dietary Supplements Fact Sheet: Vitamin A
  2. Semba RD. The role of vitamin A and related retinoids in immune function. Nutr Rev 1998;56:S38-48.
  3. Ross DA. Vitamin A and public health: Challenges for the next decade. Proc Nutr Soc 1998;57:159-65.
  4. Harbige LS. Nutrition and immunity with emphasis on infection and autoimmune disease. Nutr Health 1996;10:285-312.
  5. de Pee S, West CE. Dietary carotenoids and their role in combating vitamin A deficiency: A review of the literature. Eur J Clin Nutr 1996;50 Suppl 3:S38-53.
  6. Institute of Medicine. Food and Nutrition Board. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. National Academy Press, Washington, DC, 2001.
  7. Ross AC. Vitamin A and retinoids. In: Modern Nutrition in Health and Disease. 9th Edition (edited by Shils ME, Olson J, Shike M, Ross AC). Lippincott Williams and Wilkins, New York, 1999, pp. 305-27.
  8. Ross AC, Stephensen CB. Vitamin A and retinoids in antiviral responses. FASEB J 1996;10:979-85.
  9. Fontham ETH. Protective dietary factors and lung cancer. Int J Epidemiol 1990;19:S32-S42.
  10. Albanes D, Heinonen OP, Taylor PR, Virtamo J, Edwards BK, Rautalahti M, Hartman AM, Palmgren J, Freedman LS, Haapakoski J, Barrett MJ, Pietinen P, Malila N, Tala E, Lippo K, Salomaa ER, Tangrea JA, Teppo L, Askin FB, Taskinen E, Erozan Y, Greenwald P, Huttunen JK. Alpha-tocopherol and beta-carotene supplement and lung cancer incidence in the alpha-tocopherol, beta-carotene cancer prevention study: Effects of base-line characteristics and study compliance. J Natl Cancer Inst 1996;88:1560-70.
  11. Redlich CA, Blaner WS, Van Bennekum AM, Chung JS, Clever SL, Holm CT, Cullen MR. Effect of supplementation with beta-carotene and vitamin A on lung nutrient levels. Cancer Epidemiol Biomarkers Prev 1998;7:211-14.
  12. Pryor WA, Stahl W, Rock CL. Beta carotene: from biochemistry to clinical trials. Nutr Rev 2000;58:39-53.
  13. Office of Dietary Suppliments Face Sheet: Vitamin C
  14. Gokce N, Keaney JF, Jr., Frei B, et al. Long-term ascorbic acid administration reverses endothelial vasomotor dysfunction in patients with coronary artery disease. Circulation. 1999;99(25):3234-3240.
  15. Audera, C (2001). "Mega-dose vitamin C in treatment of the common cold: a randomised controlled trial". Medical Journal of Australia 389: 175.
  16. Hemilä, Harri; Chalker, Elizabeth; Douglas, Bob; Hemilä, Harri (2007). "Vitamin C for preventing and treating the common cold". Cochrane database of systematic reviews (Online) (3): CD000980
  17. Fleming DJ, Tucker KL, Jacques PF, Dallal GE, Wilson PW, Wood RJ (December 2002). "Dietary factors associated with the risk of high iron stores in the elderly Framingham Heart Study cohort". The American Journal of Clinical Nutrition 76 (6): 1375?84.
  18. Institute of Medicine. Food and Nutrition Board. Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids. Washington, DC: National Academy Press, 2000.
  19. Weinstein M, Babyn P, Zlotkin S. An orange a day keeps the doctor away: scurvy in the year 2000. Pediatrics 2001;108:E55.
  20. Hoffman FA. Micronutrient requirements of cancer patients. Cancer. 1985;55 (1 Suppl):295-300.
  21. Deicher R, Hörl WH. Vitamin C in chronic kidney disease and hemodialysis patients. Kidney Blood Press Res 2003;26:100-6.