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Coconut water nutrition facts

Coconut water is actually the juice present inside the interior cavity or endosperm of young, tender coconut. Its water is one of the nature’s most refreshing drinks, consumed worldwide for its nutritious and health benefiting properties.

The water is actually obtained by opening a tender, green, healthy, and undamaged coconut. Inside, it's clear liquid is sweet, and sterile and composed of unique chemicals such as sugars, vitamins, minerals, electrolytes, enzymes, amino acids, cytokine, and phyto-hormones. In general, young and slightly immature coconuts gathered from the coconut tree after they reach about 5-7 months of age for the purpose of reaping its drink.

drinking coconut water coconut palm
Sweet, tender coconut water
Photo courtesy by: bortescristian
Tender coconuts in a coconut palm.

Botanically, coconut plant belongs to the Arecaceae family of palm trees, and has the scientific name: Cocos nucifera.

Each coconut may contain about 200 to 1000 ml of water depending upon cultivar type and size. Any nuts younger than five months of age tend to be bitter in taste and devoid of nutrients. In contrast, mature coconuts contain less water, and their endosperm thickens quickly into white edible meat (kernel). Coconut milk obtained from the meat, therefore, should not be confused with coconut water.

Coconut palm flourishes well under the costal tropical environments. A coconut tree may yield several hundreds of tender nuts each season. Different species of coconut palms are grown all over the tropics. Naturally, their taste and flavor of water show variations according to saline content in the soil, distance from seashore, climate, etc.

Health benefits of coconut water

  • Coconut water is a very refreshing drink to beat tropical summer thirst. Its liquid is packed with simple sugars, electrolytes, and minerals to replenish dehydration conditions inside the human body.

  • Research studies suggest that cytokinins (e.g., kinetin and trans-zeatin) in coconut water found to have significant anti-ageing, anti-carcinogenic, and anti-thrombotic (anti-clot formation) effects.

  • Coconut water has been generally offered to patients with diarrhea in many tropic regions to replace the fluid loss from the gastrointestinal tract and to reduce the need for hospitalisation. The osmolarity of tender coconut water is slightly greater than that of WHO recommended ORS (Oral Rehydration Therapy) solution. Presence of other biological constituents like amino acids, enzymes, minerals, and fatty acids may account for this higher osmolarity. Nonetheless, unlike WHO-ORS, its water is very low in sodium and chlorides, but rich in sugars and amino acids. This well-balanced fluid composition, along with much-needed calories, would be an ideal drink instead of any other kind of soft drink beverages available in the markets to correct dehydration conditions.

  • Coconut water is composed of many naturally occurring bioactive enzymes such as acid phosphatase, catalase, dehydrogenase, diastase, peroxidase, RNA-polymerases etc. In effect, these enzymes help in the digestion and metabolism.

  • Despite being very light in consistency, its water proportionately has better composition of minerals like calcium, iron, manganese, magnesium, and zinc than some of the fruit juices like oranges. (Compare the mineral composition of oranges).
  • Its liquid is also a very good source of B-complex vitamins such as riboflavin, niacin, thiamin, pyridoxine, and folates. These vitamins are essential in the sense that the human body requires them from external sources to replenish.

  • Coconut water carries a very good amount of electrolyte potassium. 100 ml of water has 250 mg of potassium and 105 mg of sodium. Together, these electrolytes help replenish electrolyte deficiency in the body due to diarrhea (loose stools).

  • Further, fresh coconut water has a small amount of vitamin-C (Ascorbic acid); It provides about 2.4 mg or 4% of RDA. Vitamin C is a water-soluble ant-oxidant.

Selection and storage

tender coconuts ready for drink
Tender coconuts ready to use.

Fresh tender coconuts can be readily available in the markets in tropical regions year-round. However, they require importation into the semitropical and cold regions. Nowadays, ready to use tender coconuts imported from Thailand and Malaysia can be easily available in the USA, European Union, and Canada.

In the stores, coconut water also sold in packets, and bottles as well. However, its overall nutritional profile may not be same and up to the mark in terms of vitamins and enzyme levels, since some kind of additives and preservative need to be added in it in order to enhance shelf life.

At home, raw tender coconuts can be kept at room temperature for about 5-10 days. Once opened, its liquid soon turns sour and off-flavored due to intense enzymatic activity. Instead, store it inside the refrigerator if not used immediately.

Preparation and serving tips

coconut drink coconut water juice
Refreshing coconut drink.
Iced coconut juice with tender coconut meat topping.
Photo courtesy: Andrew currie.

To prepare, using a long sickle, cut open its outer layer (exocarp) either at the top or bottom end and cut open the inner hard shell to expose cavity hoding coconut water. Some sort of expertise and caution are required to avoid injuries. Its water is then sipped using a straw. Otherwise, the whole nut is tilted upside down to transfer its water into wide mouthed bottle or bowl.

  • Enjoy the coconut drink without any additions.

  • Iced coconut water can be a refreshing drink.

  • Fresh water can be made special drink adding lemon slices, mint leaves, orange zest, etc.

  • Its gel-like meat (kernel) inside the young tender coconuts is very sweet and delicious.

Safety profile

Coconut water is universally appealing drink. There are no known reactions of any sort notified so far drinkig it. It is not only cherished in healthy but considered safe in pregnancy, infants as well as in diseased conditions. (Medical disclaimer).


The discussion in this page is solely dedicated to water (liquid) or solution of tender coconuts, and not about coconut milk, meat, coconut oil or any products of coconut tree.

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Further Resources:

1. USDA National Nutrient Database.

2. Coconut Research center- PDF.