Coconut Water
(1) People in tropical areas around the world have enjoyed drinking coconut water for ages. (2) However, in just the last few years, its popularity has boomed, and it can now be found on U.S. supermarket shelves. (3) Companies that market coconut water are singing its praises, saying it is "nature's sports drink." (4) They also claim it has some important health benefits. (5) However, coconut water may just be another passing fad.
(6) Even those who enjoy it admit that the drink is an acquired taste because of its unusual flavor. (7) Some people think it has a nutty, sour taste while others swear it tastes like old socks. (8) Coconut water's popularity is not based so much on its taste but rather on its other qualities. (9) Ads for coconut water claim it can improve circulation and even decrease the chances of heart disease and stroke. (10) These claims are based on the fact that coconut water is high in potassium, a vital nutrient.
(11) Potassium is also essential because people lose much of it when they work out or sweat. (12) Many companies that bottle coconut water assert that the water can help people refill their lost potassium. (13) There are a lot of sports drinks rich with potassium on the market. (14) Sports drinks have many additional nutrients, such as other vitamins and minerals, that coconut water does not have. (15) In addition, if a person eats enough vegetables and fruits, like bananas, he or she is probably getting enough potassium without the help of coconut water or a sports drink. (16) The fact is, unless one is a serious athlete who exercises heavily, coconut water isn't needed. (17) For the average person, good old water is likely the only drink required.
Which transitional word or phrase should be added to the beginning of sentence 13?
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To summarize,
However,
As a result,
Finally,