Transcript for Coconut: How Healthy Is the Superfood?
But now to the coconut craze. It's one of the hottest health trends right now from water to milk to oil, but is all this coconut really good for you? ABC's Sara Haines has that story. ? Reporter: Coconut, it's the ingredient that celebrities can't seem to get enough of. Stars like Rihanna, Jessica alba and Heidi Klum are self-professed fans. The health craze of 2015. Reporter: Not just coco water but coconut oil and milk are huge hits. Starbucks recently rolled out a coconut milk blend and while people are really talking about the health benefits of coconuts is this nut all it's cracked up to be. It's good in some cases, not really in others. If you're doing cold dishes or salads. Olive oil is so superior. Reporter: While both olive oil and coconut oil 15120 calories to tablespoon olive oil has 2 grams to 12 grams in coconut. As a thirst quencher, one cup of coconut milk has 552 calories and 51 grams of saturated fat. One cup of whole milk, 146 calories and 4.5 grams of saturated fat. Coconut milk is great if you're vegan. Easy to digest, great if you have a milk allergy or lactose intolerant. That being said coconut milk packs calories. Reporter: The place I always see it when it comes to gyms people say coconut water. Coconut water has 46 calories per cup much that's clearly more calories than plain old water so what is it in the coconut water that's making it this magic -- It's the electrolytes and hydration and getting a lot of potassium into your system quickly. Exercising a lot go for coconut water. Otherwise, stick with water. Reporter: Coconut containing foods and beverages can be part of a healthy diet but that being said they can contain a lot of calories and this can quickly add on some unwanted pounds. Reporter: For "Good morning America," Sara Haines, ABC news, New York.
This transcript has been automatically generated and may not be 100% accurate.