Coca Tea or Mate de Coca is known as the national drink of the Andean Countries, and is consumed by millions of South Americans as a healthful alternative to coffee. Mate de Coca consumption has many benefits: Energize The Body, Stimulate Mental Alertness, Aid Weight Loss, Gentle Diuretic, Relieve Stress, Calm Allergies and Help the Immune System.
There are no super fruits. All fruits come with a host of benefits. An apple has powerful nutrients and so does an orange. It was an orange that was found to cure Scurvy disease. The Watermelon is said to have incredible abilities to protect the body from illness. Why not mix and enjoy all the benefits. Stick to the fruits and avoid the fake sugars like Splenda and Equal http://www.thisissouthwales.co.uk/High-blood-sugar-Food-lies-really/story-17846368-detail/story.html
In your TIME article, 1/21/13 you picture a Dragon Fruit, not the Pitaya. The Dragon Fruit, which is from Asia, has a bright white inside and is completely tasteless. According to Pitaya+, a competitor of Juice Generation, the fruit from Nicaragua has red flesh hence the antioxidents and other nutritional benefits.
A fruit doesn't have to be exotic for it to have powerful health powers -- some of the more ordinary fruits are also superfruits! For example, Lychees have a compound called "oliginol" that has anti-cancer properties. Papayas have papain and chymopapain, two powerful enzymes that enhance digestion and break down scar tissue. Elderberry has anthocyanin, a powerful antioxidant with potent anti-viral powers.