Tang is a fruit-flavored breakfast drink, first marketed in powder form in 1959. Sales really took off when the sweet powder was mixed with potable water used during John Glenn's space mission, and it became forever entwined with the NASA space program. Ingredients have changed a bit over the ensuing fifty years, most recently in 2007, reducing the sugar content.
1/2 the sugar of 100% juice. 100% Daily Value of Vitamin C. 40 calories per 8 fl oz serving.