The milk tea nutrition, really depend a lot on the recipe. It is the ingredients, as is the case with any eatable substance, that define its calorific and nutritional content. So when I say milk tea, you probably imagine that it will contain milk, some or no water, and some or no sugar. So the calorie content and nutrition hinges on the ingredients are as follows.
So if you were to have a 10 fl. oz cup of milk tea without sugar, the beverage would add about 25 calories to your daily calorific intake. Out of the total, 9 calories are from fat, which is about 1 g. Of the 1 g of fat, 0.5 g is saturated.
Other nutrients in milk tea without sugar include 2 g of carbohydrates of which both 2 g are sugar based. Proteins up to 1 g are also present in your cup.
Amongst other things, it also contains sodium to the tune of 15 mg and about 5 mg of cholesterol. The presence of milk means that you will also find some calcium in it as well.
The presence of sugar means that most certainly the calories in milk tea will be driven up higher. The same 10 fl oz cup of milk tea now contains 70 calories. The number of calories from fat though still remains at about 9 calories on the cup. The total fat content and the saturated fat content too remains the same at 1 g and 0.5 g respectively.
The carbohydrates, on the other hand go up due to the presence of sugar and hence the total carbohydrates are suddenly 14 g, instead of 2 g as they were before and 13 g of these carbohydrates are sugar based. Other things again remain the same as the milk tea without sugar. Sodium stays at 15 mg, proteins still at 1 g, cholesterol at 5 mg and a bit of calcium as well.
Milk tea is a popularly enjoyed drink in many parts of the world and as you can see, it does not contain too many calories that you ought to stop the consumption of milk tea altogether. Just watch the sugar. The more sugar you put, the higher is the calorific content in it.