Curry powder has 7 calories per teaspoon, according to Calorie Count. Two calories of the 7 derive from fat. Curry has 0.3 grams of total fat and 1 milligram of sodium per teaspoon.
A 1-teaspoon serving of curry powder has 30.86 milligrams of potassium and 1.2 grams of carbohydrates. It also has 0.1 grams of sugar, 0.3 grams of protein and 0.7 grams of dietary fiber. It provides 3 percent of the iron and 1 percent of the calcium recommended for a 2,000-calorie diet.
Curry has some health benefits, including being high in magnesium, phosphorus, potassium and vitamin B6, according to Calorie Count.