JUST DRINK IT. WE'VE DONE THE REST.

FREE SHIPPING ON U.S. ORDERS $125+

Calorie Calculator: How Many Calories Should You Eat?

Weight scale with blue measuring tape

Nitin Thakur |

Welcome to the Optimum EFX Calorie Calculator. Use it to determine roughly how many calories you burn each day as well as how many fewer calories you need to eat to reach your goal weight.