low-calorie

/L OW1 K AE0 L ER0 IY0/
adjective
  1. 1

    Of a diet, involving eating a lower number of calories than would normally eaten, usually with the intention of losing weight.

  2. 2

    Of a food or drink, having fewer calories than its standard form.

Source: https://en.wiktionary.org/wiki/low-calorie