A calorie less meal is a structured . eating plan that restricts daily calorie intake commonly for weight loss .following a low calorie meal typically means consuming aroud 400 to 500 calories day time ( lunch) that can lead to weight loss but its requires a lot of descipline to work and be safe scientists have been studying low calorie diets since as far back as the 1980s however ,just because the science is simple dose not mean actually following a calorie less meal plan is easy .it takes planning and efforts to understand low calorie meal plan is not recommended for everyone including pregnant or brest feeding woman (who need enough calorie to sustain there growing babies as well as themselves ) and athletes ( who need the energy from sufficient calorie to perform