a diet having a caloric value equal to the basal heat production and sufficient quanties of essential nutrients to meet basic needs, in experiments in nutrition, a diet from which a given constituent (e.g., a vitamin, mineral, or amino acid), the nutritional value of which is to be determined, is omitted for a period and the effects observed; the subject is observed for a second period during which the ingredient being studied is added to the diet.
Results from our forum
... morning, that is, when you do not eat say 12 hours or even fewer BMR = basal metabolic rate or base metabolic rate and the rate is controlled by ... what cause BMR to decrease. BMR does not decrease in food restriction diets that are done sensibly. This means that you never drop more than 1000 ...
See entire post