To provide an eating regulator that improves anorexia and hyperphagia and is safe even when eaten for a long time.SOLUTION: An eating regulator contains three amino acids of threonine, methionine and tryptophan as an active ingredient. Preferably, a weight ratio of tryptophan, threonine and methionine is 1:0.5-12:0.2-10.SELECTED DRAWING: Figure 3
NUTRITIVE COMPOSITION