A neutral-fat-level-regulating agent, a cholesterol-level-regulating agent, a free-fatty-acid-level-regulating agent or an anti-obesity agent, including: at least one of protopanaxatriol, panaxatriol, protopanaxadiol and panaxadiol which are aglycons of dammarane-type saponins； and a hyperlipemia-ameliorating agent including: at least one of the neutral-fat-level-regulating agent, the cholesterol-level-regulating agent, the free-fatty-acid-level-regulating agent and the anti-obesity agent.
