To provide liquid nutrient supplement compositions that are in a presterilized state, have excellent formulation dispersibility, and have a good flavor, while containing vitamins, trace minerals, and vitamin-like substances in order to deal with deficiency of vitamins, trace minerals, and vitamin-like substances and to supplement these, and being in liquid form allowing administration by tube similarly to tube feeding, in addition to oral administration.SOLUTION: The subject is solved by a liquid nutrient supplement composition containing vitamins, trace minerals, and vitamin-like substances, the composition containing 0.05 to 0.20% (w/v) of agar with a jelly strength of 20 to 80 g/cm, and 0.1 to 0.3% (w/v) of thickening polysaccharide, the calorie being 0.05 to 1.0 kcal/mL, the pH being 3.0-4.5, the viscosity being 10-30 mPa s, the osmotic pressure being 250 to 350 mOsm/kg.SELECTED DRAWING: None【課題】ビタミン、微量ミネラルおよびビタミン様物質の欠乏症に備えて、これらを補充するため、ビタミン、微量ミネラルおよびビタミン様物質が配合されつつ、経口摂取のほか、経管栄養剤と同様に経管投与も可能な液状でありながら、予め殺菌された状態で、製剤的に分散性が良く、風味が良好な液状の栄養素補給組成物を提供することにある。【解決手段】ビタミン、微量ミネラル、ビタミン様物質を配合する組成物であって、ゼリー強度が20~80g/cm2である寒天を0.05~0.20%(w/v)、増粘多糖類を0.1~0.3%(w/v)を含み、熱量が0.05~1.0kcal/mL、pHが3.0~4.5、粘度が10~30mPa・s、浸透圧が250~350mOsm/kgである液状栄養素補給組成物によって解決される。【選択図】なし