PURPOSE: A composition is provided to contribute to growth by activating skeletal growth and metabolism of children and teenagers in a balanced way by using a natural product. CONSTITUTION: A composition for promoting growth and development of children and teenagers comprises 5 to 20 wt% of a marsh snail powder, 5 to 20 wt% of sea tangle extract, 20 to 30 wt% of Injin wormwood extract, 20 to 30 wt% of chlorella, and 20 to 30 wt% of seaweed calcium based on 100 wt% of a total weight of the composition. The composition for promoting growth and development of children and teenagers further comprises at least one component selected from Dioscorea rhizoma extract, extract of acanthopanax, malt extract, Aurantii nobilis Pericarpium extract, radish seed extract, ponciri fructus extract, extract of schisandra chinensis, wild field berry extract, longan extract, extract of Angelica gigas Nakai, extract of cortex eucommiae, chinese quince extract, Phlomidis Radix choo choo excrescence, Bombycis Corpus extract, extract of puerariae radix, balloon-flower extract, Jujube extract, Glycyrrhiza extract, peppermint extract, and dried deer extract. The composition is a health promoting food in the form of a powder, a granule, a tablet, a capsule, or a beverage.본 발명은 어린이 및 청소년 성장 발육에 도움을 주는 조성물에 관한 것으로, 본 발명의 조성물은 다슬기 분말, 다시마 추출물, 인진쑥 추출물, 클로렐라, 해조 칼슘을 유효성분으로 함유하며, 상기 추출물 총 중량 100 중량%에 대하여 1~20 중량%의 다슬기 분말, 1~20중량%의 다시마 추출물, 10~30 중량%의 인진쑥 추출물, 10~30 중량%의 클로렐라, 10~30 중량%의 해조 칼슘을 포함하는 것을 특징으로 한다.