To provide: a semi-solidified nutrient having good shape retention even when pushed out of a syringe, etc., and having little resistance when pressed out of a tube； and a preparation method therefor. A semi-solidified nutrient for gastrostomy including a nutrient, an agar having a jelly strength of no more than 10 kPa, and a processed starch. The content of the agar having a jelly strength of no more than 10 kPa is 0.05-1 mass% relative to the total amount of the semi-solidified nutrient for gastrostomy, and the processed starch content is 0.1-7 mass% relative to the total amount of the semi-solidified nutrient for gastrostomy.本發明提供一種半固形化營養劑及其之調整方法，該半固形化營養劑即使由注射器等擠出時，其保形性高，且由管子擠出時之阻力少。本發明之胃造口用半固形化營養劑，係包含：營養素、凝膠強度10 kPa以下(含10 kPa)之洋菜以及加工澱粉者，上述凝膠強度10 kPa以下(含10 kPa)之洋菜含量相對於上述胃造口用半固形化營養劑之總量為0.05至1質量%，上述加工澱粉之含量相對於上述胃造口用半固形化營養劑中之總量為0.1至7質量%。
