AbstrakRemaja putri merupakan kelompok anemia berisiko tinggi dibandingkan putra dengan prevalensi di Indonesia 26,5%. Penelitian quasy experiment dengan desain pre-post intervention bertujuan menganalisis pengaruh pendidikan gizi terhadap pengetahuan gizi dan konsumsi zat gizi remaja putri. Sampel berjumlah 51 orang yang dilakukan di SMP Negeri 21 Medan tahun 2015. Pendidikan gizi diberikan dua kali dengan metode ceramah, tanya jawab dengan booklet. Asupan gizi diketahui dengan metode food recall 24 jam (dua kali). Hasil menunjukkan bahwa skor pengetahuan gizi meningkat dari 62,39±12,05 poin menjadi 72,31±17,01 poin. Asupan gizi (protein, vitamin C, vitamin A, asam folat, besi, zink, tembaga) mengalami penurunan sesudah intervensi. Ada perbedaan bermakna (p0,05) asupan gizi sebelum dan sesudah intervensi. Hasil ini menunjukkan bahwa pendidikan gizi hanya meningkatkan pengetahuan gizi remaja putri, tetapi tidak meningkatkan asupan gizi.Kata Kunci : pendidikan gizi, asupan gizi, remaja putri, anemia AbstractAdolescent girls are high risk to anemia rather than boys with prevalence in Indonesia 26,5%. This quasy experiment research with pretest-posttest group design study aimed to analyze effect of nutrition education on knowledge and nutrition consumption in adolescent girls. Samples with 51 subjects was conducted in Junior High School 21 Medan in 2015. The nutrition education was given twice using lecture & question answer with booklet. Nutrition consumption was gathered twice with food recall 24 hours method. The results showed that knowledge nutrition score increased from 62.39±12.05 points to 72.31±17.01 points. Nutrients intake (protein, vitamin C, Vitamin A, folic acid, iron, zink, copper) decreased in the post intervention. There was a significant difference (p0.05) nutrition consumption pre and post intervention. This imply that nutrition education only improved the adolescent girls’ knowledge nutrition, but did not improved the nutrient intake.Keyword : Nutrition Education; Nutrient Intake; Adolescent Girls; Anemia.