Latar Belakang : Anemia defisiensi besi merupakan kurangnya sediaan eritrosit untuk melakukan eritropoisis yang pada akhirnya menyebabkan penurunan Hb. Pemerintah mencegahnya dengan program tablet tambah darah untuk remaja putri. Di Kabupaten Tabanan (98,52%) remaja mendapat tablet tambah darah, namun hanya (95,77%) data remaja yang minum tablet tambah darah. Hal ini menunjukkan ketidakpatuhan, yang dipengaruhi oleh pengetahuan dan sikap remaja tentang anemia. Penelitian perlu mengkaji hubungan pengetahuan dan sikap remaja dengan kepatuhan konsumsi tablet tambah darah. Tujuan Penelitian : Mengetahui hubungan antara tingkat pengetahuan dan sikap remaja putri tentang anemia dengan kepatuhan konsumsi tablet tambah darah di SMAN 1 Tabanan Metode : Penelitian ini menggunakan desain analitik korelasi dengan pendekatan crosss-sectional. Total 151 remaja putri dipilih melalui total sampling. Data dikumpulkan melalui kuesioner kemudian dianalisis dengan uji statistik spearman- Rho. Hasil : Dari 151 responden, sebanyak 81 responden (53,6%) memiliki pengetahuan baik, dan sebanyak 125 responden (82,8%) responden memiliki sikap yang positif tentang anemia. Mayoritas kepatuhan remaja berada pada kategori tinggi sebanyak 82 (54,3%). Kesimpulan: Terdapat hubungan yang signifikan antara tingkat pengetahuan dan sikap tentang anemia dengan kepatuhan konsumsi tablet tambah darah (p

Background: Iron deficiency anemia is a lack of erythrocyte supply to perform erythropoisis, which eventually causes a decrease in Hb. The government prevents this with a blood tablet program for teenage girls. In Tabanan District (98.52%) of adolescents received blood supplement tablets, but only (95.77%) of adolescents took blood supplement tablets. This indicates non-adherence, which is influenced by adolescents' knowledge and attitudes about anemia. Research needs to examine the correlation between adolescents' knowledge and attitudes with adherence in taking blood supplement tablets. Purpose: To determine the correlation between knowledge level and attitudes of young women about anemia with adherence in taking blood supplement tablets at SMA N 1 Tabanan Method: This study employed analytic correlation study with cross-sectional approach. There were 151 young women recruited as sample of the study which were selected through total sampling technique. The data were collected by using questionnaire and analysed by using Spearman-Rho statistical test. Result: The finding showed that there were 81 respondents (53.6%) had good knowledge and there were 125 respondents (82.8%) had positive attitude about anemia. The majority of young women adherence was in the high category as many as 82 (54.3%) Conclusion: There is a significant correlation between the level of knowledge and attitudes about anemia with adherence in taking blood supplement tablets (p < 0.05). The higher the knowledge about anemia and the more positive the attitude, the higher the adherence of young women in taking blood supplement tablets. Keywords: Knowledge, Attitude, adherence in taking blood supplement tablets, Anemia