Abstracts Background: Women of childbearing age tend to suffer from anemia due to women having menstruation every month and it becomes aggravated if iron intake from daily food is low. Purpose: This study aims to determine the effectiveness of pineapple in the absorption of iron to trigger an increase in hemoglobin levels in female workers of childbearing age. Methods: This study used a quasi-experimental design with a pre-test and post-test control group design. The research sample consisted of 90 people who were divided into 3 groups, the first group received 100 mg/day fresh pineapple intake for 30 days and Fe tablets once per week, group 2 got 100 mg/day pineapple intake without Fe tablets, the third group only got Fe alone. no pineapple added. Data analysis was univariate and bivariate to test the differences in 3 variables using the Independent T-Test statistical test. Results: The results showed that there was an increase in Hb levels before and after being given 100 gr fresh pineapple fruit and Fe tablet for 1 month of 0.98 gr/dl. There was a significant effect between before and after giving 100 gr of fresh pineapple fruit and Fe tablets and giving Fe tablets only (p-value 0.047). Conclusion: The consumption of pineapple in women of childbearing age and Fe tablets can increase hemoglobin levels when consumed regularly and regularly at a minimum dose of 100 g / day. Pineapple can be selected as a daily fruit intake to increase iron absorption.AbtraksLatar Belakang: Wanita usia subur cenderung menderita anemia disebabkan wanita mengalami menstruasi setiap bulan dan menjadi diperberat jika asupan zat besi dari makanan sehari-hari rendah. Tujuan: Penelitian ini bertujuan mengetahui efektifitas buah nanas dalam penyerapan zat besi guna memicu kenaikan kadar haemoglobin pada pekerja wanita usia subur. Metode: Penelitian ini menggunakan desain quasi eksperimental dengan pre test and post test control group design. Sampel penelitian berjumlah 90 orang yang dibagi menjadi 3 kelompok, kelompok pertama mendapat asupan nanas segar 100 mg/hr selama 30 hari dan tablet Fe 1x/pekan, kelompok 2 mendapat asupan nanas 100 mg/hr tanpa tablet Fe, kelompok ketiga hanya mendapat Fe saja tanpa tambahan nanas. Analisis data secara univariat dan bivariat untuk menguji perbedaan 3 variabel dengan menggunakan uji statistic Independent T-Test. Hasil: Hasil penelitian menunjukkan bahwa terdapat peningkatan kadar Hb sebelum dan sesudah diberikan buah nanas segar 100 gr dan tablet Fe selama 1 bulan sebesar 0,98 gr/dl. Ada pengaruh yang signifikan antara sebelum dan sesudah pemberian buah nanas segar 100 gr dan tablet Fe maupun pemberian tablet Fe saja (p-value 0,047). Simpulan: Konsumsi buah nanas pada wanita usia subur dan tablet Fe mampu peningkatan kadar haemoglobin bila dikonsumsi rutin dan teratur minimal dengan dosis 100 gr/hari. Nanas dapat dipilih sebagai asupan buah sehari-hari dalam meningkatkan absorbsi zat Fe. Anemia; Buah nanas; Zat besi; Wanita usia subur.