Abstrak: Stunting adalah masalah gizi serius yang memengaruhi 30% anak di Indonesia, berdampak pada perkembangan fisik dan kognitif mereka. Kurangnya pemahaman mengenai gizi dan kesehatan reproduksi menjadi salah satu penyebabnya, terutama di kalangan remaja Muhammadiyah di Kota Sukabumi. Program pengabdian ini bertujuan untuk meningkatkan kesadaran remaja Muhammadiyah mengenai stunting, kesehatan reproduksi, dan kesiapan mental dalam pernikahan. Metode yang digunakan termasuk sosialisasi, penyuluhan, dan kampanye media sosial, melibatkan 86 remaja di SMP/SMA/SMK Muhammadiyah Sukabumi. Sistem evaluasi yang digunakan adalah pre-test dan post-test dengan kuesioner terstruktur untuk mengukur peningkatan pengetahuan remaja Muhammadiyah terkait kesehatan reproduksi, gizi, peran keluarga, dan pencegahan stunting. Hasilnya dianalisis secara kuantitatif guna menilai efektivitas program pendidikan pranikah terpadu. Hasilnya, pengetahuan peserta meningkat signifikan, seperti tentang pendidikan seksual komprehensif dari 50% menjadi 90%, dan perilaku seksual pranikah dari 65% menjadi 92%. Sebanyak 92% peserta merasa kegiatan ini sangat bermanfaat, dengan 95% puas dengan materi yang disampaikan. Program ini diharapkan dapat berlanjut melalui integrasi ke kurikulum sekolah dan kerjasama dengan tenaga kesehatan lokal.Abstract: Stunting is a serious nutritional problem that affects 30% of children in Indonesia, affecting their physical and cognitive development. Lack of understanding about nutrition and reproductive health is one of the causes, especially among Muhammadiyah teenagers in Sukabumi City. This community service program aims to increase awareness of Muhammadiyah teenagers about stunting, reproductive health, and mental readiness for marriage. The methods used include socialization, counseling, and social media campaigns, involving 86 teenagers in Muhammadiyah Junior High Schools/Senior High Schools/Vocational High Schools in Sukabumi. The evaluation system used is a pre-test and post-test with a structured questionnaire to measure the increase in knowledge of Muhammadiyah teenagers regarding reproductive health, nutrition, family roles, and stunting prevention. The results were analyzed quantitatively to assess the effectiveness of the integrated premarital education program. As a result, participants' knowledge increased significantly, such as about comprehensive sexual education from 50% to 90%, and premarital sexual behavior from 65% to 92%. As many as 92% of participants felt that this activity was very useful, with 95% satisfied with the material presented. This program is expected to continue through integration into the school curriculum and collaboration with local health workers.