Aims and background: Menstrual hygiene is a critical aspect of women's health, and exploring the lived experience of menstrual cup usage, among nursing students, can light an insight into valuable output to educate and practice in adolescent groups. This qualitative study aims to explore the lived-in experiences, challenges, and implications of using menstrual cups among nursing students. Materials and methods: A qualitative approach with a phenomenology approach involving in-depth interviews with nursing students aged 18–23 from diverse backgrounds. A purposive sampling technique was used to select the participants from those who used menstrual cups for at least one menstrual cycle. A thematic content-based analysis with a framework was done to identify recurring patterns, themes, and insights related to the participants’ lived experiences. Results: The study revealed the multifaceted experiences of 12 nursing students using menstrual cups. Themes encompassed aspects of comfort, acceptability, challenges, and recommendations. Most of the participants were in favor of using the menstrual cup, and there were comments of difficulty in sterilizing the cup after usage. The background of the student played a significant role in shaping the attitude and experience of using the menstrual cup. Conclusions: This qualitative study provides an explored understanding of the lived-in experiences of nursing students using menstrual cups. The positive and negative experiences of initial and subsequent usage of menstrual cups are picturized in this study. Clinical significance: Nursing students are the medium of awareness to the public, and with the changing trends in menstrual practices. They can be the best reference to understand the experience in the use of menstrual cups. Further research areas suggested to explore in this study are the prevalence and long-term impact of menstrual cup usage among nursing students, including opinions from males.