This article provides an extensive examination of the phytochemical composition and the various health benefits associated with pumpkin (Cucurbita moschata). Pumpkin, a versatile plant belonging to the Cucurbitaceae family, is recognized for its climbing and creeping growth patterns. It is classified as a fruit and offers a rich source of essential nutrients, including water, protein, fiber, vitamins, minerals, and bioactive compounds. The bioactive substances found in pumpkin seeds have gained significant attention for their potential in medicinal and functional food products. The study highlights the diverse advantages linked to pumpkin consumption, such as immune system enhancement, eye health maintenance, antioxidant activity, vitamin A source, antiglycemic effects, and properties that help lower cholesterol and blood pressure levels. Additionally, pumpkin exhibits antibacterial, anti-inflammatory, antifungal, and antitumor activities, making it a promising candidate for various therapeutic applications. The role of carotenoids, particularly beta-carotene, in pumpkin's biological effects is emphasized. The article also delves into the quantification of carotenoids using high-performance liquid chromatography (HPLC) technology and discusses the concentration of carotene in yellow and red pumpkin pulp. Furthermore, the article outlines the quantitative extraction and analysis of phenols from pumpkin seeds. Overall, this comprehensive review provides valuable insights for researchers, industries, and health-conscious individuals interested in harnessing the potential of pumpkin for various applications in nutrition and healthcare.