GHRP-6 is widely used in research settings to study its effects on growth hormone secretion and its potential therapeutic applications. It is often explored for its ability to stimulate appetite, making it a subject of interest in studies related to malnutrition or cachexia in patients with chronic illnesses. Additionally, it is investigated for its potential role in muscle growth, tissue repair, and recovery, particularly in the context of athletic performance or injury rehabilitation. Some studies also examine its effects on metabolic processes, including fat metabolism and insulin sensitivity. Outside of research, it is sometimes used in bodybuilding and anti-aging communities, though such applications are not medically approved. Its role in modulating immune function and inflammation is another area of ongoing investigation.