Lab and animal studies suggest it can act a bit like a hormone in the body (mildly mimicking estrogen and slightly blocking male hormones)

Results from a cross-sectional study Adrenal responses to stress Restricted and disrupted sleep: effects on autonomic function, neuroendocrine stress systems and stress responsivity The impact of sleep disorders on glucose metabolism: endocrine and molecular mechanisms Sleep disturbances and insulin resistance Polycystic ovary syndrome and the risk of obstructive sleep apnea: a meta-analysis and review of the literature Polycystic ovary syndrome: a complex condition with psychological, reproductive and metabolic manifestations that impacts on health across the lifespan Polycystic ovary syndrome Anxiety, depression, and quality of life in women with polycystic ovarian syndrome Nonsteroidal anti-inflammatory drugs alter body temperature and suppress melatonin in humans A possible change process of inflammatory cytokines in the prolonged chronic stress and its ultimate implications for health Amber lenses to block blue light and improve sleep: a randomized trial Bigger, brighter, bluer-better

If you pursue skin lightening, understand that results vary and some regulators do not endorse injections for cosmetic purposes
COA-verified compounded oral capsules from licensed Thai laboratories represent the same quality standard as injectable preparations, distinguishing both from research-grade powders sourced from unregulated suppliers
Read guide Temperature, light, and moisture conditions for lyophilized and reconstituted peptides
J.MajeedN.et al (2000)