Vitex agnus-castus in Nutritional Pharmacology: Endocrine Regulatory Mechanisms and Symptom-Oriented Clinical Applications From Dopaminergic and Hypothalamic-Pituitary-Gonadal Axis Modulation to Hormonal Homeostasis An Evidence-Based Review of Nutritional Pharmacology in Premenstrual Syndrome (PMS), Menstrual Irregularities, Infertility, Menopausal Transition, and Neuroendocrine-Related Emotional and Sleep Disorders 0009-0007-5798-1996 DOI: 10.5281/zenodo.17320068