Healthy micro-circulation nourishes ovarian follicles and supports exercise recovery, yet many women experience sub-optimal nitric-oxide levels. Enhancing endothelial function can improve pelvic blood flow, athletic endurance, and hormonal balance. Arginine and citrulline drive de-novo NO synthesis, while fenugreek and DIM modulate estrogen–androgen ratios that influence vascular reactivity. NAC plus magnesium quiet oxidative stress, allowing the Big Libido botanical blend to translate higher perfusion into noticeable vitality.