Background: The age group susceptible to symptoms of Pre-Menstrual Syndrome begins in the early stages of puberty and ends at the menopause stage. The pathophysiology of Pre-Menstrual Syndrome is due to an imbalance of estrogen and progesterone hormones. One of the balancers of both hormones is the consumption of isoflavone food because the structure and its properties resemble estrogen. https://www.roneverhart.com/PG201004AV-Air-Compressor-Tank-Bushing-2-X-1-4-Campbell-Hausfeld/