Thousands of years ago, one of the main concerns of Chinese imperial wives was to preserve their youth. To this end, the court doctors created the King of Kings capsule for them, the main ingredients of which are soy extract and plant polysaccharides. Soy lecithin contributes to the stability of cell membranes, thereby optimal cell function, and is necessary for the functioning of the brain and nervous system. Soy isoflavonoids support the maintenance of comfort during menopause. In the case of frequent heat waves, consumption of soy foods is recommended.