"It's typical for hormones to fluctuate from instant to moment, day after day and in portions of your cycle, and hormones like insulin and cortisol fluctuate from second to instant according to various stimuli," Tang https://biobodyboost.co.uk/products/fluid-balance-electrolyte-hormone-water-blend?_pos=1&_psq=fluid&_ss=e&_v=1.0