Excessive fiber consumption can increase the risk of zinc deficiency, constipation, and negatively impact hormonal balance and nutrient bioavailability.

“specifically fiber overconsumption can be dangerous for humans this is a very contrarian perspective and probably merits a talk all of its own but dietary fiber intake increases the risk of zinc deficiency in healthy women stopping or reducing dietary fiber intake reduces constipation and associated symptoms that second study actually shows that the removal of fiber resulted in the complete resolution of idiopathic constipation in a moderately sized group of people and then the last reference there the effect of daily fiber intake on the reproductive function they concluded that a diet high in fiber is significantly associated with decreased hormone concentrations and a higher probability of an ovulation and women”