Green Banana Flour for Gut Health

Research suggests that green banana flour may support gut health primarily through its high resistant starch content, which appears to act as a prebiotic by selectively promoting the growth of beneficial gut bacteria. Studies indicate that this effect has been observed in a mouse feeding study showing favorable shifts in microbial composition, and in a food formulation study demonstrating that noodles containing green banana flour supported the growth of beneficial Lactobacillus species in vitro. A 2024 review further summarizes existing evidence that green banana resistant starch, which comprises roughly 30% of its dry weight, may confer prebiotic benefits and potentially reduce risk factors associated with metabolic conditions, though the authors stop short of establishing definitive clinical outcomes. The current body of evidence is limited in its direct applicability to humans, as it consists of one animal study, one food product formulation study, and one narrative review rather than controlled human trials, meaning findings should be interpreted cautiously until more rigorous clinical research is available.