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Fiber

Green Banana Flour

Also known as: Unripe banana flour, Musa acuminata, resistant starch banana, green plantain flour

B
Evidence

A flour made from unripe bananas, rich in resistant starch and soluble fiber that is not digested in the small intestine. Supports prebiotic activity, glycemic control, and gut health.

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Primary uses

  • Prebiotic and resistant starch source
  • Digestive and gut microbiome support
  • Glycemic control support
  • Satiety and appetite management

How it works

  • Resistant starch escapes small intestinal digestion, reaching the colon intact
  • Prebiotic substrate for beneficial bacteria fermentation
  • Lower glycemic impact than regular starch
  • Short-chain fatty acid (SCFA) production via colonic fermentation
  • Enhanced satiety and reduced appetite signaling

Dosage

Typical range
10–30 g daily (as part of food or mixed into beverages)
Timing
With meals or as flour component in recipes
With food
Best taken with food; can be baked into breads, mixed into smoothies, or stirred into oatmeal
Duration
Safe for long-term use; consistent intake maximizes prebiotic benefit
Special populations
May cause temporary digestive adjustment; start low and titrate up. Use cautiously in severe IBS.

Forms

  • Flour· 70/100
  • Powder· 70/100

Safety

Common side effects

  • Bloating (typically transient)
  • Mild gas during adaptation period
  • Softer stools initially

Contraindications

  • Banana allergy or latex-fruit syndrome (cross-reactivity risk)
  • Severe active IBS or inflammatory bowel disease

Evidence notes

Good evidence from multiple studies demonstrating prebiotic effect, improved insulin sensitivity, and satiety. Resistant starch is well-characterized mechanistically; human trials support digestive and metabolic benefits.

Grade B: Some human trials support key claims; further confirmation needed.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.