Yet ANOTHER Benefit of Resistant Starches: The Gut

Physionic

Jun 15, 2026

Episode description

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0:00 - Introduction
0:25 - ‘Leaky Gut, like a Leaky Faucet’
4:24 - Human, After All
5:53 - Dosing Considerations

Resistant Starch on Visceral Fat: https://www.youtube.com/watch?v=0Er08-E2HnU&t=1s
Resistant Starch on 'Cleansing' Liver, Blood, and Intestines: https://www.youtube.com/watch?v=U6IcMW5Khh4&t=324s

References*
*Full Funding/Conflicts are provided in the free article (found in email list and Physionic Community Article Library)
[Study 606] Ni Y, Qian L, Leal Siliceo S, et al. Resistant starch decreases intrahepatic triglycerides in patients with NAFLD via gut microbiome alterations. Cell Metab. 2023;35(9):1530-1547. doi:10.1016/j.cmet.2023.08.002

[Study 607] Long X, Wang H, Lu Y, et al. Interindividual variability in gut microbiome mediates the efficacy of resistant starch on MASLD. Cell Metab. 2025;37:2342-2361. doi:10.1016/j.cmet.2025.10.017

[Study 608] Li H, Zhang L, Li J, et al. Resistant starch intake facilitates weight loss in humans by reshaping the gut microbiota. Nat Metab. 2024;6(3):578-597. doi:10.1038/s42255-024-00988-y

[Study 846] Cao S, Shaw EL, Quarles WR, et al. Daily inclusion of resistant starch-containing potatoes in a Dietary Guidelines for Americans dietary pattern does not adversely affect cardiometabolic risk or intestinal permeability in adults with metabolic syndrome: A randomized controlled trial. Nutrients. 2022;14(8):1545. doi:10.3390/nu14081545

[Study 847] Bush JR, Han J, Deehan EC, et al. Resistant potato starch supplementation reduces serum histamine levels in healthy adults with links to attenuated intestinal permeability. J Funct Foods. 2023;108:105740. doi:10.1016/j.jff.2023.105740

[Study 848] Rabbani GH, Teka T, Saha SK, et al. Green banana and pectin improve small intestinal permeability and reduce fluid loss in Bangladeshi children with persistent diarrhea. Dig Dis Sci. 2004;49(3):475-484.

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Disclaimer: None of the information provided by this brand is a replacement for your physician's advice. This brand is information for the sake of knowledge and the options of choice it provides, not in any way a personalized prescription. Please consult your physician before making any health related changes.

Mindsip insights from this episode:

Incorporate green banana flour and potato starch for resistant starch benefits

Recommended sources for resistant starch supplements include green banana flour, green plantain flour, potato starch, and high amylose maize.

Recognize leaky gut as a colloquial term, not clinically validated

The term "leaky gut" is a colloquialism that is not clinically recognized, partly because it is so difficult to measure accurately.

Reduce inflammation by consuming resistant starches

In a four-month human study, people consuming resistant starches experienced reductions in blood levels of the inflammatory molecule lipopolysaccharide (LPS).

Utilize 40g of resistant starch daily for gut health benefits

The most convincing studies showing benefits for gut health used a daily dose of 40 grams of resistant starch.

Strengthen gut health with resistant starches

Resistant starches reduce gut permeability by increasing the number of tight junction proteins between gut cells, effectively keeping the gut tight.

Choose resistant starch powders for practical nutrition

Consuming the required 40 grams of resistant starch from whole foods like green bananas can be prohibitive, making powders a more practical choice.

Clarify resistant starch dose versus supplement powder weight

A 40-gram dose refers to the actual resistant starch content, not the total weight of the supplement powder, which is a common point of confusion.

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