Monograph
Resistant Starch: A Practical Guide
Overview Resistant starch (RS) is a form of dietary starch that resists digestion in the small intestine and passes largely intact to the colon, where it is fermented by the resident microbiota. It is classified into five subtypes based on physical and chemical properties: RS1 (physically…
By Kristopher Crawford
·
13 May 2026
·
5 min read
Overview Resistant starch (RS) is a form of dietary starch that resists digestion in the small intestine and passes largely intact to the colon, where it is fermented by the resident microbiota. It is classified into five subtypes based on physical and chemical properties: RS1 (physically…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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