As a food scientist, my goal is to create foods that are nutritious and taste great. There are a lot of foods that are healthy, but aren’t tasty. Resistant starch is a really good example of this. I absolutely love it, I have been eating it since I was a child, but I don’t like the idea of eating it. Resistant starch is a type of carbohydrate that is resistant to digestion, and becomes a part of our food after it has been cooked. According to the USDA, resistant starch is found in foods like: **Wheat** **Rice** **Rice noodles** **Oats** **Rice crackers** **Popcorn** **Bread**

I was talking with a friend recently about a food she recently tried that has been on her radar lately. It was a food that she has heard about for a while and she had been curious about, but she was a little disappointed by the results. It was a new product called “Resistant starch”, and after doing some research, she decided to give it a try.

Resistant starch (RS) is a form of starch that has the ability to increase your body’s ability to store and stabilize weight. It is present in many healthy foods such as rice, bread, pasta, legumes, and beans, and helps your body maintain a healthy weight. This blog will discuss the benefits of RS and give you tips on how you can add it to your diet. As it has been shown to have many health benefits, it is also a good idea to start incorporating RS as a staple food in your diet, as it can also be used to help in the prevention of certain diseases (such as diabetes).

Resistant starch is a kind of starch that is not fully digested but is turned into short-chain fatty acids by gut bacteria.

This may result in a variety of health advantages. Choose entire, unprocessed carbohydrate sources such grains in their entirety, fruits, vegetables, and legumes/peas to get the most out of sustainable carbohydrates.

What keeps the force in check?

Amylose and amylopectin are the two kinds of polysaccharides found in all starches. (See All About Carbohydrates for additional information on polysaccharides.)

Amylopectin is heavily branched, allowing for more surface area to be digested. It is rapidly broken down, resulting in a higher rise in blood sugar (glucose) and, as a result, a substantial spike in insulin levels.

Because amylose is a straight chain, the surface area available for digestion is restricted. This is a frequent occurrence among MS patients. Foods with a high amylose content take longer to digest. Blood sugar and insulin surges are less likely to affect them.

The name “resistant starch” comes from the fact that it resists digestion.

Although enzymes in the small intestine break down most starches into sugars that are subsequently taken into the bloodstream, humans cannot digest all kinds of starches entirely.

Resistant starch (RS) is a kind of starch that is not completely absorbed in the small intestine. MS, on the other hand, reaches the colon and is fermented by intestinal bacteria.

Although SR is comparable to dietary fiber (see All about dietary fiber), it is seldom listed on food labels.

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SCFA and RS are two organizations that work together.

SR, despite the fact that we don’t consume it, plays a vital function in our diet.

Short-chain fatty acids (SCFAs) such as acetate, butyrate, and propionate are produced and expelled with with gas when SR is fermented in the large intestine. SCFAs may either be taken into the body or stay in the colon and be utilized for energy production by colon bacteria.

There are signs that the GATS will be beneficial to us. Consider the following scenario:

  • increase the flow of blood in the big intestine
  • nutrients to circulate more freely
  • Inhibition of harmful bacterial growth
  • aid with mineral absorption
  • Aids in the prevention of toxic/carcinogenic substances being absorbed.

The quantity and kind of carbohydrates we consume determine the level of SCFAs in our colon. We have a lot of GATS if we consume a lot of SR.

Absorption is influenced by the pace of digestion.

SR may also assist us in maintaining our weight and health.

Scientists have discovered that less processed foods contain less calories than refined foods, as we reported in our assessment of studies on processed and whole foods. To put it another way, although whole foods and processed meals may have the same amount of calories, whole foods supply us with less energy calories.

We only receive approximately 2 calories of energy per gram of RS since it is not completely digested (compared to 4 calories per gram from other starches). This implies that 100 grams of resistant starch only provides 200 calories, while 100 grams of other starches provide 400 calories. Carbohydrate-rich foods make you feel full without filling you up.

The contemporary diet’s modification/processing of grains and starchy vegetables lowers the amount of DM we consume (think granola bars instead of oats, burgers instead of beans, potato chips instead of boiled potatoes). Wheat bran, psyllium, and methylcellulose (Citrucel), for example, do not provide the same advantages.

So, in order to get the most out of MS, we must consume it as a complete meal.

With highly processed diets, most industrialized nations (including Europe, the United States, New Zealand, and Australia) eat approximately 3-9 grams of DM per day. The diet in poor nations is generally centered on whole plant foods, with DM intake ranging from 30 to 40 grams per day.

MS’s potential advantages

Lipids in the blood are improving.

SR may aid in lowering blood cholesterol and fat levels, as well as reducing the formation of new fat cells (the latter has only been demonstrated in rats). SR may also boost the amount of fat we utilize for energy since SCFAs can impede the digestion of carbs in the liver.

Feelings of satiety have improved.

SR may assist us in feeling satisfied. SCFAs may trigger the release of hormones that suppress hunger (leptin, peptide YY, glucagon-like peptides). It may take up to a year for the gut hormones to adapt when someone begins eating more MS.

MS increases hunger by slowing the release of nutrients into the circulation.

Insulin sensitivity has improved.

Because RS does not break down into blood sugar, our systems do not produce a lot of insulin in reaction.

By changing the transport of fatty acids between muscle and fat cells, SR may also enhance insulin sensitivity. Ghrelin rises with DM consumption and improves insulin sensitivity, according to research (which is counterintuitive, since ghrelin stimulates appetite). SR may potentially enhance insulin sensitivity by lowering blood cholesterol levels (see above).

Enhancing digestion

Irritable bowel syndrome, diverticulitis, constipation, and ulcerative colitis may all be helped with RS. The SR may increase the volume and water in the stool, resulting in more regular bowel motions.

SCFAs may aid in the prevention of aberrant bacterial cells in the colon and enhance mineral absorption (especially calcium).

Body composition improvement

Because RS has less calories per gram than other starches, it may assist us in eating less. In addition, eating more MS may cause the body to become hotter.

We provide moisture.

MS may assist with rehydration in individuals who are being treated for cholera and/or diarrhea (because it can normalize bowel function).

Immunity improves

The generation of immune cells and inflammatory chemicals in the stomach may be affected by DM consumption.

What is the location of the MS?

RS may be present in starchy plant foods such.

  • Beans/pulses
  • Fruits and vegetables that are high in starch (e.g. bananas)
  • whole grains
  • Certain foods that have been prepared and then cooled (e.g. potatoes and rice).

Except for SR type 3, the longer and hotter the starch is cooked, the less SR it retains.


Resistant starch comes in a variety of forms.
Type 1: Physically impossible to get Pellets with a long life span (Type 2)
Legumes, whole and partially milled grains, and seeds cannot be broken down by digestive enzymes. Internally resistant to digestion, with a high amylose content. Fruit, potatoes, maize, and certain legumes are included inside. A word of caution: the more raw or undercooked the food, the more SR it contains, since heat gelatinizes the starch, making it more digestible. This regulation does not apply to type 3 starch.
Dismantled (Type 3) Chemically altered (type 4)
Cooking and cooling starchy meals causes the starch to alter structure and become more resistant to digestion. is found in meals that have been cooked or cooled, such as potatoes, bread, rice, and cereal. SR is isolated (mostly from maize) and used in processed foods by companies (e.g. bread, crackers, etc.). It’s not natural RS; it’s mostly created via chemical modification and may be found in synthetic and commercial RS goods like Hi-resistant Maize’s starch.

What is the recommended amount of DM to consume?

SR is safe and well tolerated at doses up to 40-45 grams per day, according to research. Large quantities of food may overwhelm our gut bacteria’s enzymatic capability, causing diarrhea and bloating.

The way we respond to SR is determined on the kind. When taking RS3, you may suffer greater adverse effects (compared to RS1, RS2, RS4). Over time, our capacity to ferment SR may improve, enabling us to adapt to greater SR intake.

When SR is tolerated the best:

  • It takes the shape of a solid (rather than a liquid) meal.
  • It’s served with a mixed dinner (not by itself).
  • Consumption progressively rises over time (not immediately much)

Here’s an estimate of how much SR is in food. A word of caution: these are average figures that may differ.


DM grams per 100 g of feed

Conclusions and suggestions

Cooked, highly refined, and processed meals rich in carbs provide us with more energy (calories). We get readily digested starch if we let the machines and ovens do everything for us. Not recommended for blood sugar management, weight reduction, or intestinal health.

When plants consume legumes, whole grains, and unprocessed starchy vegetables, they flourish and remain slim. It’s conceivable that SR had a role in making this feasible.

A daily dose of 6 to 12 grams of SR is beneficial, but a daily dose of 20 grams would be optimal. If you consume a lot of plant-based meals, this is simple to do.

More over 40 grams per day may create digestive issues, particularly if the MS is from a factory-made MS product. In any event, processed MS (i.e., an industrially produced MS product) is unlikely to provide the same benefits as whole foods.


To view the sources of information used in this article, go here.

GH Anderson et al. Glycemic response, subjective hunger, and short-term meal consumption in young men are related to in vitro assessment of maize starch digestibility by Englyst. 91:932-939. In: Am J Clin Nutr. 2010;91:932-939.

AC Nilsson, et al. Incorporating non-digestible carbs into a healthy person’s evening meal improves glucose tolerance, lowers inflammatory markers, and enhances satiety following a standardized breakfast. 138:732-739. J Nutr 2008;138:732-739.

KL Johnston, et al. In those with metabolic syndrome, resistant starch increases insulin sensitivity. Diabetologia 2010;27(3):391-397.

Acute consumption of resistant starch decreases food intake in healthy individuals, according to Bodinham CL, et al. 103:917-922 in Br J Nutr.

Grabitske HA & Slavin JL. Gastrointestinal effects of poorly digestible carbohydrates. Crit Rev Food Sci Nutr 2009;49:327-360.

Robertson, MD, and colleagues Resistant starch in the diet has an insulin-sensitizing impact on skeletal muscle and adipose tissue metabolism. 559-567 in Am J Clin Nutr, 2005.

Consumption of resistant starch increases lipid oxidation, according to Higgins JA, et al. 2004;1:8-19 in Nutr Metab (Lond).

Interactions between colon acetate and propionate in humans, Wolever TM, Spadafora P, Eshuis H. Am J Clin Nutr, vol. 53, no. 6, pp. 681-687, 1991.

Resistant starch: metabolic effects and possible health advantages, Higgins JA. 87:761-768 in J AOAC Int. 2004.

K. Landin et al. In healthy males, guar gum increases insulin sensitivity, blood lipids, blood pressure, and fibrinolysis. Am J Clin Nutr, vol. 56, no. 10, pp. 1061-1065, 1992.

Cereal fiber increases whole-body insulin sensitivity in overweight and obese women, according to Weickert MO, et al. Diabetes Care, vol. 29, no. 7, pp. 775-780, 2006.

Maki KC & Raines TM. Dietary fiber, insulin sensitivity and risk of developing type 2 diabetes. Scan’s Pulse 2011;30:6-9.

The health advantages of resistant starch, according to Nugent AP. Nutrition Bulletin, British Nutrition Foundation, 2005;30:27-54.

The American Dietetic Association’s stance on the impact of dietary fiber on health. 2008;108:1716-1731; J Am Diet Assoc 2008;108:1716-1731; J Am Diet Assoc 2008;108:1716-17

Resistant starch content of a variety of starchy foods on the Swedish market, Elmstahl HL. Eur J Clin Nutr, vol. 56, no. 5, 2002, pp. 500-505.

Consumption of resistant starch in the United States, Murphy MM, et al. 2008;108:67-78 in J Am Diet Assoc.

Rodale, 2010. Feather D. The Skinny Carbs Diet.

Resistant high amylose corn starch improves insulin sensitivity in overweight and obese individuals, according to Maki KC, et al. 717–723. J Nutr 2012;142:717–723.

Efficacy of increased resistant starch consumption in type 2 diabetes in people, Bodinham CL, et al. Endocr Connect, vol. 3, no. 3, pp. 75-84, 2014.

JA Higgins and IL Brown. A potential diet for the prevention and treatment of inflammatory bowel disease and colon cancer is resistant starch. 190-194 in Current Opinion in Gastroenterology, 2013.

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Starch is one of the most common forms of carbohydrate in the human diet. It is found in fruits, vegetables, pasta, bread, potatoes and rice, and is also found in the large quantities in many grains.. Read more about resistant starch keto and let us know what you think.

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