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Diet for diverticulosis and sigmoid diverticulitis

 Diet for diverticulosis and sigmoid diverticulitis

A special diet for diverticulosis and sigmoid diverticulitis prevents diverticulitis and relieves the pain associated with this colon infection.

The main points of this diet are:

Gradually increase fiber intake;

reduce consumption of refined products;

Do you have good hydration

avoid refined products;

Follow the refeeding protocol for diverticulitis.

If you have diverticulosis or diverticulitis, each dietary recommendation is specific. So be sure to consult a dietitian who can give you advice tailored to your situation and tolerance.

Diverticulosis and Sigmoid Diverticulitis: Benefits of This Diet

The diet for diverticulosis and diverticulitis has many benefits, it allows:

Avoid diverticulitis in case of diverticulosis.

Prevent inflammation.

In case of diverticulitis, remove the inflammation.

gradually reintroduce a varied and varied diet;

reach and maintain a healthy weight;

maintain optimal nutritional intake to avoid deficiency;

Regulation of intestinal transit and pressure in the intestine.

Diverticulosis: nutritional recommendations

In the case of diverticulosis, which is also called sigmoid diverticulosis (colic), the diet should be varied and contain fiber in the right proportions, in order to prevent the inflammation associated with diverticulitis.

In the case of diverticulitis, the diet is completely different and requires a careful 5-step protocol in order to stop the pain and gradually return to a normal diet.

Gradually eat fiber

The lack of dietary fiber affects the intestinal transit and increases pressure on the colon walls, which affects the balance of the intestinal flora. These two factors contribute to the formation of diverticulosis and thus diverticulosis.

Increased consumption of fibers can stabilize the situation, although it has not yet been proven that fibers can lead to the disappearance of diverticula that do already form.

Dietary fiber, in addition to facilitating the passage of stool, improves the balance of the intestinal microflora. Warning: Do not increase your fiber intake too quickly. It is recommended that you add no more than 5g of extra fiber per week.

Among the best sources of fiber, the following are recommended for treating sigmoid diverticulosis:


Fiber-enriched cereal.


red fruits;


Pear and apple with peel.

Dates and figs


Potato with peel



Green Peas;

Whole starches

wholemeal bread;


Colon diverticula: our other recommendations

Stay hydrated

A high-fiber diet without adequate water intake cannot be effective. In fact, fiber exerts its effect by absorbing water. Consuming a lot of fiber but not enough water can make the situation worse. It is recommended to drink 1.5 to 2 liters of water per day. This contribution should be increased systematically in the event of physical activity or extreme heat.

Attention, only water is necessary. In no way can fruit juices, coffee, tea, milk drinks and soft drinks replace water.

Take probiotics

Taking probiotics (L. casei) at the same time as anti-inflammatories can reduce the frequency of diverticular disease symptoms. Some types of probiotics have been linked to an increased rate of diverticulitis remission. According to preliminary studies, it appears that changes in the intestinal flora can cause minor inflammation that is detrimental to normal bowel function.

Some studies then reveal that probiotics can be effective in treating this problem. In prevention, we can prefer foods rich in probiotics (yogurt, milk, cheese and some juices) or better get probiotic supplements containing mainly L. casei.

Do good physical activity and chewing

A sedentary lifestyle affects digestion. Conversely, in addition to a good diet, physical activity can prevent the formation of sigmoid diverticulum.

Proper chewing helps digestion and reduces gas. It is recommended to chew it long enough to turn the food into a mush before swallowing it. Review your elimination habits The desire to defecate after a meal, among other things, thanks to the reflex mechanism that causes waves of contractions in the intestines.

In people with constipation or diverticulosis, this reflex is very weak. So he must be re-educated. For example, after breakfast, go to the bathroom and stay there for a few minutes, even if you don't want to. Also, respond as quickly as possible to his need to have a bowel movement when he appears.

Sigmoid diverticulitis: different diets in case of diverticulosis

The anti-diverticulitis diet is followed in 5 consecutive phases.

A strict liquid diet, which is the first step, is usually followed in the hospital.

following a strict liquid diet or receiving parenteral nutrition (intravenous nutrition);

Follow a semi-liquid diet.

a diet restricted in fiber and residues;

a diet rich in soluble fiber and moderate in insoluble fiber;

Follow a diet for diverticulosis that is rich in fiber of all kinds.

Strict liquid diet

In the acute stage of diverticulitis, the hospitalized patient will be prescribed a strict liquid diet or parenteral nutrition (intravenous nutrition) in order to eliminate any increase in pressure in the large intestine.

Semi-liquid diet

When the patient's condition improves, a short-term semi-liquid diet is recommended.

The diet is restricted in fiber and waste

When the acute symptoms of diverticulitis disappear, it is necessary to gradually start eating dietary fiber again so that the intestines can function again.

The diet prescribed at this time is restricted in fiber and leftovers (10g to 20g of fiber per day). It should be followed for 2 to 3 weeks.

A diet rich in soluble fiber and moderate in insoluble fiber

To prevent another attack of diverticulitis, it is necessary to reintroduce a large amount of fiber into the diet. Many people get upset about this complicated period associated with the choices that need to be made. They also fear suffering another bout of diverticulitis. The result: They are satisfied with continuing their low-fiber, low-residue diet.

Re-introduction of fiber into the diet should be done slowly, over a period of about one month.

After a bout of diverticulitis, the likelihood of an excess of insoluble fiber is generally poor. Therefore, it is necessary to give preference to foods rich in soluble fiber initially.

It's important to get 6 to 8 grams of soluble fiber daily. Soluble fiber creates a gelatinous form in the intestines and promotes the balance of the intestinal flora. They even reduce the recurrence of diverticulitis. Note that it is also less laxative than insoluble fiber.

Pectin, gum and gum are soluble fibers. Psyllium is one of the few plants that contain primarily soluble fiber. It also contains oats and barley.

This type of fiber helps prevent constipation by absorbing water and forming a gel in the intestines. It also helps in controlling blood sugar and lowering cholesterol levels.

Limited reintroduction of insoluble fiber

Cellulose, hemicellulose and lignin are insoluble fibers. It prevents constipation by absorbing a lot of water, which stimulates intestinal contractions.

At this point, it is best to reduce the consumption of the following foods, which contain a good amount of insoluble fiber:

whole wheat ;


Brown bread;

cereal bread

Whole wheat pasta


Grain mixtures

brown rice;




Cucumber ;


Grape ;


pineapple ;

Red fruits and berries.

Linum seed.



Other recommended foods:


omega 3;

dairy products (depending on tolerance);

Home cooking.

What foods should I avoid with diverticulosis?

In the case of diverticulosis and diverticulitis, the diet must be carefully adapted to individual tolerance to avoid pain and diverticulosis.

Refined produce, pomegranate vegetables, fats, and some fibrous meats can cause inflammation and painful attacks in some people.

The following recommendations should be adapted to your condition and in agreement with your dietitian.

duplicate products

Refined grain products are devoid of fiber. Therefore, it does not facilitate the emptying of stool. This can create strong pressure in the large intestine leading to the formation of diverticula at the level of the inner wall, particularly in places where blood vessels circulate.

In the case of sigmoid diverticulosis, it is recommended to avoid the following refined foods:

white bread;

instant rice

Classic breakfast cereals

rice noodles



Pancakes, pies and cakes.

French fries and mashed potato chips.

Pizza dough ;

classic pasta




In the supermarket you can find most of these products in the full version. It is then necessary to choose those with a fiber content of more than 2 g per serving.

Apple plants that get stuck in sigmoid diverticulum

It has long been believed that oilseeds (nuts) as well as seeds of some fruits (kiwis, raspberries, strawberries, and tomatoes) can lodge in diverticula and cause inflammation. This hypothesis is now rejected. There will be no danger in eating this type of food.

Except that, in some people, the small pill can irritate the intestines, but without causing diverticulitis. Rather, it is a matter of individual tolerance.

In a study published in 2008, researchers found no association between consumption of nuts, corn kernels, and popcorn and the incidence of diverticular bleeding, nor between corn and the incidence of diverticulitis.

On the other hand, if diverticulitis is diagnosed in the acute stage, these foods should be left aside until calm.

Fat and meat

Excessive consumption of fats and meat is associated with an increased risk of diverticular disease. It also has the effect of slowing down intestinal transit.

Therefore, it is recommended to reduce the consumption of butter, margarine, vegetable oil and dishes in sauce.

It is recommended to avoid fatty meats, chicken skin, rich sauces, fried foods and cheeses that are high in fat.

Other not recommended foods:

Trans and saturated fats.

ready meals;

sugar ;

Fast food ;

industrial and processed foods;



Sedentary lifestyle.

The No Leftovers Diet: The No Leftovers Diet Planner

favorite foods

Caution: Remove seeds, membranes and skin

Canned food: pears, peaches, tangerines and pineapples

Plain: banana (1/2), apricot, lychee, avocado, apple, mango, grapefruit, tangerine, orange, cherry, soft fruit compote

To taste: fruit juice without pulp, except for peaches

Remove seeds, membranes and skin

Cooked vegetables: asparagus, carrots, beets, green or yellow beans, mushrooms, squash, zucchini, parsnips, potatoes, seedless or peeled tomatoes.

Raw: mushrooms, soft lettuce, dandelion, tomatoes, sweet peppers, vegetable juice

Made with refined white flour, without nuts or seeds

White bread, rusk, white rice, white pasta, pita bread, couscous, rusk, toast, pancake, waffle, white flour

Refined breakfast cereals (special type K)

According to lactose intolerance:

Milk, yogurt, cream, cream, milk drinks, cheese, soy drinks, rice drinks, soy yogurt.

lean, lean, or lean meat

Poultry, fish, seafood, eggs, tofu

Sweets made from white flour without nuts, seeds, fruits, etc.

Broths, soups, vegetable cream, prepared from favorite foods

Herbs and spices

All sugars and fats in moderation

Tea, coffee beans, herbal tea (non-laxative), chocolate (no nuts or seeds)

Cornstarch, gelatin, baking powder and baking soda

foods to reduce

All dried or candied fruits

Berries and red fruits: raspberries, cranberries, strawberries, cranberries, cranberries, etc.

Apple, pear with skin, melon, loquat, persimmon, peaches, peaches, nectarines, rhubarb, kiwi, grapes

Broccoli, cauliflower, Brussels sprouts, turnip, corn, celery, celery, cabbage, sauerkraut, cucumber, lettuce, sweet potato, peas, radish, spinach, rattabag, alfalfa, onion

Made with whole wheat flour or cereals containing nuts, seeds or dried fruit

whole wheat bread, multigrain bread, brown or wild rice, whole wheat pasta, barley, millet, quinoa, buckwheat, oats, spelt, kamut, whole corn, whole wheat or sesame seed biscuits, sesame seed and poppy seed bread, Buckwheat or whole wheat pancakes, bulgur, whole wheat flour and wheat bran

High-fiber cereals: All-bran, muesli, granola, oatmeal, oat bran cereal, etc.

Yogurt with fruits or nuts

Fatty and gelatinous meats

Legumes: peas, lentils, and beans


Nuts and seeds

Peanut butter, mashed oilseeds

Check tolerance of coffee, alcohol and spices

Jam, jelly, pickles, coconut, popcorn

Raisin Bran Cake

Foods that are high in soluble fiber

Re-introduction of fiber into the diet should be done slowly, over a period of about one month. For the duration of this step, be sure to add a new food from each group to your daily diet each day in order to reach your intake of 6g to 8g of soluble fiber.

Food sources of soluble fiber

Bread and alternatives (one to two options per day)


Oat bran bread (without whole wheat)

cooked barley

Cooked quinoa

Buckwheat Crepe

rye bread

buckwheat bread

Vegetables (one option per day)

cooked turnip

cooked asparagus

cooked cauliflower

Cooked Brussels sprouts

Cooked green beans

cooked onions

sweet potato bread


35 grams

1 slice

250 ml or 1 cup

250 ml or 1 cup

1 pancake

1 slice

1 slice

Half a cup

Half a cup

Half a cup

Half a cup

Half a cup

Half a cup

1/3 cup

cooked artichoke

Fruit (one choice per day)








Soluble fiber supplement: once a day (very important)

Psyllium (Metamucil or other)

Half a cup

Dried: 7 fresh halves: 4 whole with peel

½ small

1 small

½ medium

1 medium with crust

1 small with skin

1 small

1 c. With 1 cup to 1 1/2 cups water

List of diverticulitis and diverticulitis

The following lists, developed by, meet all of the above recommendations.

Special menu sigmoid diverticulum





Quick flagolete soup, grilled asparagus, 2 slices of rye bread and banana


Carrot and cheese spread


Tomato and green bean salad, slice of bread (rye), fried fish fillets, barley "risotto", mushrooms with shallots and cream caramel.

Diverticulitis menu: special diet without residue

This special diverticulosis-free diet aims to eliminate the inflammation and once again allow the person to have a varied and complete diet.


“Stracciatella”, tofu with ginger in the oven, pita bread and cream caramel


Apple and milk


Chicken Parmesan, baby pasta, green beans with butter, slice of white bread and orange

Daily practical advice

replace refined products with brown rice, pasta and whole wheat bread;

eat more fruits that contain fiber: fresh apples and pears with the peel, raspberries, blackberries, dried fruits (prunes, apricots, dates);

Choose vegetables rich in fiber more often: artichokes, peas, beets, carrots, broccoli, cabbage, Brussels sprouts, corn, turnip, potatoes with the skin;

Eat more legumes, excellent sources of dietary fiber: white or red beans, lentils, kidney beans, chickpeas.

Cook delicious chili made with legumes and vegetables. This dish contains much more fiber than meat meal.

As an afternoon snack, choose a high-fiber cereal or a high-fiber cracker rather than a store-bought candy or cracker;

Add wheat or oat bran to yogurt, compotes and soups.

Going Ahead: Diverticulosis and Diet, How Do You Gradually Increase Your Fiber Intake?

For the first week, add one of the following foods to the menu each day. Each one provides 5 grams of dietary fiber:

1 fresh fruit and ½ cup of vegetables;

1 serving of high-fiber cereal (the Nutrition Facts table should mention 5g or 6g of fiber per serving);

1/3 cup of raw oat bran (cook or add as is to yogurt, compote or other);

2 tbsp. Wheat Bran;

2 tbsp. flaxseed;

1/3 cup dried peaches

2 slices of whole-wheat bread (if there aren't some on your list);

½ cup of legumes

A cup of oil seeds.

1 cup of whole pasta;

1 cup cooked brown rice

1 cup cooked quinoa

1 cake of whole wheat flour.

In the second week, eat 2 of the above foods every day.

In the third week, add another of the previous foods, up to 3 servings of high-fiber foods per day. Thus, you must achieve the goal.


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