Salt. Kids with CF lose more salt in their sweat than their peers, especially during hot weather and exercise. … Fat-soluble vitamins (vitamins A, D, E, and K). These vitamins are important for immune function, growth, and healing. … Calcium. … Calories.

What do cystic fibrosis patients need nutritionally and why?

If you have CF, you need to eat a balanced diet consisting of fat, protein, dairy, fruits, and vegetables. You’ll need to increase the amount of each in your diet to ensure that your body is able to absorb enough of these nutrients.

Which vitamins are most likely to be deficient in a child with cystic fibrosis?

Patients with cystic fibrosis (CF) are at risk of developing deficiencies of fat-soluble vitamins (A, D, E, and K) because of pancreatic insufficiency, hepatobiliary disease, or both (1, 2).

What foods are good for cystic fibrosis?

• 1. Fruits. Share on Pinterest Eating fruit may reduce intestinal blockages in people with CF. …
• Vegetables. …
• Eggs. …
• Fish and seafood. …
• Nuts. …
• Dairy products. …
• Olive oil. …
• Dark chocolate.

What foods should be avoided with cystic fibrosis?

Dietary Restrictions As with any diet, eating foods with empty calories (such as sugar-laden drinks) is not recommended on the cystic fibrosis diet. People with CF need to eat a balanced diet with a variety of bright-colored fruits and vegetables, whole grains, whole-fat dairy products, and healthy protein.

What vitamins do CF patients need?

Most people with cystic fibrosis (CF) need supplements of the fat-soluble vitamins A, D, E and K. If you are pancreatic sufficient and do not take enzymes you may not need to take vitamin supplements. Your dietitian or doctor will be able to advise you.

Why do people with cystic fibrosis have trouble absorbing nutrients?

In people with CF, malabsorption can be caused in two ways: Thick mucus stops the pancreas from sending enzymes into the intestines, which are needed for the body to absorb nutrients in food. A defect in the intestines prevents nutrients from passing into the bloodstream.

What does salt do for cystic fibrosis?

With cystic fibrosis, salt cannot move as it normally does through the cells that line the sweat duct. Since sodium and chloride travel together as one molecule, the sodium/salt ends up excreted in the sweat. This makes for very salty sweat, though it is not thick and sticky like other CF secretions.

Why is protein important for cystic fibrosis?

Protein digestion capacity is severely impaired in CF, but high protein intake is needed and essential amino acid mixtures appear highly anabolic even in those with severe muscle loss.

What foods have vitamin b9?

• Dark green leafy vegetables (turnip greens, spinach, romaine lettuce, asparagus, Brussels sprouts, broccoli)
• Beans.
• Peanuts.
• Sunflower seeds.
• Fresh fruits, fruit juices.
• Whole grains.
• Liver.
• Seafood.

Article first time published on

Why do CF patients need fat-soluble vitamins?

People with cystic fibrosis have trouble absorbing fats, which means they have trouble absorbing vitamins that need fat to be absorbed — A, D, E, and K. These fat-soluble vitamins are critical to normal growth and good nutrition.

What is the most important supplemental enzyme for CF patients?

Fat is the most difficult for the body to digest, so lipase is the enzyme that must be dosed most accurately. Pancreatic enzymes should be taken with all meals, snacks, and drinks that contain fat.

What enzymes are used to treat cystic fibrosis?

How do pancreatic enzymes help cystic fibrosis? Pancreatic enzyme replacements break down complex carbohydrates, fats, and proteins. The side of the enzyme bottle will list the amount of lipase (to digest fat), protease (to digest protein), and amylase (to digest starch).

What are the basic goals of the treatment of cystic fibrosis Why is vigorous nutrition therapy a primary part of treatment?

The primary goals of CF treatment include the following: Maintaining lung function as near to normal as possible by controlling respiratory infection and clearing airways of mucus. Administering nutritional therapy (ie, enzyme supplements, multivitamin and mineral supplements) to maintain adequate growth.

What is malabsorption of food?

Malabsorption is difficulty in the digestion or absorption of nutrients from food. Malabsorption can affect growth and development, or it can lead to specific illnesses. Some of the causes of malabsorption include: Cystic fibrosis (the number one cause in the United States) Chronic pancreatitis.

What vitamin deficiency is common in people with CF?

Vitamin D deficiency is common in individuals with cystic fibrosis due to impaired absorption of fat-soluble vitamins, decreased sunlight exposure, and suboptimal intake of vitamin D-containing foods and/or supplements.

What is vitamin A deficiency?

Vitamin A deficiency can lead to dry eyes, blindness or dying corneas, also known as Bitot’s spots. One of the first signs of deficiency is often an inability to produce tears.

What protein is affected in cystic fibrosis?

The CFTR protein The cystic fibrosis transmembrane conductance regulator (CFTR) protein is responsible for regulating the proper flow of chloride and sodium (a component of salt) in and out of the cell membranes in the lungs and other organs. is made up of 1,480 amino acids.

How does cystic fibrosis affect nutrition?

How Does Cystic Fibrosis Affect Nutrition? The sticky mucus from cystic fibrosis can block normal absorption of key nutrients and fat in the intestines, causing: poor digestion. slow growth.

What amino acid is lost in cystic fibrosis?

F508del-CFTR, or delta-F508 (ΔF508), is the most common CFTR mutation leading to cystic fibrosis [4] F508del-CFTR is a class II mutation. A deletion of three nucleotides in the gene leads to the deletion of the phenylalanine residue at position 508 of the polypeptide chain.

Why is CF sweat salty?

As CF is caused by a faulty gene that controls the movement of chloride and water into and out of cells, people with CF often sweat more than people without the condition, and this sweat contains high levels of chloride, which can crystallise into salt visibly on the skin.

Why do CF patients have greasy stools?

In CF, the mucus is often thick and sticky. that blocks ducts in the pancreas and prevents enzymes from reaching the small intestine to digest food. Undigested food in the intestines can cause pain, cramping, gas and either loose, greasy, floating stools or constipation. and blockages.

Why is sweat chloride high in cystic fibrosis?

In cystic fibrosis, the CFTR chloride channel is defective, and does not allow chloride to be reabsorbed into sweat duct cells. Consequently, more sodium stays in the duct, and more chloride remains in the sweat. The concentration of chloride in sweat is therefore elevated in individuals with cystic fibrosis.

Do bananas have folate?

Bananas They’re especially high in folate and can easily help you meet your daily needs when paired with a few other folate-rich foods. A medium banana can supply 23.6 mcg of folate, or 6% of the DV ( 36 ). Bananas are high in other nutrients as well, including potassium, vitamin B6, and manganese ( 36 ).

Is Kale high in folate?

Leafy greens Kale, spinach, Romaine lettuce and collard greens all have high levels of folate. Kale leads the pack, with an astonishing 263 micrograms of the vitamin in just one cup of the greens.

Does avocado have folic acid?

Just one more reason to love avocados is their significant amount of folate per cup – around 90 mcg. In addition, avocados are a great source of heart-healthy fats, vitamin K and dietary fiber.

Why do CF patients need vitamin K?

In people with cystic fibrosis, the pancreas often does not produce enough enzymes to allow the body to absorb digested food properly and this may also be linked to deficiencies of fat-soluble vitamins like vitamin K. Vitamin K is needed for adequate blood clotting, bone formation and some metabolic functions.

What are vitamin C foods and fruits?

• citrus fruit, such as oranges and orange juice.
• peppers.
• strawberries.
• blackcurrants.
• broccoli.
• brussels sprouts.
• potatoes.

Is cystic fibrosis caused by vitamin E deficiency?

Background: People with cystic fibrosis are at an increased risk of fat-soluble vitamin deficiency including vitamin E. Vitamin E deficiency can cause a host of conditions such as haemolytic anaemia, cerebellar ataxia and cognitive difficulties.

What enzyme deficiency causes CF?

Summary: Mucus that excessively accumulates in the lungs of patients with cystic fibrosis (CF) may be linked to the deficiency of an enzyme called arylsulfatase B. The deficiency may in turn be linked to the known genetic mutation in CF — a defect in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

Do all CF patients need enzymes?

Just as the lungs produce thick, sticky mucus, the pancreas also makes thick mucus that blocks the release of enzymes needed for digestion. Most people with cystic fibrosis need to take enzymes before they eat.