Nutrition For Gut Health

Nutrition for Gut Health
The human body is covered with microorganisms, Any changes in the gut that cause a decrease in
including the skin, the lungs and other internal beneficial microorganisms, increase in unwanted
organs and throughout the digestive tract. The microorganisms, or reduction in the diversity of
most populated area is our gut with over 100 trillion microorganisms can have poor effects on our health.
microorganisms found. These microorganisms, which These altered gut microbiotas are often found in those
mostly consist of bacteria, have genes just like our own with inflammatory bowel disease, skin diseases like
cells and this is called the microbiome. Due to the high dermatitis, Type 2 diabetes, obesity, cardiovascular
number of microorganisms in the gut, our bodies may disease, Parkinson’s disease and depression.
be made up more from bacteria than human genes.
The good news is we may be able to improve
The gut microbiome has many functions in our bodies gut health by eating foods that benefit good
from digesting nutrients, regulating how energy is microorganisms and support our immune system.
used, supporting our immune system, and sending Fiber, prebiotics, probiotics, polyphenols and Omega-3
hormonal cues to the brain that control our hunger fatty acids are five types of nutrients that can help to
and mood. Factors that affect the gut start as early keep our gut healthy.
as birth and continue to change due to environment,
stress and medications. UH Outpatient Nutrition Services | 61-2 8-4 194
© 2021 University Hospitals TAY0175
Fiber Fiber Foods
Fiber can be classified into two major types. Each kind has gut The recommended fiber intake for adult females and males
benefits. ranges between 22-38 grams (g) per day according to the
Insoluble Fiber Benefits: Dietary Guidelines for Americans.
• Absorbs water, which gives bulk to stool • Beans: Navy, kidney, black, white, pinto and lima
• Can help with constipation • Lentils
• Promotes regular bowel movements • Peas: Green, split, chickpeas, and black-eyed
Soluble Fiber Benefits: • Whole grains: Barley, oats, bulgur, brown rice, buckwheat,
• Not digested in the gut, but forms a gel instead popcorn, 100 percent whole wheat crackers, pasta and
• Slows blood glucose (sugar) and fat absorption unsweetened cereals
• It’s fermented by good bacteria that produce by-products • Vegetables: Avocado, corn, sweet potato, parsnips,
called short-chain fatty acids pumpkin, winter squash, leafy greens and carrots
• These byproducts reinforce the gut lining that protect against • Fruits: Raspberries, blackberries, passionfruit, kiwi, citrus,
harmful microorganisms plums, figs and dates
Prebiotics Prebiotic Foods

Prebiotics are specific fibers that are fermented by bacteria in Many cereals and fiber bars have prebiotic ingredients.
the gut which selectively increase beneficial bacteria. Look for the words “chicory root fiber,” “inulin” or
Prebiotic Benefits: “fructooligosaccharides” on labels to find out if the food
• Improves bone health by increasing calcium absorption contains prebiotics.
• Enhances signaling of bowel movement frequency • Artichokes
• Heightens feelings of hunger and satiety • Asparagus
• Increases water content and bulk of stools for softer, more • Bananas
frequent stools • Dandelion Greens
• Aides in weight loss • Garlic
• Reduce cholesterol and regulate blood glucose control • Maple Syrup
• Onions
Polyphenols • Leeks
Polyphenols are naturally occurring compounds found in plants. • Yacon Root
They are not readily digested in the stomach and go to the • Jicama Roots
colon to be metabolized by microorganisms.
Polyphenol Benefits:
Polyphenol Foods
• Antioxidant properties, which lessen risk for chronic disease Fruits, vegetables, legumes, nuts and teas are common sources.
• Reduces inflammation and possibly obesity Include a variety of these foods in the diet.
• May improve neurocognitive function and mood • Fruits: Apples, blueberries, cherries, grapes, pears and
• Some polyphenols are antimicrobial strawberries
• Vegetables: Broccoli, cauliflower, cabbage, tomatoes and
Omega-3 Fatty Acids Brussels sprouts
Omega-3 fatty acids are polyunsaturated fatty acids that reduce • Spices: Turmeric, ginger and red pepper flakes
inflammation throughout the body. • Beverages: Green tea, coffee and red wine
• May restore balance for a healthy microbiota • Other: Dark chocolate, soy products and peanuts
• Decreases inflammatory microorganisms
• Strengthens the integrity of the gut wall
Omega-3 Fatty Acids Foods
Fish is a major source of Omega-3s. We can also get small
Probiotics amounts from foods like nuts, seeds and oils.
Probiotics are live microorganisms that if consumed in adequate • Cold water fatty fish: Salmon, mackerel, sardines, tuna and
amounts have health benefits. herring
• Increase numbers of beneficial bacteria that prevent growth • Nuts and seeds: Walnuts, flaxseeds and chia seeds
of harmful ones • Oils: Canola and soybean
• May help with digestion of lactose and reduce symptoms of
intolerances
Probiotic Foods
• Boost the immune response Fermented foods are made with live cultures. Common strains
listed on labels are lactobacillus and bifdobacteria.
• Yogurt with live active cultures
• Pickles or pickled beets
• Kefir (fermented milk)
• Saurkraut
• Kombucha
• Sourdough
UH Outpatient Nutrition Services | 216-84-4 149 • Kimchi
• Miso

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Prebiotics Prebiotic Foods

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