Gut Feeling: The Microbiome and Fiber

What is your gut feeling about gut health?

The media is bloated with misinformation and spewing advice on how to optimize digestive health. This can be overwhelming and leave you feeling queasy just trying to understand it all. 

I’ve sifted through the research and have gotten to “the bottom” of it.  Continue reading to learn how to maintain and improve the health of your intestines.

In The Gut of It All

At the core of digestive health are the gut bacteria.  They are known as the human microbiome.  The microbiome consists of many types of bugs: bacteria, viruses and other organisms.  I’ll call them microbes.  There are trillions of them that live in the human body, especially the large intestine.  Some microbes are anti-inflammatory (beneficial) and some are inflammatory (not always beneficial).  However, we need a balance of both and a large diversity of microbes to promote our health.

These microbes do many things.  They help us maximize the energy we get from the foods we eat.  This means they can help us gain weight, lose weight or store energy as fat.  They influence our mood by interacting with our nervous system and they also affect our immune system.  From infancy to old age, microbes are critical to our well-being.

An imbalanced microbiome may be one in which there are a greater number of inflammatory or “bad” gut microbes compared to anti-inflammatory or “good” gut microbes.  It can change our mood, our ability to fight off illness, or control our weight.  An imbalanced microbiome may also contribute to diseases such as Type 2 diabetes, depression, cancer, arthritis, obesity and autism.  Therefore, it is very important to nourish ourselves, and indirectly our microbiomes, to optimize our health.

Feeding The Gut Machine

Genetics, diet, medication, obesity and health status all influence the microbiome.  Nutritionally, foods high in fiber, soluble and insoluble, help boost our microbial balance.  Examples of fiber-rich foods include beans, rice, wheat bran, celery, broccoli, apples, and oatmeal.  In addition to helping feed our microbes and promote a balance between the “good” and “bad” ones, fiber has added benefits.  Helping lower cholesterol, improving blood sugar, and providing antioxidant protection are some of the many benefits of fiber.

Not all of us have the time to consciously feed our microbial friends on a regular basis.  When we don’t get enough fiber in our diets, it is very tempting to wander to the supplement aisles for supplements promising the glories of gut health in one quick dose.  When deciding between products, remember that probiotics are the health-promoting microbes while prebiotics are the food for those microbes.  In other words, prebiotics feed probiotics.  Currently, research has shown that once ingested, the probiotics don’t linger for very long once you stop taking the supplement.  So, in theory, consuming more prebiotics may allow the probiotics to stick around longer.

Take Gut Action

Whether you have a six-pack, a 1-pack, some fluff or some firmness, embrace that gut!  The adequate intake for men is 38 g of fiber per day and for women is 25 g of fiber per day. One medium apple with skin already gives you about 5g of fiber, and it’s a great snack.  Remember, your gut is home to all of those wonderful microbes!

About The Author

Monika Dyrcz discovered her passion for helping others transition to a healthier lifestyle through her years of work as a personal trainer. This career has inspired her to create a blog that references the science behind nutrition while making the science easier to understand.

When it comes to foods, diets, and nutrition it is her hope that the connotation of FML can be shifted from that of exasperation to that of opportunity and that this blog can serve as an objective source of nutrition information.

Her credentials include the following: NASM CPT, FNS, NPC Figure competitor, research volunteer at San Diego State University and enrolled in the M.S. in Nutrition for Wellness program at Bastyr University.

Check out other articles on her site: FML: An Evidence Based Nutrition Blog.

 


REFERENCES

Cummings JH, Stephen AM. Carbohydrate terminology and classification. 2007;61:5-18. doi:10.1038/sj.ejcn.1602936.

Fardet A, Fardet A. New hypotheses for the health-protective mechanisms of whole-grain cereals : what is beyond fibre ? Nutrition Research Reviews. 2012;(June 2010). doi:10.1017/S0954422410000041.

Giugliano D, Ceriello A, Esposito K. The Effects of Diet on Inflammation Emphasis on the Metabolic Syndrome. 2006;48(4). doi:10.1016/j.jacc.2006.03.052.

Mcdonald D, Birmingham A, Knight R. Context and the human microbiome. Microbiome. 2015:1-8. doi:10.1186/s40168-015-0117-2.

Org E, Parks BW, Joo JWJ, et al. Genetic and environmental control of host-gut microbiota interactions. 2015:1558-1569. doi:10.1101/gr.194118.115.Freely.

Rosenbaum M, Knight R, Leibel RL. The gut microbiota in human energy homeostasis and obesity. Trends Endocrinol Metab. 2015;26(9):493-501. doi:10.1016/j.tem.2015.07.002.

Slavin J. Why whole grains are protective : biological mechanisms. 2003:129-134. doi:10.1079/PNS2002221.

Vanamala JKP, Knight R, Spector TD. Previews Can Your Microbiome Tell You What to Eat ? Cell Metab. 2015;22(6):960-961. doi:10.1016/j.cmet.2015.11.009.

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About Josh Trent

Josh Trent lives in Austin, Texas with his love Carrie Michelle, son Novah, and a cat named Cleo. He is the Founder of Wellness Force Media, host of the Wellness + Wisdom Podcast and the creator of the BREATHE: Breath & Wellness Program. Josh has spent the past 19+ years as a trainer, researcher, and facilitator discovering the physical and emotional intelligence for humans to thrive in our modern world. The Wellness Force Media Mission is to help humans heal mental, emotional, and physical health through podcasts, programs, and a global community that believes in optimizing our potential to live life well.

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