Prebiotics are non-digestible fiber compounds or carbohydrates that help feed the probiotics and help them grow. Think of them as the water and sunlight flowers and plants need to flourish. There are plenty of excellent ways to get prebiotics — you might already be eating them — garlic is one! Today, I’m breaking down how prebiotics and probiotics work together to help you stay healthy and keep your immune system strong. I’ll also share how taking a daily probiotic supports many essential bodily functions, including healthy digestion.
What Are Prebiotics?
It takes a village to keep your gut healthy and help it carry out its many important bodily functions, from sleep to digestion to weight management. Studies have shown that gut health is directly tied to type 2 diabetes, heart disease, metabolic syndrome and obesity. (1) Probiotics have been proven to help prevent age-related disease (2), but now a new body of research shows that getting enough prebiotics in your diet is just as important as eating probiotic-rich foods.
Prebiotics help the probiotics do their job and do it well. Because prebiotics are mainly fiber and carbohydrate, they bypass digestion, so when they reach the colon, they become fermented by the microbiome. The most common kind of prebiotics is oligosaccharides. In case you missed it, I talked about different types of carbohydrates: monosaccharides, disaccharides, oligosaccharides, and polysaccharides (which are starches). Many plant-based foods are excellent sources of oligosaccharides. Some examples are:
- Whole grains
How Probiotics and Prebiotics Work Together
When you haven’t been getting enough sleep or eating a healthy diet, or have been taking an antibiotic to treat an infection, it can create an imbalance of good and bad bacteria in your gut. You might experience gastrointestinal issues, like constipation, diarrhea, bloating and indigestion. But prebiotics work synergistically with probiotics to stimulate the growth of beneficial bacteria like Lactobacillus plantarum, Lactobacillus fermentum, and Bifidobacteria, to help bring back balance. (3) Some creative ways you can combine prebiotics and probiotics in a meal include:
– Greek yogurt (or almond milk yogurt, if you’re dairy-free) with a banana
The probiotics most commonly found in Greek yogurt are Lactobacillus bulgaricus and Streptococcus thermophilus. When the fiber and carbohydrates in a banana reach your colon, they become fermented by your gut and turn into prebiotics. The prebiotics fuel the good bacteria — the Lactobacillus bulgaricus and Streptococcus thremophilus — so they grow and bring balance to the microbiome. Lactobacillus bulgaricus, in particular, is great for relieving digestive issues, including lactose intolerance, constipation, nausea, leaky gut syndrome, and diarrhea. (8)
– Sauteed tempeh and artichokes
Studies have shown that soy-based tempeh helps promote the growth of Bifidobacterium, a type of good bacteria, that boosts immunity and fights disease. (9) Together with the oligosaccharides in artichokes, Bifidobacterium can help reduce the number of pathogenic bacteria in the gut, like E.coli and enterococci. (9)
– Buckwheat noodles with asparagus
You’ll mostly find fermented buckwheat in sourdough bread, but it’s also in some grain alcohols. Fermented buckwheat has been shown to help deliver good bacteria to the gut flora. A 2013 study found that when buckwheat and oat bran were combined with probiotic-enriched milk, the good bacteria were enhanced and their survival rate improved. (10) Enjoy some sourdough toast with a creamy chive cashew cheese and some sauteed asparagus. The prebiotic fiber from asparagus will help carry over good bacteria from the buckwheat in sourdough bread to your gut.
– Pickled veggies in a grain bowl
Saurkraut, kimchi, pickles and other pickled veggies are good sources of probiotics. Just make sure you buy cukes that are brined in vinegar and salt because those will have active cultures. Or, you can make them at home with my recipe. By adding pickled veggies to your grain bowl, you reap the synbiotic benefits of probiotics and prebiotics. The fiber-rich vegetables and whole grains in your salad offer prebiotics that supports and promotes the probiotics in the pickles, kimchi and other pickled veggies.
In addition to improving your digestion and protecting your gut, here are some other ways prebiotics and probiotics work together to improve your overall health.
1. Improves Sleep and Reduces Stress
Studies show that the microbiome influences your circadian rhythm, your body’s internal clock, and a diet rich in probiotics may help improve the quality of your sleep. (4) By nourishing your microbiome with sleep-boosting nutrients, like potassium, magnesium and omega-3 fatty acids, chances are you’ll snooze a lot better at night. Prebiotic foods are excellent sources of these key sleep nutrients and help regulate your blood sugar levels so you don’t develop insulin resistance. And because your mood is directly linked to your gut health (5), prebiotics also work to help reduce stress and relieve depression and anxiety symptoms, which affect your sleep patterns.
2. Regulates Hunger Hormones
Like a bad chain reaction, lack of sleep causes the hormone ghrelin to send signals to your brain that you need to eat more food and to stop burning calories. (6) This leads to storing energy as fat and gaining weight. But getting more quality sleep at night and reducing stress in your life can help increase your leptin levels, the hormone that signals to your brain that you’re full. Incorporating more fiber-rich prebiotic foods can help you feel fuller longer and keep your blood sugar levels stabilized. At the same time, consuming more probiotic foods can help you become more resistant to stress and help you maintain gut health, even when you’re not feeling your best.
3. Boost Your Weight-Loss Efforts
Your gut is responsible for regulating your body’s metabolic functions, aka your body’s ability to burn calories and use energy. When your gut takes a hit, your weight-loss efforts are affected, too. Not getting enough sleep, living in a constant state of stress and eating an unhealthy diet are all ways you can sabotage the health of your microbiome. So if you want to shed pounds, make sure you’re eating a good mix prebiotics and probiotics to help balance your hunger hormones and boost your metabolism. (7)
4. Protect Your Bones
Prebiotic foods are excellent sources of magnesium, which has been shown to help improve your bone health. One study shows that when magnesium-based adhesives were applied for tendon-to-bone repair, it actually improved the healing process. (11) But now emerging research shows that probiotics, like Bifidobacterium longum, may help improve bone density, reduce bone loss and increase bone formation. (12) So when you combine prebiotic and probiotic foods in your diet, you’re not only safeguarding your health but your bones and joints, too.
How to Find the Right Probiotic for You
Most people who are eating the standard American diet aren’t getting an appropriate amount of probiotic-rich foods. Which is why taking a daily probiotic can be a great way to maintain a healthy microbiome.
Unfortunately, there aren’t any government regulations on what actually goes into probiotic supplements and their labels, so do your homework as it is important to look at the strain. One of the probiotics I recommend most often for my clients who need a digestive health boost is Align Extra Strength Probiotic (which contains 5x more good bacteria than Align Probiotic). Only Align contains Bifidobacterium 35624TM which helps promote and support a healthy digestive system* by fortifying your digestive system with a unique healthy bacteria 24/7 with continued daily use, which helps maintain a healthy microbiome balance and it can easily be incorporated into your daily routine and taken once a day. Win, win, win!
There are a variety of probiotics out there for different needs, whether it’s for aiding digestion or treating a recurring infection.
Then, you want to look at how many live cultures or organisms are in the supplement. If it says it’s “viable until the date of manufacture,” then chances are the microbes are dead by the time you take them. Lastly, you want to keep in mind how the probiotics should be stored; some require refrigeration while others are shelf stabilized. Note that there are also synbiotics, which are a combination of probiotics and prebiotics.
- Ottosen, F., Brunkwall, L., Ericson, U., Nilsson, P.M., Almgren, P., Fernandez, C., Melander, O., Orho-Melander, M. (April 2018) Connection Between BMI-Related Plasma Metabolite Profile and Gut Microbiota
- Choi, J., Hur, T.Y., Hong, Y. (January 2018) Influence of Altered Gut Microbiota Composition on Aging and Aging-Related Diseases
- Westfall, S., Lornis, N., Prakash, S. (April 2018) A novel polyphenolic prebiotic and probiotic formulation have synergistic effects on the gut microbiota influencing Drosophila melanogaster physiology
- Takada, M., Nishida, K., Gondo, Y., Kikuchi-Hayakawa, H., Ishikawa, H., Suda, K., Kawaii, M., Hoshi, R., Kuwano, Y., Miyazaki, K., Rokutan, K. (April 2017) Beneficial effects of Lactobacillus casei strain Shirota on academic stress-induced sleep disturbance in healthy adults: a double-blind, randomised, placebo-controlled trial
- Farhadi, A., Banton, D., Keefer, L. (April 2018) Connecting Our Gut Feeling and How Our Gut Feels: The Role of Well-being Attributes in Irritable Bowel Syndrome
- Poher, A.L., Tschop, M.H., Muller, T.D. (February 2018) Ghrelin regulation of glucose metabolism
- Parnell, J.A., Reimer, R.A. (June 2009) Weight loss during oligofructose supplementation is associated with decreased ghrelin and increased peptide YY in overweight and obese adults
- Adolfsson, O., Meydani, S.N., Russell, R.M. (August 2004) Yogurt and gut function
- O’Callaghan, A., van Sinderen, D. (June 2016) Bifidobacteria and Their Role as Members of the Human Gut Microbiota
- MagdalenaComan, M., Verdenlli, M. C., Vasile, S.S., Cecchini, C., Bahrim, G., E., Orpianesi, C., Cresci, A. (October 2013) Effect of buckwheat flour and oat bran on growth and cell viability of the probiotic strains Lactobacillus rhamnosus, Lactobacillus paracasei and their combination in synbiotic fermented milk
Thomopoulos, S., Zampiakis, E., Das Rosalina, M.S., Kim, H.M., Silva, M.J., Havlioglu, N., Gelberman, R. H. (June 2009) The use of a magnesium-based adhesive for flexor tendon-to-bone healing
Parvaneh, K., Ebrahimi, M., Sabran, M.R., Karimi, G., Ng, A., Hwei, M., Abdul-Majeed, S., Ahmad, Z., Ibrahim, Z. and Jamaluddin, R. (August 2015) Probiotics Increase Bone Mass Density and Upregulate Sparc and Bmp-2 Genes in Rats with Bone Loss Resulting from Ovariectomy
Let’s Hear It
Do you suffer from digestive health issues? What are they, and what are you doing to help treat them? Do you take a probiotic? Share them with the NS community below, and post your gut-friendly meals on Instagram with #nutritionstripped! If you’d like to get more personalized advice on how to address your gut issues, consider signing up for our nutrition counseling program. You’ll receive a full nutrition assessment with a customized plan to address your goals and dietary needs.
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