The Universe Inside You: How Functional Nutrition Rewires Your Gut Microbiome
Let us start with a fact:
you are more bacteria than you are human.If we put all your cells with DNA on one side of a scale and all the tiny living things like bacteria, fungi and viruses from your gut on the other the tiny living things would weigh more. Not a little more, but a lot more. Now we think that for every one cell in your body there is about one tiny living thing. These tiny living things are so small that they make up about one to three percent of your body weight. Still that is two to five pounds of helpers in your colon working to keep you alive.
This is your gut microbiome. In the ten years it has been the most exciting thing in medicine and nutrition. But here is the thing: you cannot make it better with one pill or a week of green juice. You have to feed it every day. That is where functional nutrition comes in.
Functional nutrition is not a diet. It is a way of using food to make you healthier by looking at the picture, not the symptoms. The main thing it looks at is the microbiome.
Let us take a journey inside your tract and figure out how to make your internal ecosystem thrive.
The Silent Conversation: Your Gut Talks to Everything
For a time we thought the only job of the gut was to digest food. We were wrong.
The gut is actually an organ that is connected to your nerves and your immune system. The lining of your intestine has over 100 million nerve cells, which's more than your spinal cord. This is called your system or your "second brain." It makes most of the serotonin and dopamine in your body which're the chemicals that control your mood, sleep and motivation.
The cool thing is the conversation between these nerve cells and the tiny living things in your gut. Your gut bacteria make hundreds of chemicals that go to your brain and can change how you feel.
For example a study in 2013 found that when healthy women ate fermented milk with probiotics for four weeks their brain activity changed. They were less stressed and anxious.
This is the gut-brain axis in action. It explains why you often get diarrhea when you are stressed or why depression can make your stomach hurt.
When the Garden Wilts: Dysbiosis and Leaky Gut
A healthy microbiome is like a rainforest with different types of plants and animals living. Dysbiosis is like a parking lot, where the good bacteria are overrun by the ones.
Dysbiosis does not happen overnight. It happens when you eat a lot of sugar and not enough fiber or when you are stressed all the time. It can also happen when you take antibiotics or when you do not sleep enough.
When dysbiosis happens the lining of your gut starts to break down. Imagine your lining as a net. In a state only small digested nutrients can get through. When the net breaks, big undigested food particles and bad bacteria can get into your bloodstream.
Your immune system gets confused. It starts to attack these particles, which can cause inflammation and disease.
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Functional Nutrition: The Toolkit for Restoration
Functional nutrition is different from diet advice. A doctor might say, "Eat more fiber." A functional nutritionist asks, "What type of fiber? For what purpose? Can your gut handle it?"
Functional nutrition is. It follows a simple plan called the 5R Protocol: Remove, Replace, Reinoculate, Repair, Rebalance.
Step 1: Remove the Obstacles
You cannot plant a garden in a parking lot. First you have to remove the asphalt.
You need to get rid of foods that irritate your gut like gluten or dairy. You also need to get rid of infections like bacterial overgrowth and dietary toxins like artificial sweeteners.
A 2- to 4-week elimination diet is a way to do this. You remove triggers. Then add them back in one by one to see how your body reacts.
Step 2: Replace the Digestion
Many people with gut issues do not digest their food properly. They might have stomach acid or not enough enzymes to break down their food.
Functional nutrition uses herbs like gentian or dandelion root to stimulate stomach acid and digestive enzymes, like betalain from beets to help break down food.
Step 3: Reinoculate the Beneficial Bacteria
This is the step where you add bacteria back into your gut. It is not about taking a probiotic pill.
Different probiotic strains do things. Some are good for preventing diarrhea while others are good for reducing anxiety.
But here is the thing: probiotics are like visitors. They only stay in your system for a week. To make them permanent residents you need to feed them the food.
Step 4: Repair the Lining
You have removed the toxins and added the bacteria. Now you need to fix the holes in your gut lining.
You can do this with nutrients like L-Glutamine, which's like food for your gut cells and Zinc Carnosine, which helps close the gaps between cells.
Step 5: Rebalance Lifestyle
You cannot just eat your way to a microbiome. You also need to manage your stress, sleep and exercise.
This means getting 7-9 hours of sleep per night practicing stress-reduction techniques like meditation and exercising regularly.
The Fiber Paradox:
Why Diversity is King Fiber is a thing for your microbiome. Not just any fiber. You need to eat a variety of plant foods to feed all the types of bacteria in your gut.
The goal is to eat 30 or more plant foods per week. This can include things like fruits, vegetables, whole grains and legumes.
For example you could eat a variety of fruits like apples, bananas and berries and a variety of vegetables like broccoli, carrots and sweet potatoes. You could also eat grains, like rice, quinoa and whole wheat bread and legumes like beans, lentils and peas.
By eating a range of plant foods you can create an ecosystem in your gut and keep your gut microbiome healthy and strong.
starches:
When you cook and cool potatoes, green bananas and plantains they become starches. These resistant starches do not get digested until they reach the colon. Then they turn into butyrate, which's the main fuel for the lining of your gut.
fibers:
You can find soluble fibers in oats, nuts, seeds, legumes and apples. When you eat these foods they form a gel substance in your stomach. This substance slows down digestion. It helps lower your cholesterol levels.
fibers:
Foods like greens, broccoli and celery are full of insoluble fibers. These fibers act like a brush that cleans the walls of your colon.
Polyphenols:
You can find polyphenols in onions, dark chocolate, coffee and pomegranates. For example red onions have quercetin, dark chocolate has flavonoids, coffee has chlorogenic acid and pomegranates have acid.
A study from the Gut Project in 2018 found that people who eat than 30 different types of plants every week have a more diverse set of gut bacteria than people who eat 10 or fewer types of plants. The more diverse your gut bacteria are, the healthier your gut's
A Real-World Case Study:
Sarah and the Bloating Lets talk about Sarah. Sarah is 34 years old. She went to a nutrition practice because she had something called IBS. She would feel bloated after every meal. She would also feel confused and tired by 3 PM. Sometimes she would have diarrhea. Her doctor said she should try a FODMAP diet because her problem was probably stress.
The low FODMAP diet worked for two weeks. Then Sarahs symptoms came back worse.
The nutrition practice took an approach:
1. Testing:
They did a stool test, which is called a GI-MAP test. The test showed that Sarah had levels of a bacteria called Faecalibacterium prausnitzii. It also showed that she had levels of a protein called zonulin, which can cause gut.
2. Remove:
Sarah stopped eating gluten, dairy and artificial sweeteners.
3. Replace:
She started taking a supplement called betaine HCl before meals that had a lot of protein. This is because her stomach was not making acid.
4. Reinoculate:
She took a kind of called Bacillus coagulans. This probiotic is different from probiotics because it can survive the acid in your stomach and start growing in your colon.
5. Repair:
She drank bone broth every day. Took a supplement called L-glutamine on a stomach.
After eight weeks Sarahs bloating was gone. After 12 weeks she was having a bowel movement every morning at the time. She was no longer feeling confused and tired. Sarah did not really cure her IBS. She did make her gut healthier.
The Future is Personal
We are moving away from the idea that everyone should eat the foods. The USDA food pyramid is being replaced by nutrition plans. Companies like Viome, Zoe and Thryve are analyzing peoples gut bacteria. Telling them what foods to eat and what foods to avoid.
This is a way to eat. It can be expensive. You do not need to spend a lot of money to start eating healthier. You just need to be willing to try foods and eat a variety of plants.
You Are a Gardener
You're in charge of your gut microbiome. You can make it healthy or unhealthy. It is up to you.
Your gut microbiome is, like a garden. You need to plant the seeds water it and give it sunlight. If you do it will thrive. If you do not it will wither away.
So start taking care of your gut microbiome today. Eat a variety of plants manage your stress and get sleep. Your gut microbiome will thank you.
Your gut is like a garden. It is not something that you are stuck with. You can make your gut healthier by eating the foods and taking care of yourself. This is really important for your health and your gut.
Functional nutrition is about taking care of your gut. It is about eating foods that're good for your gut and avoiding foods that are bad for your gut. Functional nutrition is also about treating food like its medicine for your body. You can think of food as a way to make your body healthier.
Here is what you can do to make your gut healthier. You can start by adding one vegetable to your diet every week. This is a thing to do and it can make a big difference for your gut. You can try fermenting your sauerkraut, which's full of good bacteria that are good for your gut. You can also chew your food slowly. Eating dinner before the sun goes down is also an idea for your gut.
The bacteria in your gut are waiting for you to tell them what to do. What will you feed your gut today? This is a choice you can make every day to make your gut healthier.
Disclaimer:
This article is for purposes and does not constitute medical advice. Always consult a healthcare provider before making changes, to your diet especially if you have a diagnosed medical condition.

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