It’s very common for people trying to get healthier to start everywhere except the place that matters most. They tweak their macros, add another supplement, change their training, chase the next protocol. And they still feel off. Low energy by mid-afternoon. Bloated after meals. Brain fog, poor sleep, skin that won't cooperate, a mood that swings for no clear reason.

Here's what gets missed: a huge share of those problems start in the gut. Your gut decides how much of your food you actually absorb. It runs most of your immune system and stays in constant contact with your brain. When it's struggling, the effects show up all over the body, often in places that look unrelated.

That's why the gut should almost always be the first place you look when you want to feel better. Fix it, and a surprising number of other complaints quiet down on their own, because most of them were downstream of the gut the whole time. Ignore it, and nothing else you try fully works.

As a Certified Digestive Health Specialist, this is the overview I give almost everyone before we touch anything else.

Most people picture the gut as a tube. Food goes in, waste comes out, nothing more.

It runs far more than that. Your gut houses roughly 70 to 80% of your immune system. It produces most of your body's serotonin. It talks to your brain constantly through the vagus nerve, which is why a struggling gut shows up as low mood, anxiety, and brain fog. People call it the second brain for a reason. The same tissue your brain is built from is the tissue your gut develops from.

So when your gut is compromised, the effects don't stay in your gut. They reach your mood, your immune system, your energy, your sleep, and your skin.

Digestion starts in your mouth. You chew, saliva releases enzymes, and food begins breaking down before it ever reaches your stomach. Most people inhale their food and skip this step entirely.

In the stomach, hydrochloric acid and enzymes break food down further. Get that acidity wrong and everything downstream suffers, because stomach acid is the signal that tells your gallbladder and pancreas to go to work.

The small intestine is where about 90% of absorption happens. Its lining is covered in tiny finger-like villi that pull nutrients into your body. When that lining is healthy, you absorb what you eat. When it's damaged, you don't, no matter how good the food was.

The large intestine is home to most of your gut bacteria. They ferment the fiber you can't digest and produce short-chain fatty acids that feed the cells lining your colon. That's the return on feeding them well.

A handful of things do most of the damage:

Enough of these, for long enough, and the gut lining turns permeable. That's leaky gut. The barrier that's supposed to let nutrients through and keep everything else out starts letting the wrong things into your bloodstream. Inflammation follows, and it shows up far from your gut.

1. Remove what's driving the damage. Cut processed food, refined sugar, and seed oils. Pull the common irritants like gluten, and conventional dairy for a stretch. Ease off casual NSAIDs and alcohol. Stop the assault before you try to repair anything.

2. Eat to digest, not just to eat. Sit down. Slow down. Chew each bite until it's actually broken down. Eat calm so your body is in rest-and-digest instead of fight-or-flight. It's free, and most people skip it. A few slow, deep breaths before each meal won’t hurt either.

3. Repair the lining. Bone broth is the workhorse, rich in collagen, glycine, and gelatin. Protein and mineral-dense real food give the lining the raw materials to rebuild.

4. Feed the microbiome. Fermented foods daily for live cultures: sauerkraut, kimchi, kefir, raw cheese, plain yogurt. Prebiotic fiber to feed the good bacteria: garlic, onions, leeks, asparagus, leafy greens. Probiotics add bacteria. Prebiotic fiber feeds the bacteria you already have. You want both.

5. Reintroduce and personalize. After a month or two, add foods back one at a time and watch how you respond: bloating, energy, skin, mood, sleep. Your body tells you what it tolerates. You end up with a personal list of what works for you, which beats any generic diet.

Fix the gut and the ripple effects runs in your favor. Better absorption means your food, your training, and your supplements finally do what they're supposed to. Energy steadies. Sleep deepens. The fog lifts. Give it years and you sidestep the slow slide into the inflammation-driven conditions that take most people down in their 50s and 60s.

Your gut built you. It's worth rebuilding.

👉 You can eat clean and still feel bad if your gut can't absorb the food. Digestion is half the equation.

👉 Your gut runs your immune system, your mood, and your energy, not just digestion.

👉 Remove the disruptors first: processed food, sugar, seed oils, casual meds, chronic stress.

👉 Eat calm and chew. Rest-and-digest is where absorption happens.

👉 Repair with bone broth, feed the microbiome with fermented foods and prebiotic fiber, then reintroduce foods one at a time.

Pick one move this week. Start with the simplest one: slow down and actually chew your food at every meal. It costs nothing and it changes your digestion today.

Stay well,

Cameron