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Ollie Campbell

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January 25, 2026

5 Gut-Healing Foods That Actually Work (And Why You Need Them)

You can train hard, eat well, and still feel bloated, sluggish, or inflamed if your gut health isn’t dialled in.

The reality is, your gut isn't just about digestion, it's the control centre for everything from immunity and nutrient absorption to mental clarity, recovery, and overall energy. When your gut is struggling, it affects nearly every system in your body.

Whether you’re dealing with bloating, food sensitivities, low energy, or poor recovery, the first place to look is your gut lining and microbiome, and fortunately, you can support both with simple, evidence-based nutrition strategies.

Here are five functional foods that go beyond marketing claims. These are ingredients with real science behind them, and real-world benefits for people who care about performance, longevity, and resilience.

1. Bone Broth: Support for the Gut Lining

Bone broth is rich in collagen, gelatin, and the amino acid glutamine, all of which are essential for repairing and maintaining the integrity of the gut lining. It’s especially helpful for individuals dealing with digestive inflammation, post-antibiotic recovery, or symptoms of leaky gut.


Bone broth contains nutrients that support the regeneration of intestinal cells and reduce gut permeability, which may improve immune function and digestion over time.


Sip it warm on its own, cook grains in it, or use it as a base for soups and stews.

2. Avocados: Whole-Food Anti-Inflammatory Support

Avocados are a whole-food source of fibre, monounsaturated fats, and micronutrients that contribute to gut and metabolic health. Their fibre content feeds beneficial bacteria, while the fats support the absorption of fat-soluble vitamins and reduce inflammatory markers.


Fibre supports a diverse microbiome, while healthy fats help reduce systemic and gut-specific inflammation.


Serve alongside eggs, add to salads or smoothies, or use it as a nutrient-dense topping for toast or bowls.

3. Kimchi and Fermented Foods: Probiotic Diversity

Kimchi, sauerkraut, kefir, miso, and other fermented foods offer a rich source of live cultures. These probiotics help repopulate your gut microbiota, improve digestion, and crowd out harmful bacteria.


A healthy microbiome supports not only digestion but also mood regulation, immune resilience, and even muscle recovery through the gut-brain axis.


Start with small servings (1–2 tablespoons) daily. Add kimchi to eggs, miso to soups, or sauerkraut to salads and protein-based meals.

4. Chia Seeds: Fibre and Omega-3s in One

Chia seeds are packed with soluble fibre and plant-based omega-3 fatty acids. When soaked, they form a gel-like texture that can help soothe the gut and support motility without irritation.


Soluble fibre feeds good bacteria and promotes regularity, while omega-3s have an anti-inflammatory effect across the digestive system.


Add to overnight oats, blend into smoothies, or make chia puddings with almond milk and berries.

5. Greek Yogurt: Probiotic and Protein Support

Greek yogurt contains both protein and probiotics, making it a uniquely beneficial food for gut health and recovery. Look for unsweetened varieties that contain live and active cultures.


Probiotics help rebalance the gut microbiome, while high-quality protein supports tissue repair and satiety.


Top with fruit, seeds, or a scoop of whey protein for a complete breakfast or post-training snack.

What are the Real Benefits of Gut Repair…

Once you begin prioritising foods that support your gut lining and microbiome, the benefits extend well beyond digestion. 

Many people report:

Reduced bloating and discomfort.

Better appetite control.

Improved mental clarity and mood.

Stronger immune response.

Enhanced recovery and nutrient absorption.

Healthier skin and energy levels.

These improvements aren’t a coincidence, they’re the downstream effects of a system functioning better at the foundation level.

So how can we integrate daily gut repair into our lives?

Gut repair doesn’t require perfection or a total overhaul. It starts with consistently including small, functional choices throughout the week.

Here’s a simple daily checklist:

One serving of bone broth or collagen-rich soup.

Half an avocado with one meal.

A small serving of fermented foods (kimchi, sauerkraut, kefir).

One to two tablespoons of chia seeds or lepicol, ideally soaked.

One bowl of unsweetened Greek yogurt with live cultures.

Even minor shifts in consistency can create long-term improvements in gut function and systemic health.


If your gut is underperforming, your training, energy, and recovery are all compromised, even if everything else seems “in check.” Prioritising gut health is one of the most effective ways to upgrade your results, inside and out.

About the Author
Ollie Campbell is a strength and wellness coach focused on helping active adults build functional strength, improve energy, and develop lifelong health habits, from the gym floor to the gut lining.

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