The Anti-Inflammatory Diet and Your Gut: What to Eat

Inflammation is a natural immune response — in the short term, it's how your body heals. But chronic, low-grade inflammation, the kind that simmers quietly in the background, can affect your gut lining, your gut bacteria and your digestion over time. An anti-inflammatory approach to eating supports gut health in a direct way. Here's what that means in practice.

The inflammation-gut connection

Chronic gut inflammation is associated with a less diverse, less balanced microbiome, increased gut sensitivity, more frequent bloating and discomfort, and a more reactive immune system. What you eat influences this directly. Certain foods promote inflammatory pathways; others carry compounds that actively calm them. A consistently anti-inflammatory diet shifts the gut environment toward better digestion and less sensitivity over time.

Anti-inflammatory foods to build around

Fatty fish (salmon, mackerel, sardines)

Rich in omega-3 fatty acids, among the most well-studied anti-inflammatory compounds. Aim for two to three portions a week.

Colourful vegetables

Dark leafy greens, peppers, tomatoes, beetroot, purple cabbage — the pigments that give these their colour (polyphenols) have anti-inflammatory and prebiotic properties. More variety means broader benefit. See the best foods for gut health.

Berries

Blueberries, strawberries, raspberries and cherries are high in polyphenols that reduce inflammatory markers and feed beneficial gut bacteria.

Extra virgin olive oil

Contains oleocanthal, a compound with natural anti-inflammatory properties. A daily drizzle in cooking is a simple, sustainable habit.

Nuts and seeds

Walnuts, almonds, flaxseed, chia seeds — all provide fibre, healthy fats and plant compounds that support gut and immune health.

Whole grains

Oats, brown rice, quinoa and barley provide fibre that feeds anti-inflammatory gut bacteria and keeps digestion steady.

Fermented foods

Yoghurt, kefir, kimchi and sauerkraut support a diverse microbiome, which helps regulate the immune and inflammatory response. See probiotics vs prebiotics.

Herbs and spices

Turmeric (especially with black pepper, which increases absorption), ginger and cinnamon have anti-inflammatory compounds. Used regularly in cooking, they add up.

What to reduce

• Ultra-processed foods: refined grains, seed oils, additives and excess sugar all promote inflammatory pathways in the gut
• Excess sugar and refined carbs: feed less helpful gut bacteria and drive inflammatory signalling
• Alcohol: irritates the gut lining and disrupts gut bacteria

This isn't a strict protocol

Anti-inflammatory eating is a direction, not a rigid set of rules. More plants, more variety, more whole foods, less processed food. Done consistently over weeks and months, it shifts your gut environment more meaningfully than any short-term cleanse or restriction.

For a structured way to put this into practice, my free 7-day anti-bloat plan incorporates these principles as daily habits. The 30-Day Gut Reset builds them fully into your routine over a month. See also our gut-friendly meal plan for practical meal ideas.

General information. For conditions involving significant inflammation, please work with a healthcare professional.

Frequently asked questions

What is the best anti-inflammatory food for gut health?

No single food dominates, but fatty fish (omega-3s), colourful vegetables and berries (polyphenols), fermented foods (microbiome support), and extra virgin olive oil have strong, consistent evidence.

Can anti-inflammatory eating reduce bloating?

For many people, yes — particularly where gut inflammation and sensitivity contribute to bloating. The effect builds over weeks and months of consistent eating.

Is the Mediterranean diet anti-inflammatory?

Yes — the Mediterranean diet (fish, vegetables, olive oil, whole grains, legumes, herbs) is the most well-studied anti-inflammatory dietary pattern and a solid template for gut-friendly eating.