🌙

Best For

Sleep

The gut-sleep axis is one of the most underappreciated relationships in health. Prebiotic fibres feed bacteria that produce GABA and serotonin precursors — the compounds your brain converts into melatonin. Consistent prebiotic intake is one of the most evidence-backed dietary strategies for sleep quality.

prebiotic

15 foods matched for sleep

Vegetables

Garlic

The oldest medicine in your kitchen.

Grains & Legumes

Oats

Beta-glucan — the fibre your gut bacteria love most.

Fruit

Blueberries

Small fruit. Massive microbiome impact.

Fats & Oils

Olive Oil

The Mediterranean microbiome in a bottle.

Vegetables

Onions

Nature's richest source of inulin.

Fruit

Banana

Resistant starch — the prebiotic you didn't know about.

Vegetables

Leeks

Ireland's native prebiotic powerhouse.

Nuts & Seeds

Flaxseed

Ground daily. Fed daily. The omega-3 prebiotic.

Vegetables

Asparagus

A prebiotic powerhouse hiding in plain sight.

Vegetables

Jerusalem Artichoke

The highest inulin food on the planet.

Vegetables

Sweet Potato

Cook it, cool it, and feed your microbiome.

Vegetables

Beetroot

Deep colour, deep microbiome benefits.

Vegetables

Carrots

Simple, accessible, and quietly powerful.

Vegetables

Mushrooms

Beta-glucan from the forest floor.

Grains & Legumes

Barley

Ancient grain, modern microbiome benefits.

Also explore

🌿Best for Digestion ⚡Best for Energy 🛡️Best for Immunity

Know what your meals score.

Take the free assessment and find out where you stand across all 5 microbiome pillars — in under 3 minutes.

Get My Free Biotics Score Back to Food Library