Daily nervous-system nutrition

Your body is always sending signals.

Between your brain and your gut, your heart and your breath, a conversation is running every second of the day.

When it's stuck on

The signal scatters.

Exhausted but wiredStress-reactive digestionSleep that doesn't restore

One nerve. Two-way.

The vagus nerve is the way back.

It carries the signal between brain and body. Around 80% of it travels upward, your body reporting in.

What almost nobody feeds

And it runs on nutrition.

Breathwork asks the nerve to fire. Nutrition supplies what firing runs on.

Meet

Vagus One

Nine actives across Nerve · Signal · State, for a body that struggles to switch off.

★★★★★4.6 from 1,000+ reviews

Shop Vagus One Find your pattern

From £1.10 a day · 90-day promise

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If this is your normal

Sometimes your mind is finished. Your body isn't.

Hands resting at a table at the end of the day, laptop closed and phone face down

10:47 PM
Exhausted. Still wired.
After dinner
Stress changes how your stomach feels.
Sunday night
Nothing is happening. Your body is still on.
7:15 AM
You slept. You don't feel recovered.

Maybe these aren't four separate problems. They're one system, trying to change state.

The way back

Your body has an on state. It also needs a way back.

High alert

Built for the emergency.

Sharp, fast, useful. Just not meant to be where you live.

Rest · Digest · Recover

Where repair happens.

The state the vagus nerve leads you back to, and the one most of us rarely reach.

How you support it

You can't think your way to calm.

Supporting the vagus nerve isn't one intervention. There are three different levers, and they work on different timescales.

01Stimulate

Create an immediate input.

Slow breathing, cold exposure and vagus-nerve devices can influence nervous-system state in the moment. They differ in mechanism, cost and intensity.

Breathing
Cold exposure
Devices

Try one now ↓

02Train

Improve the conditions around it.

Sleep, movement, meal timing and daily rhythm shape the baseline your nervous system works from. Slower to change. Broader in effect.

Sleep
Movement
Meals
Rhythm

Daily foundations

03Nourish

Support the biology underneath.

Nerve signalling depends on nutrients, cellular energy and neurotransmitter metabolism. This is the layer Vagus One is designed to support.

Nerve
Signal
State

Yona

One works in the moment. One builds the baseline. One supports the biology.Yona is made for the third.

Lane 01, right now

Five slow breaths. One minute.

In for four, out for eight. The long exhale is the half your body reads as safe. Follow the signal: in as it travels to the ring, out as it flows on.

Sit down for this, and stop if you feel light-headed. Slow breathing isn't a treatment. It's a way to give your body a clearer signal that the demand is over.

One minute

5 breaths

That was lane 01: an input in the moment. Lane 03 is what the nerve runs on, every day.

See Vagus One

Daily nervous-system nutrition

Vagus One

For a body that struggles to switch off.

NerveBenfotiamine, B1, B2 and magnesium
SignalCiticoline, acetyl-L-carnitine and B5
StateL-theanine and saffron, without sedation

★★★★★4.6 from 1,000+ reviews

Shop Vagus One Find your pattern

From £1.10 a day · 90-day promise

In a survey of 748 Yona customers

They told us where they felt it first.

84^%
noticed less brain fog and felt sharper
81^%
reported better digestion
76^%
had more energy through the day
73^%
felt calmer and less reactive to stress

Self-reported survey of Yona customers, 2026. Responses are individual experiences and results vary. Food supplements are not a substitute for a varied diet or prescribed medication.