
Pebble Breath-Pacing Trainer
Pocket-sized 4-7-8 and box-breath pacer. No app, no battery anxiety, no €500 receipt.
Secure checkout · Tax calculated at checkout
Product details
Pocket-sized 4-7-8 and box-breath pacer. No app, no battery anxiety, no €500 receipt.
How Codex curates products
Every product passes three checks before it reaches you.
Brand discovery
We surface brands operators and coaches are already buying — never paid placement.
Wellness review
Each SKU is scored against our charter: ingredient quality, evidence, claims, sourcing.
Operator-tested
Coaches and studios in our network try it on real clients before we recommend it.
Learn more

Guide
Muse S Athena: the only consumer EEG that actually changed our meditation practice
A fabric headband with four EEG sensors that gives real-time audio feedback on your brain state. Niche, slightly clinical, and surprisingly transformative if you'll commit to a daily practice.

Guide
Loop Earplugs: the best EUR 25 you can spend on your nervous system
Reusable silicone earplugs that take the cortisol-driving sharpness off the world without silencing it. The simplest product on this list, and one of the most effective.

Guide
Neuro headbands: the €500 placebo with great Instagram lighting
Apollo, Sensate, Muse, Pulsetto — the at-home "vagus nerve stimulators" cost more than therapy and do less than a 4-7-8 breath. Here's what the actual data says.
Vetted under the Codex charter
We only stock products that pass our ingredient, evidence and sourcing review. If a SKU stops meeting the bar, it's delisted — full stop.