Vol. 01 Acoustic Extraction™
A 21-day listening protocol that uses slow, steady tones as a daily cue to settle.
$9.99 Read on Amazon →
The Sovereign Field Library™ · Vol. 06
The Vagal Bitters Protocol™
A 21-Day Bitter-Receptor Vagal Activation Protocol
Bitter receptors aren't only on your tongue. They're in your gut too, where bitter compounds can trigger digestive hormones that signal the vagus nerve. This 21-day protocol turns that into a simple daily practice, about 63 tastes, with a log to track what changes for you.
Free with Kindle Unlimited · Amazon Associate ASIN B0H9J61LVY
TAS2R bitter receptors → gustducin signaling → release of gut hormones such as CCK → CCK receptors on vagal nerve endings → the brainstem's nucleus of the solitary tract. The pathway is mapped in lab research. Meyerhof (2010), Lu et al. (2017).
How strong is the evidence?
Early. The receptor pathway is real, and bitters have a long track record for digestion. Whether daily bitters shift your overall stress baseline hasn't been tested in trials, which is why the protocol has you track it.
Read more: Digestive bitters: benefits and safety
Before you start
Talk to a doctor or pharmacist first if you have an ulcer, gastritis, acid reflux or gallstones, are pregnant or breastfeeding, or take prescription medication. Many tinctures contain alcohol.
Education and self-practice, not medical or mental-health care. These protocols don’t diagnose, treat, cure or prevent any condition. Talk with your doctor before starting, especially if you’re pregnant, take medication, or have a heart, lung or mental-health condition. In a crisis, call or text 988 (veterans, press 1).
Anyone whose nervous system has been running under sustained load, from combat veterans to shift workers to single parents. Includes the free Vagal Reset as Phase 1.
Related protocols.
Vol. 01 
Vol. 02 The Seed Protocol™
A 28-day practice caregivers do with children 4 to 12: touch, rhythm and calm routines that help a child settle.
$7.99 Read on Amazon →
Vol. 03 Umami Completion Signaling™
A 30-day protocol for meals that actually feel finished, built around umami.
$7.99 Read on Amazon →
Vol. 04 Nervous System Reset
A 21-day, five-channel practice for a calmer baseline. Your nervous system is not broken. It adapted.
$9.99 Read on Amazon →
Begin the Work
Start with the free Vagal Reset.
A free field guide to calming your nervous system. Five simple signals and one 90-second reset you can start today.
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