Ginger, Gut Microbiome and Gut-Brain Axis: Brain, Mood, and Digestion

Direct answer: ginger shot without sugar affects the microbiome and the gut-brain axis through four pathways: (1) slight prebiotic effect — promotes growth of Lactobacillus and Bifidobacterium, (2) reduction of gut permeability (leaky gut) via strengthening of tight junctions, (3) modulation of intestinal serotonin production (95% of all serotonin is produced in the gut), (4) regulation of the vagus nerve via intestinal 5-HT3 receptors. Result: improved cognition, mood and digestive health.

The gut-brain axis: the gut as a second brain

Gut and brain communicate via:

  • Vagus nerve: 80% of signals go from the gut to the brain
  • Intestinal serotonin: 95% of all serotonin is produced by enterochromaffin cells → direct influence on mood
  • Microbiome-SCFA: gut bacteria produce short-chain fatty acids (butyrate) that influence brain function

Effects of ginger on the microbiome and gut-brain axis

1. Prebiotic effect

  • ↑ Lactobacillus and Bifidobacterium
  • ↓ Pro-inflammatory bacteria

2. Reduction of gut permeability (leaky gut)

Ginger strengthens tight junction proteins (ZO-1, occludin) and reduces zonulin: -25% gut permeability.

3. Modulation of intestinal serotonin

  • Increases 5-HT intestinal secretion → improved digestive motility
  • Inhibits 5-HT3 receptors → less nausea, less visceral hypersensitivity (IBS)

INTI gut-brain axis protocol

  • 1 INTI shot 's ochtends nuchter (maximum contact with intestinal mucosa)
  • Microbiome synergy: ginger + multi-strain probiotics (10 billion CFU) + prebiotics (inulin fibers) = optimized gut-brain axis trio

FAQ microbiome & ginger

Is ginger a prebiotic?

A partial prebiotic. Ginger contains polysaccharides that selectively feed certain beneficial bacteria (Lactobacillus, Bifidobacterium), but its prebiotic action is less specific than inulin or FOS.

Can ginger cause dysbiosis (microbiome imbalance)?

Not at nutritional doses. Ginger has a selective antibacterial effect (mainly on pathogens) and promotes beneficial bacteria. At very high doses (> 10 g/day), a broader effect is theoretically possible — not documented at shot doses.

INTI — For a Gut and Brain in Harmony

Natural prebiotic. Tight junctions. Intestinal serotonin. Belgian cold press.

Discover INTI →

Related articles

Further reading on related topics :

Back to blog