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MORTAR & KETTLE
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HERBAL TEA · №020

Gentle Gas Relief Tea

a quiet cure for a heavy belly

A warming carminative infusion built to settle a bloated, restless gut. Sweet anise and fennel meet the heat of fresh ginger, then chamomile and mint fold in to relax the belly and quiet the nerves. It is a soft, herbaceous cure for a heavy stomach that soothes as much as it digests.

Easy7 minForgiving
HerbaceousSweetDigestiveCalming
Gentle Gas Relief Tea · finished

Method

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Simmer the anise, fennel, and ginger in the water to draw out their oils.
▸0.3 ganise seeds▸0.1 gfennel seeds▸1 gfresh ginger▸500 mlfiltered water
3 min
Turn off the heat and add the chamomile, dried mint, and licorice.
▸1.5 gchamomile flowers▸0.15 gdried mint▸0.1 glicorice root
Steep, then strain.
4 min
“A good steep is chemistry with the kettle on. Mind the minutes.”
THE MORTAR & KETTLE METHOD

The chemistry

SKELETAL STRUCTURES

4 compounds carry this recipe. Here is what each one does and, where we have it, what it actually looks like.

C₁₀H₁₂O
C₁₀H₁₂O

The licorice-sweet aromatic of anise and fennel; it relaxes intestinal spasms and releases trapped gas, doing most of the tea's digestive work.

SweetDigestive
C₁₇H₂₆O₄
C₁₇H₂₆O₄

The bite of fresh ginger; it stimulates gastric motility and eases nausea, coaxing a sluggish stomach back into rhythm.

HerbaceousDigestive
C₁₅H₂₆O
C₁₅H₂₆O

A gentle constituent of chamomile that calms inflamed gut lining and eases tension, lending the tea its quieting, calming close.

HerbaceousCalming
C₄₂H₆₂O₁₆
C₄₂H₆₂O₁₆

The intensely sweet saponin of licorice root; it soothes the stomach lining and rounds the brew, deepening its sweetness without sugar.

SweetCalming

About

IN DEPTH

Anise, fennel and sliced ginger simmer in 500 ml of water for 3 minutes to draw out their oils. Then the heat goes off, the chamomile, dried mint and licorice go in, and the pot steeps for about 4 minutes before straining. Three ingredients are cooked, three only steeped. The Journal's note on why arak turns white describes anise oil as dominated by one compound, trans-anethole, at eighty to ninety-five per cent, and fennel shares the flavour, so the cup's sweet, licorice-like note is largely one molecule. The licorice adds sweetness without sugar.

The name promises gas relief, and the evidence is of the traditional kind. The Journal's note on anise records the European Medicines Agency's monograph, which recognises anise for mild spasmodic digestive complaints such as bloating and flatulence, at 1 to 3.5 grams of seed in 150 ml of boiling water three times a day, for no more than two weeks. The Journal's note on chamomile adds that the 2015 EU monograph lists the flower as traditional use too, a category resting on long habit rather than trials. In two trials described in the Journal's note on bloating, 1.2 grams of ginger sped gastric emptying and changed no symptom. The same note quotes a Barcelona group's summary of bloating: the problem does not seem to be too much gas, but abnormal responses to gas.

Strain after the steep and treat it as an occasional pot; the library pairs it with the Sweet Digestive Tea. The recipe's own caution is the licorice. The EU's Scientific Committee on Food set 100 milligrams of glycyrrhizinic acid a day for regular consumption, counted across every source, and glycyrrhizin pushes potassium down and blood pressure up, so skip it with hypertension or diuretics. The Journal's note on licorice reports a Dutch survey in which four of 33 herbal tea brands exceeded 100 milligrams per litre of prepared drink, the highest at 450. The anise monograph does not recommend anise under twelve, in pregnancy or while breastfeeding.

Possible side effects

USE WITH CARE
  • Licorice root comes with a regulator's ceiling. The EU's Scientific Committee on Food set 100 milligrams of glycyrrhizinic acid a day for regular consumption, counted across every source combined, and glycyrrhizin pushes potassium down and blood pressure up. Fine as an occasional pot, not a daily habit, and one to skip with hypertension or on diuretics. The Journal note on licorice, linked on this page, has the numbers.

These notes are educational, not medical advice. Read the terms

FROM THE JOURNAL

The reading behind this recipe

Bloating, and what a smoothie can actually do about it
№57Chemistry

Bloating, and what a smoothie can actually do about it

The belly that swells by evening usually holds barely more gas than it did at breakfast. What the CT scans found, which trials a kiwifruit has actually moved, why the yogurt is allowed and the honey is not, and the enzyme claims that do not survive the stomach.

23 September 2026·11 min read·56 SOURCES
Chamomile makes its blue in the still, not in the field
№50Chemistry

Chamomile makes its blue in the still, not in the field

German chamomile flowers are white and gold. Distil them and the oil runs ink-blue, from a molecule the living plant never contains. What is in the flower, what a cup of tea actually carries, and why the trials that made chamomile's name mostly did not use tea.

16 September 2026·10 min read·17 SOURCES
Anise is not thirteen times sweeter than sugar, and nobody has ever checked
№22Chemistry

Anise is not thirteen times sweeter than sugar, and nobody has ever checked

Sweet taste runs through a single receptor that will accept a sugar, a protein or a synthetic molecule with equal enthusiasm. Which is how anise tastes sweet with no sugar in it. The famous number attached to that fact, though, traces back to an uncited sentence, and the measurement behind it could not have been made.

6 August 2026·14 min read·26 SOURCES