The GAPS approach to headaches uses the wider diet, with the starting route and food introductions matched to digestion and tolerance. The headache chapter emphasizes Intro, while the book’s general guidance allows some people to begin with Full GAPS.[1][2]
The practical work is choosing meals that fit the phase you are following and noticing how particular preparations sit with you. A migraine does not create a new list that automatically removes every fermented food, every fat or every source of carbohydrate.
Choosing Intro or Full GAPS
The book specifically advises people with chronic constipation to begin with Full GAPS and consider Intro after the constipation resolves.[2]
The 2020 book recommends Intro at some stage for most people, but allows Full GAPS first when serious digestive symptoms are absent or practical circumstances make Intro difficult. It directs people with serious digestive symptoms through Intro and describes revisiting earlier stages when new foods bring those symptoms back.[2]
In the headache entry, Campbell-McBride reports fairly quick improvement for many patients on Intro and directs attention to liver support when headaches persist. That does not establish a fixed timetable or mean persistent pain should simply be ignored.[1]
The Intro-versus-Full comparison helps with that starting choice. Histamine and fat-digestion difficulties also need their own context; the official Intro guide notes that some people may need Full GAPS first or a tailored introduction.[3]
Pregnancy and nursing have separate GAPS starting guidance. The official Intro chart does not recommend Intro in those circumstances. The nursing FAQ describes a specific later-feeding exception, when the baby eats solids and breast milk is used for topping up. The Full GAPS and breastfeeding guide keeps that context together; a headache does not override it.[3][9]
Build Meals Around the Current Phase
| Part of the Meal | How It Fits |
|---|---|
| Fresh homemade meat stock | A foundation of Intro and the wider protocol. It is distinct from long-cooked bone broth. |
| Meat, fish and animal fats | Preparation follows the stage: boiled foods appear early; roasting and other preparations come later. |
| Vegetables | Early Intro uses well-cooked vegetables with fibrous parts removed. Raw plant foods are introduced later. |
| Fermented foods | The food, amount and pace depend on the introduction and the particular reaction history. |
| Fruit and nut-flour baking | These belong to their later stage or Full GAPS placement, with moderation and any individual restrictions. |
The book’s food and preparation chapters and the official phase guide provide these placements.[2][3][4] Use the GAPS food list for the full detail rather than turning this table into a substitute stage chart.
The 2020 preparation guidance keeps long-cooked bone broth out for at least the first year, longer for some people. Fresh meat stock is the initial preparation. A shorter cooking method does not by itself tell you whether a particular person will tolerate the result.[4]
The Histamine FAQ Has a Specific Watch List
In its histamine-intolerance answer, the official FAQ names alcohol, black tea, canned and smoked foods, leftovers, beans and lentils, fermented vegetables, mature cheeses, cocoa and nuts as foods to avoid initially. It favors fresh homemade food and explicitly includes freshly fermented yogurt and kefir among foods it considers suitable. It also favors Intro in that answer.[5]
That answer concerns histamine intolerance, not every headache. Some items on its list already have separate GAPS legality or phase rules. A watch list does not override those rules, and its statement about fresh cultured dairy is not a finding that your own symptoms cannot follow a particular dairy product. The histamine and food-freshness guide holds the wider discussion.
The Cheese and Tyramine Answer Is Different
A separate fermented-food FAQ discusses tyramine, the MAO enzyme and reactions such as migraine after natural cheese. It suggests a few weeks without fermented foods, using a commercial probiotic instead, before slowly introducing homemade yogurt, whey or sauerkraut from one teaspoon daily when digestion is much better.[6]
Those are two different answers for different situations. They should not be collapsed into “all ferments are always fine” or “everyone with migraine must stop them.” The ordinary Intro guide also gives its own small starting amounts for probiotic foods. Keep the food and the reason for an adjustment clear.[3][5][6]
A helpful note names the product, how it was prepared, the portion and the time symptoms began. That is more useful than writing only “histamine.” The headache-pattern guide gives you a simple way to record a change.
Magnesium and Fats in the GAPS Account
In the headache FAQ, Campbell-McBride attributes much high blood pressure to magnesium deficiency. Her separate leg-cramp answer connects magnesium metabolism with the whole diet and fat-soluble vitamins A, D, K and E, emphasizing animal fats and the removal of processed carbohydrates.[7]
This is her explanation for the dietary emphasis, not a blood-pressure or magnesium diagnosis based on a headache. It is not a supplement dose or a reason to change prescribed blood-pressure medicine. If readings or treatment are part of your history, keep those actual details with your food notes.
Keep the Ordinary GAPS Food Rules
The current food list still matters: refined sugar, grains and the specified starches are excluded from standard Full GAPS. Fresh or frozen meat and fish, appropriate fats, eggs, vegetables and tolerated fermented dairy form the wider food pattern. Fruit and nut-flour baking do not become unrestricted meal replacements. Dairy introduction and individual tolerances still apply.[2][8]
For practical preparation, my Stock Pot Course focuses on organizing the kitchen work around stock. It is one cooking skill within the wider diet. The dairy-introduction guide covers the separate dairy sequence.
Rest, Regular Meals and the Acute-Relief Discussion
The headache FAQ emphasizes enough sleep and daily time to do something relaxing. Keep those ordinary parts of the day in view alongside food, rather than trying to explain every headache through a single ingredient.[7]
The 2020 headache entry also recommends cleansing the bowel before a coffee enema and reports relief in its clinical account. The separately reviewed coffee-enema guide keeps the adult recommendations and source-defined limits together. This is a discussion of that account, not a home rectal-treatment procedure or an alternative to assessing a sudden or unusual headache.[1]
Start with one meal that already fits your current phase and one clear question about any recent change. The headache overview connects the food route with the source explanations, and the gut and liver guide explains the reasoning without making a symptom diary into a diagnosis.
References
- Campbell-McBride, N. Gut and Physiology Syndrome (2020), A–Z, Headaches.
- Campbell-McBride, N. Gut and Physiology Syndrome (2020), The GAPS Introduction Diet and Full GAPS Diet.
- GAPS Diet. Introduction Diet guide, Quick Facts and phase chart.
- Campbell-McBride, N. Gut and Physiology Syndrome (2020), What We Shall Eat and Why, meat stock and bone broth.
- Campbell-McBride, N. Official GAPS FAQs, Diet/Food, question 29, histamine intolerance.
- Campbell-McBride, N. Official GAPS FAQs, Fermented foods, question 12, tyramine and natural-cheese reactions.
- Campbell-McBride, N. Official GAPS FAQs, Headaches, question 1, and Leg cramps, question 1.
- GAPS Diet. Full GAPS Diet, food and preparation guidance.
- Campbell-McBride, N. Official GAPS FAQs, Breastfeeding, question 2.
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