Juicing enters the GAPS Introduction Diet at Stage 4 with a few spoonfuls of clear, well-filtered carrot juice. Fruit is added at Stage 5 after the vegetable base is tolerated. The broader juice combinations and ratios in the detox chapter should not be used to skip that sequence.[1][2]
In our house, the Garfield Drink is the family name for apples, carrots, and filtered water, juiced in the Ninja. The kids ask for it or make their own juice. That family habit sits alongside an important detail: our fourth-born reacted to raw apples and fresh apple juice, while homemade applesauce did not cause a reaction. One familiar drink is not automatically the right fit for every child.

The Stage 4 and Stage 5 Sequence
| Stage | What the 2020 Book Describes |
|---|---|
| Stage 4 | Begin with a few spoonfuls of clear, filtered carrot juice. Drink slowly, diluted with warm water or mixed with homemade yogurt if appropriate. Increase to a full cup a day if tolerated. Only after that cup is well tolerated does the passage add celery, lettuce, and fresh mint. |
| Stage 5 | Once the vegetable base is tolerated, add apple, pineapple, or mango. The passage says to avoid citrus at this stage. |
The Stage 5 wording in the 2020 book has no lemon exception. Lemon appears in later Full GAPS and broader juicing passages, but that does not make those passages an exception to Stage 5. Keep the stage-specific list with the stage you are following.[2]
The book’s Stage 4 “few spoonfuls” and its general detox-chapter “few tablespoons per day” are separate instructions. The first is the initial stage sequence. The second describes introducing juice more generally and building slowly toward two glasses a day. Neither passage defines the size of every household glass.[1][2]
Why the Book Uses Fresh Juice
Campbell-McBride describes juice as a way to concentrate nutrients while removing much of the fiber. Her carrot example explains the idea: a glass may contain juice extracted from an amount of carrots that would be difficult to eat at once. She gives a 20-to-25-minute absorption description and attributes cleansing effects to different combinations.[1]
Those are the book’s explanations, not a way to measure how much a particular glass has cleansed a liver or kidney. The useful preparation details are the permitted ingredients, clear filtering where the stage calls for it, gradual amounts, and timing.
The Broader Combinations and Ratio
In its general juicing discussion, the book names pineapple, cabbage, carrot, and a little beetroot for digestive preparation; carrot, apple, celery, greens, and beetroot for its liver-cleansing account; and cabbage, apple, and celery for its digestive-enzyme and kidney-cleansing account. It also discusses leafy greens with tomato and lemon. These are source examples, not separate measured recipes or early-Intro food permissions.[1]
For taste, the author suggests about half vegetable or “therapeutic” ingredients and half sweeter ingredients. Beetroot is limited to no more than 5% of the full mixture. The chapter does not specify a weight-versus-volume calculation for that general 50/50 suggestion, so it should not be turned into a more exact measurement than the source provides.[1]
The wider sweeter-fruit list includes fruits such as orange and grapefruit. Keep that list in the later or Full GAPS context where those foods fit. Stage 5 still uses its own narrower list.
Timing and Amounts
The detox chapter places juice on an empty stomach, 20 to 25 minutes before food or 2 to 2½ hours after a meal. It describes starting with a few tablespoons diluted with water and increasing slowly according to tolerance toward two glasses a day.[1]
Juice supplements the diet in this account; it does not replace meals or all whole fruit and vegetables when those are tolerated. The book warns against prolonged juice-only eating. Keep the protein, fats, and other foods in the GAPS plan rather than turning this into a juice fast.[1]
Fresh Does Not Mean Contamination-Free
GAPS prefers freshly prepared juice. That preference should not become a claim that pasteurized juice has no nutrition or that organic, homemade juice cannot contain germs. FDA explains that untreated juice can carry pathogens and that treatment reduces that risk.[1][3]
Wash produce and equipment, and do not assume washing eliminates every pathogen. Untreated juice requires particular care for children, pregnant people, older adults, and people with weakened immune systems. Keep that preparation question separate from the book’s preference for freshness.[3]
Where the GAPS Shake Fits
The book also describes adding egg and fat, such as homemade sour cream or coconut oil, to juice. It connects this GAPS shake with nourishment and its bile-flow explanation. The shake is a different preparation from plain juice, so keep the book’s juice and shake instructions distinct.[1]
The book’s egg-tolerance discussion is not a home allergy challenge. A diagnosed or suspected egg allergy needs an individual plan, and lack of anaphylaxis does not by itself establish safety. Its bile-stone claims should not be used to self-treat suspected gallbladder disease.[5][6]
Read the Elderberry Passage Carefully
The 2020 chapter includes ripe black elderberries that are frozen and later added to raw juice. Freezing is not cooking. NCCIH identifies cyanide-producing compounds in raw or unripe elderberries and other parts of the plant, and describes cooking as the relevant preparation step.[1][4]
Do not treat ripe color, freezing, or an overnight thaw as proof that raw elderberries are safe to juice. Use a properly prepared, food-safe elderberry product or verified recipe. The book’s traditional-use discussion also does not establish that raw flowers or homemade teas should be used as eye or wound treatments.[4]
Our Family’s Juice Routine
Our children know the Garfield Drink by name. The practical routine uses the Ninja juicer, then filtered water with the juice.
The apple reaction in our fourth-born is a useful reminder to keep the actual child’s response in the story. Cooked apple was different for her from raw apple and fresh apple juice. Those differences matter when choosing what to offer, even if the rest of the family enjoys the drink.
Keep the Juice Guidance Together
Juices & GAPS Milkshakes and the Drinks Cookbook are listed in the catalog.
Your Next Step
Keep your current stage, the ingredients already tolerated, and the amount you are introducing together in your notes. For the place of juicing within the wider chapter, return to the detoxification overview.
References
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “Detoxification for People with Gut and Physiology Syndrome,” “5. Juicing”.
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “The GAPS Introduction Diet,” Fourth and Fifth Stages.
- FDA. What You Need to Know About Juice Safety.
- National Center for Complementary and Integrative Health. Elderberry.
- National Institute of Allergy and Infectious Diseases. Guidelines for the Diagnosis and Management of Food Allergy: Executive Summary.
- NIDDK. Symptoms and Causes of Gallstones.


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