GAPS excludes soda, cordials and other soft drinks. It also distinguishes freshly pressed juice from ordinary commercial juice and explicitly allows plain seltzer in the official FAQ. Knowing those differences gives you useful choices without having to guess from a drink’s front label.[1][2]
Before GAPS, our family drank Gatorade and ate a lot of sugar and processed carbohydrates. That is part of our family’s starting point. These days, our juicing guide includes the Garfield Drink story alongside the book’s juice sequence. Changing the default drink was one part of the wider changes in our house.
Sugar and Additives in Soft Drinks
In Gut and Physiology Syndrome, Dr. Natasha Campbell-McBride describes soft drinks as a major source of sugar and chemical additives. Her example says a can of soda can contain 5–10 teaspoons of sugar. It is a range used in the 2020 book, not the measured sugar content of every can sold today.[1]
The book connects sugar and processed carbohydrate consumption with changes in blood glucose, mood, concentration and behavior. Those are the author’s reasons for removing sugary drinks as a category. A particular drink’s actual ingredients and nutrition label answer the product-specific question.[1]
What the Book Says About Juice
Campbell-McBride recommends freshly pressed fruit and vegetable juice and discusses its role in detoxification and liver support. She advises having a good juicer at home. The beverage chapter does not recommend ordinary commercial juice, describing concerns about pasteurization, processed sugars, added substances and molds or fungi.[3]
There is a specific exception in that same passage: commercially available juice that has actually been freshly pressed. It would be inaccurate to rewrite this as “only juice made inside your own home is ever allowed.” The preparation, ingredients and stage still matter. A bottle saying “100 percent juice” does not, by itself, answer whether the juice was freshly pressed or processed afterward.[3]
For a useful shop or café question, ask when the juice was pressed and whether it has been pasteurized, sweetened or mixed with other ingredients. For home use, our GAPS juicing guide explains the sequence and the family drinks we actually make.
Fresh Juice Has Its Own Intro Sequence
Fresh juice is not a Stage 1 replacement for soda. The 2020 Intro instructions begin juicing at Stage 4 with a few spoonfuls of carrot juice. Fruit is added later, at Stage 5, to an established vegetable-juice mixture. Starting with those small amounts is different from replacing a daily soft drink with a large glass of juice on the first day of Intro.[4]
Use the Stage 4 guide and Stage 5 guide when juice is the new food you are introducing. The beverage guide keeps the earlier and later drink choices together.
Why Diet Soda Is Also Excluded
Removing sugar does not make a soft drink fit the book’s guidance. Campbell-McBride also excludes artificial sweeteners. She names aspartame in particular and describes concerns about carcinogenic and neurotoxic effects, including its connection with multiple sclerosis in the research she discusses. That is the 2020 book’s explanation for excluding it, rather than a new claim that every diet drink has the same composition.[1]
Read the ingredients rather than treating “diet,” “zero” or “sugar-free” as a GAPS permission. The food rule covers the sweetener and the rest of the drink, not only the grams of sugar.
What to Keep Ready Instead
| Drink | Where to Check Its Use |
|---|---|
| Filtered Water or Still Mineral Water | The book’s everyday water guidance. |
| Plain Seltzer | Explicitly allowed in the official FAQ; check that it is plain. |
| Warm Homemade Meat or Fish Stock | The stock and Intro instructions, including the distinction from bone broth. |
| Freshly Pressed Juice | The Intro juice sequence or the Full GAPS beverage guidance. |
| Tea and Coffee | Weak, freshly made tea or coffee without milk for adults; the book separately describes single-herb teas. |
The book recommends filtered or bottled mineral water rather than unfiltered tap water. It starts the day with still mineral or filtered water and recommends warm stock with meals, explaining that too much water with meals may interfere with digestion. Warm beverages are its mealtime preference.[3]
For outings, keep water available and decide which other drink fits your current phase. Have the ingredients and equipment ready for fresh juice when you need it, rather than interpreting “freshly pressed” as a large batch stored for days.
Frequently Asked Questions
Is Plain Carbonated Water Allowed?
Yes. The official FAQ answers this directly. Plain seltzer is different from a soft drink with sweeteners, syrups or other added ingredients.[2]
Does “100 Percent Juice” Establish That It Fits?
No. That phrase does not tell you when the juice was pressed or whether it was pasteurized afterward. The book’s freshly pressed distinction is more specific than the fruit percentage on a label.[3]
Can Fresh Juice Be Introduced on Day One of Intro?
The 2020 book begins fresh carrot juice at Stage 4 and adds fruit later. Use the actual stage instructions rather than treating every Full GAPS drink as an early-Intro drink.[4]
Your Next Step
Choose the everyday drink you want available at home and on your next outing. Use the beverage guide for the wider choices. Our Juices & GAPS Milkshakes course and Drinks Cookbook are listed in the WFLI Shop.
References
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “No Processed Foods, Please!” and “Sugar and Anything Made With It,” blood-glucose discussion, soft drinks, sugar and artificial sweeteners.
- Dr. Natasha Campbell-McBride’s official FAQs, Diet/Food, Question 38, plain carbonated water.
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “Beverages,” water, stock, adult tea and coffee, fresh juice and the commercial freshly pressed exception.
- Campbell-McBride, Natasha. Gut and Physiology Syndrome (2020), “Implementing the GAPS Introduction Diet,” Stages 4 and 5, juicing sequence.
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