“Your only job? Eat. Good. Food. The only way this will work is if you give it the full 30 days: no cheats, slips, or “special occasions.” You need such a small amount of any of these inflammatory foods to break the healing cycle—one bite of pizza, one splash of milk in your coffee, one lick of the spoon mixing the batter within the 30-day period and you’ve broken your health and healing “reset,” and have to start over again on Day 1.* You must commit to the full program, exactly as written, for the full 30 days. Anything less and we make no claims as to your results, or the chances of your success. Anything less and you are selling yourself—and your potential results—short. It’s only 30 days.”
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Melissa Hartwig,
The Whole30: The 30-Day Guide to Total Health and Food Freedom