People following ketogenic diets experience the same level of anxiety symptoms as those who do not follow such diets, based on results from controlled studies.
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Ketogenic diets have no effect on anxiety symptoms in controlled trials.
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Changing what you eat alters the bacteria in your gut, which change the chemicals they produce. These chemicals enter the bloodstream, cross into the brain, and change how brain cells communicate in areas that control anxiety, leading to increased anxiety-like responses.
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