How do you get rid of keto flu?

You can ease keto flu by drinking enough water, replacing electrolytes like sodium, potassium and magnesium, eating enough food rather than crash-dieting, resting, and easing into low-carb eating gradually. Most people improve within days using these steps.

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Electrolyte-supporting items including water, sea salt, leafy greens and avocado on a neutral surface

Practical Ways to Ease Keto Flu

Keto flu is largely about hydration, electrolytes and adaptation, so the most effective fixes target those directly. None of this is complicated, and small adjustments often bring quick relief.

Hydrate and replace electrolytes

Drink water consistently through the day. Because low-carb eating increases sodium loss, adding a little extra salt to food or sipping a broth can help. Potassium-rich foods (leafy greens, avocado) and magnesium (nuts, seeds, leafy greens) support the balance too. Many people find electrolytes are the single biggest lever.

Eat enough and rest

Cutting carbs and calories hard at the same time worsens symptoms. Make sure you are eating adequate protein and fat, and give yourself extra rest during the first days. To avoid under-eating, you can check your calorie and macro targets and use them as a floor.

Ease in if needed

If symptoms are rough, a slightly more gradual reduction in carbohydrate can smooth the transition rather than an instant drop to very low intake. Light activity like walking may also help some people.

Safety note: Adding sodium and electrolytes is not appropriate for everyone, particularly people with high blood pressure, kidney disease or heart conditions, or those on certain medications. Get individual medical advice before increasing salt or supplements.

With hydration, electrolytes and enough food, keto flu usually resolves quickly. For more early-adjustment help, you can explore the keto FAQ.