Diet comparisons
How keto compares with the diets people most often weigh it against.
Comparisons
Keto vs Low Carb: Which Carb Limit Is Right for You?
Keto caps carbs at about 20–50 g to reach ketosis; low carb usually allows 50–130 g. How results, flexibility and tracking compare.
Keto vs Carnivore: Plants, Fibre and Flexibility Compared
Carnivore removes all plants; keto keeps low-carb vegetables, nuts and berries. Nutrients, fibre, sustainability and who each suits.
Keto vs Paleo: Macros vs Food Quality
Keto is defined by macros; paleo by food type. Which foods each allows, which overlap, and how to combine them.
Keto vs Atkins: Phases, Protein and Carb Reintroduction
Atkins starts like keto then reintroduces carbs in phases. Protein limits, net carbs, branded products and long-term structure compared.
Keto vs Mediterranean Diet: Evidence, Food and Sustainability
The Mediterranean diet has the strongest long-term evidence; keto works faster for some goals. Foods, research and a "Mediterranean keto" hybrid.
Keto vs a Calorie Deficit: Do You Still Need to Count?
Keto does not override energy balance, but it can make a deficit easier through appetite. When counting calories on keto is worth it.
Clean Keto vs Dirty Keto: Does Food Quality Matter?
Dirty keto hits the macros with processed and fast food; clean keto uses whole foods. Effects on nutrients, hunger and results.
Carb limits at a glance
| Diet | Typical daily carbs | What it removes |
|---|---|---|
| Keto | 20–50 g net | Sugar, grains, starchy vegetables, most fruit |
| Low carb | 50–130 g | Sugar and most refined starch |
| Atkins | 20 g net at first, rising in phases | Sugar and starch at first, some reintroduced later |
| Carnivore | Close to 0 g | All plant foods |
| Paleo | No set limit | Grains, legumes, dairy, processed foods |
| Mediterranean | No set limit (often about half of energy) | Mainly ultra-processed foods. Olive oil, fish, vegetables and legumes are central |
| Calorie deficit | No set limit | Nothing in particular. Total energy is what counts |
Keto is the only one of these that aims to keep you in ketosis. That is why its carb limit is the lowest of the plant-inclusive diets. If you are choosing between them, the best diet is usually the one you can keep up, so compare what you would actually eat in a normal week.
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