A ketogenic diet greatly restricts carbohydrate intake and changes how the body uses fuel. It is different from simply choosing fewer sweetened drinks or adding vegetables to meals.
Separate early changes from lasting outcomes
Early weight changes can include shifts in fluid and stored carbohydrate. They should not be described as proof of rapid body-fat loss. Ketosis also does not guarantee stable energy, improved inflammation or a suitable long-term diet.
Consider the food pattern
Restricting grains, legumes and many fruits can make variety and fibre intake more difficult. The types of fat and protein used matter too. A diet’s name alone does not establish its nutritional quality.
Get advice when circumstances require it
Diabetes, medicines, pregnancy and other health conditions can make a major carbohydrate restriction unsafe or unsuitable. Therapeutic ketogenic diets used for particular medical conditions require specialist care. Do not treat a general article as such a prescription.
Source: American Heart Association: popular dietary patterns and heart-health guidance.
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