Precision Ketogenic Therapy (PKT) is a dietary approach designed to treat seizures while providing essential nutrients for health. It contrasts significantly with a typical American diet in terms of the sources and metabolism of energy, focusing on high fat intake to promote ketone production as an energy source.

• Energy source differences: The typical American diet mainly derives energy from carbohydrates, with fat contributing about 34% of calories. PKT, however, derives up to 90% of calories from fat, emphasizing nutrient-rich fats such as olive oil, avocados, nuts, seeds and fatty fish. Both diets include protein but differ primarily in fat and carbohydrate ratios.

• Metabolic effects: Eating a carbohydrate-rich meal, raises blood glucose and results in low or negative ketone levels. In contrast, PKT uses fat as the primary energy source, producing ketones from fat intake (e.g., avocado), which serve as an alternative energy fuel. PKT stabilizes blood glucose levels throughout the day, potentially contributing to its efficacy in seizure treatment.

• Summary of energy utilization: Both glucose (from carbohydrate) and ketones (from fat) provide energy to the body. PKT results in lower glucose and higher ketone levels compared to a typical diet, with smaller glucose fluctuations after meals. This stable metabolic state may be an important factor in PKT’s effectiveness.

Frequently Asked Questions

What are the main differences between a typical American diet and the PKT diet?
The typical American diet gets most of its energy from carbohydrate, such as bread and pasta, with about 34% from fat. In contrast, the PKT diet significantly shifts the ratio, providing up to 90% of calories from fat, focusing on nutrient-rich sources like olive oil, avocados, and fatty fish.

How do metabolism and energy sources differ between the two diets?
On the typical American diet, the body uses glucose from carbohydrates as its main energy source, leading to higher and fluctuating blood glucose levels with low or negative ketone levels. With PKT, fat is the primary energy source, producing ketones, which results in more stable blood glucose and elevated ketones throughout the day.

Why might PKT be effective in treating seizures?
The stable metabolism and minimal changes in blood glucose associated with PKT may play an important role in its effectiveness for treating seizures, although this is not definitively known. Ketones also function in anti-inflammation processes which may reduce disease symptoms.

What foods are recommended on the PKT diet?
Recommended PKT foods include high-fat, nutrient-rich options such as olive oil, avocados, nuts, seeds, and fatty fish such as salmon, which are emphasized as primary fat sources.

How can readers access further information or support regarding PKT?
Readers are encouraged to contact Peggy R. Borum, Ph.D. via email (prb@ufl.edu) for questions.