The Perfect Health Lesson - Part three of a 1 hour lesson. "How to get your body to burn more fat than carbohydrate."

·18 min·1 clip

How can a handheld device that analyzes your breath reveal if your body is burning fat or carbohydrates in real time?

The episode is part three of a series called 'The Perfect Health Lesson' on the Longevity Builder show. The host opens by stating the show's mission to help listeners outsmart sickness, disease, and premature death. He transitions into the specific topic: how to get your body to burn more fat than carbohydrate. He references a previous mini-series created from an interview with Dr. Carl Lavey, a cardiologist and author of 'The Obesity Paradox.' The host summarizes Lavey's key finding that some overweight but physically fit individuals may have better cardiovascular outcomes than lean, unfit individuals, a phenomenon termed the obesity paradox. The host positions his 'Outsmart Classroom' online platform as a place where such complex research is converted into simple lessons. The core of the episode is dedicated to explaining a handheld metabolic analyzer. The host recounts his university experience in 1985 with a large, piano-sized metabolic analyzer that measured energy expenditure by analyzing exhaled air. He explains that the technology has now been miniaturized into a clinically validated pocket-sized device paired with a smartphone app. The device requires a user to breathe into it for 10 seconds. It analyzes the ratio of oxygen inhaled to carbon dioxide exhaled. An algorithm then produces a score from 1 to 5, indicating whether the body is primarily burning carbohydrates or fat at that moment. A score of 5 means high carbohydrate burning and low metabolic flexibility, while a score of 1 indicates almost exclusive fat burning. The host describes his personal routine of using the device multiple times daily—upon waking, before and after meals, and around physical activity—to get real-time feedback. The accompanying software provides dietary recommendations on macronutrient ratios and even suggests recipes based on the user's scores. The host emphasizes this provides unprecedented, lab-quality feedback outside a clinical setting. He mentions a social media group of over 55,000 users who discuss their experiences. To illustrate the technology's impact, the host introduces Maria, an early adopter and chief superintendent in the British police. He shares that she used the metabolic analyzer to lose 22.5 kilograms in seven months. He details her pre-existing health crises, including obesity, a second deep vein thrombosis, a severe ECG condition, perimenopausal stress, and eventual burnout that halted her career. The host promotes an exclusive five-part mini-series with Maria available on his platform. The episode concludes by teasing part four, titled 'The Magical Framework,' which will synthesize the lesson. The format is a solo monologue from the host, who is a health educator, weaving in promotional elements for his online courses.

As heard by us

A pocket breath analyzer makes metabolic fuel use feel measurable, while leaving some health-risk claims worth hearing carefully.

The third part of The Perfect Health Lesson gives a large metabolic question a practical focus: how breath can show whether the body is burning more fat than carbohydrate.

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Why you'd press play

You want to know what a 10-second breath test can suggest about how your body is using fat and carbohydrate.

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