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Published Feb 5, 2025

How to Boost Your Metabolism & Burn Fat

Andy Galpin delves into methods to boost metabolism and burn fat, detailing how various exercise strategies, dietary choices, and understanding Resting Metabolic Rate (RMR) can optimize energy expenditure and support weight management.
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  • Protein Strategy

    Protein plays a crucial role in enhancing metabolism and supporting fat loss due to its thermal effect and satiety benefits. explains that increasing the percentage of calories from protein, rather than just increasing protein intake, can lead to a higher caloric expenditure without increasing total caloric intake 1. This approach not only boosts the thermal effect of food but also reduces overall calorie consumption due to protein's satiating properties 2.

    Even if I held your calories constant and I up that percentage of protein, the research is going to indicate likely you will spontaneously reduce your caloric intake by 3 to 500 calories.

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    This strategy can make it feel like your metabolism has sped up, as you consume fewer calories while maintaining satiety.

       

    Spicy Foods

    Spicy foods can marginally increase metabolism by boosting resting metabolic rate and the thermal effect of food. notes that spices like chili peppers and ginger can activate beta-adrenergic responses, giving a small adrenaline boost that increases metabolic rate 3. However, the practical impact is minimal, often amounting to just a few calories burned 4.

    Technically, does it increase metabolic rate? Yes. Does it do it to a level that you really care? Not really sure.

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    While spicy foods can add flavor without calories, their effect on metabolism is more about enhancing dietary enjoyment than significantly boosting calorie burn.

       

    Thermal Effect

    The thermal effect of food (TEF) varies with macronutrient composition, influencing metabolism and energy absorption. highlights that protein has the highest thermal effect, burning 15-30% of its calories during digestion, compared to carbohydrates and fats 5. This means consuming more protein can lead to a lower net caloric intake, aiding in weight management and altering body composition 6.

    You can increase your metabolism...by eating more protein, because you're going to actually be eating the same amount of calories as your friend, but the net result of calories you keep on board is much lower.

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    Understanding TEF helps in designing diets that optimize calorie burn and support metabolic health.

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