Caffeine can increase fat oxidation, but there are more effective ways to change your body composition
‘When you talk about ‘burning fat’, you’re talking about the oxidation of body fat; the breakdown of lipids into fatty acids to use them as fuel,” says Bethan Crouse, a performance nutritionist from Loughborough University. It’s the process that needs to occur for someone to lose weight or go through “body recomposition”; losing fat and gaining muscle.
Regular exercise can increase rates of fat oxidation, Crouse says. (When we work out at low-moderate intensity, fat provides the majority of the fuel for working muscles. As intensity increases, this will shift more towards carbohydrates.) However, she says, “There’s not necessarily a food that burns fat.” For a food to oxidise fat, consuming it would have to “replicate the effects of exercise”.
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