Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Robusta coffee (Coffea canephora) is sometimes used to support fat metabolism, primarily due to its caffeine content, which is higher than that of Arabica coffee. Caffeine has been shown in several studies to increase thermogenesis and fat oxidation in humans, suggesting a potential role in enhancing metabolic rate and supporting fat metabolism. For example, a review published in Obesity Reviews (2011) found that caffeine intake can increase energy expenditure and promote fat oxidation in both lean and obese individuals. Additionally, randomized controlled trials have demonstrated that caffeine consumption can lead to modest short-term increases in metabolic rate and fat burning, especially when combined with physical activity.

However, while these effects are scientifically validated for caffeine in general, there is limited direct evidence specifically examining Robusta coffee as a unique intervention for poor fat metabolism. Most of the available evidence is extrapolated from studies on caffeine rather than on Robusta coffee itself. Moreover, the magnitude of the effect is relatively modest and may not translate into significant clinical outcomes for weight loss or metabolic improvement in the long term.

Overall, while there is scientific rationale and some evidence to support the use of caffeinated products like Robusta coffee for modest improvements in fat metabolism, the evidence is not robust, and direct studies on Robusta coffee are lacking. Thus, the evidence rating is 2 out of 5.

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