Capsaicin, the active compound in cayenne, activates TRPV1 receptors, ramping up body heat and brown fat activity—the "good" fat that burns calories to generate warmth. Research from the Journal of Nutritional Biochemistry (2025) indicates 2-6mg daily can boost resting metabolic rate by 50 calories, with cumulative effects over time. In Nuvia, it's balanced to avoid digestive upset,...